diff --git a/.envrc b/.envrc
index 3b03789..f1d1681 100644
--- a/.envrc
+++ b/.envrc
@@ -1,4 +1,9 @@
 # shellcheck disable=SC1090
-source "$(fetchurl "https://raw.githubusercontent.com/paisano-nix/direnv/main/lib" "sha256-R3K8Flvbovj4IOvdlWNtQKLMMSQV464WjG9eU29ixHk=")"
+watch_file flakes.nix flake.lock
+watch_file local/flake.nix local/flake.lock
+# shellcheck disable=SC1090
+source "$(fetchurl "https://raw.githubusercontent.com/gtrunsec/direnv/main/lib" "sha256-tuMA8WGkwcYq9V3MtlN6xdVvKd2YkdEpdK4ZyAN6VDM=")"
+
+registry="$PRJ_ROOT/nix/std#__std"
 
 use envreload //julia2nix/devshells/default
diff --git a/.github/workflows/nightly.yaml b/.github/workflows/nightly.yaml
index 5773c7c..a480bf7 100644
--- a/.github/workflows/nightly.yaml
+++ b/.github/workflows/nightly.yaml
@@ -11,25 +11,22 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3.5.3
-    - uses: nixbuild/nix-quick-install-action@v21
-      with:
-        nix_conf: |
-          experimental-features = nix-command flakes
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: actions/checkout@main
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
 
-    - uses: cachix/cachix-action@v12
-      with:
-        name: zeek
+      - name: Julia Version Update
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          git config user.name 'github-actions[bot]'
+          git config user.email 'github-actions[bot]@users.noreply.github.com'
+          nix develop .#update --command nvfetcher-update
 
-    - name: Julia Version Update
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      run: |
-        nix develop .#update --command nvfetcher-update
-
-    - name: Commit changes
-      if: ${{ env.COMMIT_MSG != null }}
-      uses: stefanzweifel/git-auto-commit-action@v4
-      with:
-        commit_message: ${{ env.COMMIT_MSG }}
+      - name: "Create Pull Request"
+        uses: "peter-evans/create-pull-request@v5"
+        with:
+          branch: "auto_update_nightly"
+          title: "Update nightly versions"
+          body: |
+            Automatically updated the nightly version
diff --git a/.github/workflows/nix-darwin.yaml b/.github/workflows/nix-darwin.yaml
index 3d8417f..e4c28ab 100644
--- a/.github/workflows/nix-darwin.yaml
+++ b/.github/workflows/nix-darwin.yaml
@@ -11,13 +11,9 @@ jobs:
 
     runs-on: macOS-latest
     steps:
-    - uses: actions/checkout@v3.5.3
-
-    - uses: nixbuild/nix-quick-install-action@v21
-      with:
-        nix_conf: |
-          experimental-features = nix-command flakes
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+    - uses: actions/checkout@main
+    - uses: DeterminateSystems/nix-installer-action@main
+    - uses: DeterminateSystems/magic-nix-cache-action@main
 
     - name: Init julia2nix.jl with nix develop
       run: |
diff --git a/.github/workflows/nix-linux.yaml b/.github/workflows/nix-linux.yaml
index fb371ec..f1b81f0 100644
--- a/.github/workflows/nix-linux.yaml
+++ b/.github/workflows/nix-linux.yaml
@@ -9,16 +9,9 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3.5.3
-    - uses: nixbuild/nix-quick-install-action@v21
-      with:
-        nix_conf: |
-          experimental-features = nix-command flakes
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-
-    - uses: cachix/cachix-action@v12
-      with:
-        name: zeek
+    - uses: actions/checkout@main
+    - uses: DeterminateSystems/nix-installer-action@main
+    - uses: DeterminateSystems/magic-nix-cache-action@main
 
     - name: Nix Flake Show
       run: nix flake show
@@ -30,7 +23,7 @@ jobs:
       run: nix develop --show-trace --command -- init
 
     - name: Build JuliaDoc
-      run: nix run -Lv .#x86_64-linux.julia2nix.entrypoints.mkdoc docs
+      run: nix run -Lv ./nix/std#x86_64-linux.julia2nix.entrypoints.mkdoc docs
 
     - name: Check Template Shells
       run: |
@@ -52,9 +45,9 @@ jobs:
       run: |
         nix -Lv develop --command buildProject
 
-    - name: Build jlrs -> call_julia
-      run: |
-        nix develop ./templates/jlrs --override-input julia2nix ./. --show-trace --command -- call-julia
+    # - name: Build jlrs -> call_julia
+    #   run: |
+    #     nix develop ./templates/jlrs --override-input julia2nix ./. --show-trace --command -- call-julia
 
     - name: Deploy
       uses: JamesIves/github-pages-deploy-action@v4.4.2
diff --git a/flake.lock b/flake.lock
index 3f934fb..2c4ee74 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,694 +1,27 @@
 {
   "nodes": {
-    "POP": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "nixlib": "nixlib",
-        "nixpkgs": "nixpkgs_2"
-      },
-      "locked": {
-        "lastModified": 1655410953,
-        "narHash": "sha256-Er0zdhu7QwpWvVKfauqZqTnxDz6THTWOTVWLoz+Opmw=",
-        "owner": "divnix",
-        "repo": "POP",
-        "rev": "8babe4c9126298d05ebb5ab04727d741b51c022e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "POP",
-        "type": "github"
-      }
-    },
-    "blank": {
-      "locked": {
-        "lastModified": 1625557891,
-        "narHash": "sha256-O8/MWsPBGhhyPoPLHZAuoZiiHo9q6FLlEeIDEXuj6T4=",
-        "owner": "divnix",
-        "repo": "blank",
-        "rev": "5a5d2684073d9f563072ed07c871d577a6c614a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "blank",
-        "type": "github"
-      }
-    },
-    "cortex": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1643528409,
-        "narHash": "sha256-ldmenmCzCEuuBlMtaQYe79vYbcTORgkCXgYgGkOzkL8=",
-        "owner": "gtrunsec",
-        "repo": "cortex",
-        "rev": "ad9a963534e5be323a33eaf0f9aa3e914cca8093",
-        "type": "github"
-      },
-      "original": {
-        "owner": "gtrunsec",
-        "repo": "cortex",
-        "type": "github"
-      }
-    },
-    "crane": {
-      "inputs": {
-        "flake-compat": "flake-compat_3",
-        "flake-utils": "flake-utils_4",
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "paisano-mdbook-preprocessor",
-          "nixpkgs"
-        ],
-        "rust-overlay": "rust-overlay"
-      },
-      "locked": {
-        "lastModified": 1676162383,
-        "narHash": "sha256-krUCKdz7ebHlFYm/A7IbKDnj2ZmMMm3yIEQcooqm7+E=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "6fb400ec631b22ccdbc7090b38207f7fb5cfb5f2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "devshell": {
-      "inputs": {
-        "flake-utils": [
-          "std-ext",
-          "std",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1682700442,
-        "narHash": "sha256-qjaAAcCYgp1pBBG7mY9z95ODUBZMtUpf0Qp3Gt/Wha0=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "fb6673fe9fe4409e3f43ca86968261e970918a83",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "dmerge": {
-      "inputs": {
-        "haumea": [
-          "std-ext",
-          "flops",
-          "haumea"
-        ],
-        "namaka": [
-          "std-ext",
-          "flops",
-          "namaka"
-        ],
-        "nixlib": "nixlib_2",
-        "yants": "yants"
-      },
-      "locked": {
-        "lastModified": 1684239705,
-        "narHash": "sha256-goQcIld5PfRlIfC3atNLzLqnOHaMh9m4yoyykraDNlM=",
-        "owner": "divnix",
-        "repo": "dmerge",
-        "rev": "a740c5632789ff872a54a5b6595ef07287ff273e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "dmerge",
-        "type": "github"
-      }
-    },
-    "dmerge_2": {
-      "inputs": {
-        "haumea": "haumea_2",
-        "namaka": "namaka_2",
-        "nixlib": [
-          "std-ext",
-          "std",
-          "nixpkgs"
-        ],
-        "yants": [
-          "std-ext",
-          "std",
-          "yants"
-        ]
-      },
-      "locked": {
-        "lastModified": 1684178600,
-        "narHash": "sha256-EtSQcCHRQUBBEj4vbYU0vgPUYiKP261ero5k1QfQ3Bc=",
-        "owner": "divnix",
-        "repo": "dmerge",
-        "rev": "ac9932f26325afac5baa59cf6478432d17762a4e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "ref": "0.2.0",
-        "repo": "dmerge",
-        "type": "github"
-      }
-    },
-    "emacs-overlay": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_6"
-      },
-      "locked": {
-        "lastModified": 1676258056,
-        "narHash": "sha256-LhXVnPc+IPHupy7QexUrzYuloSGXvXEgvIkAlhFs+yY=",
-        "owner": "nix-community",
-        "repo": "emacs-overlay",
-        "rev": "09ebba158540ba3171b5f319b71427b51db8794b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "emacs-overlay",
-        "type": "github"
-      }
-    },
-    "fenix": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_7",
-        "rust-analyzer-src": "rust-analyzer-src"
-      },
-      "locked": {
-        "lastModified": 1677306201,
-        "narHash": "sha256-VZ9x7qdTosFvVsrpgFHrtYfT6PU3yMIs7NRYn9ELapI=",
-        "owner": "nix-community",
-        "repo": "fenix",
-        "rev": "0923f0c162f65ae40261ec940406049726cfeab4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "fenix",
-        "type": "github"
-      }
-    },
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1650374568,
-        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-compat_2": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-compat_3": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_2": {
-      "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_3": {
-      "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_4": {
-      "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flops": {
-      "inputs": {
-        "POP": "POP",
-        "dmerge": "dmerge",
-        "haumea": "haumea",
-        "namaka": "namaka",
-        "nixlib": "nixlib_3",
-        "yants": "yants_2"
-      },
-      "locked": {
-        "lastModified": 1685155146,
-        "narHash": "sha256-VByJ7DGoYz+m2CMkbAo4ABR1UJ/HM8wy/43FJMek5Kk=",
-        "owner": "gtrunsec",
-        "repo": "flops",
-        "rev": "b7a140cc87c4e8c1cda484f7ccba6af80dafd448",
-        "type": "github"
-      },
-      "original": {
-        "owner": "gtrunsec",
-        "repo": "flops",
-        "type": "github"
-      }
-    },
-    "haumea": {
-      "inputs": {
-        "nixpkgs": [
-          "std-ext",
-          "flops",
-          "nixlib"
-        ]
-      },
-      "locked": {
-        "lastModified": 1685133574,
-        "narHash": "sha256-BH/utyzbdD74772wQ2JUf0QP9hw8vz8QhjLAt/W5NhU=",
-        "owner": "nix-community",
-        "repo": "haumea",
-        "rev": "214d73d9d5c44f92b6401af688c2688448768e23",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "haumea",
-        "type": "github"
-      }
-    },
-    "haumea_2": {
-      "inputs": {
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "dmerge",
-          "nixlib"
-        ]
-      },
-      "locked": {
-        "lastModified": 1681176209,
-        "narHash": "sha256-bJLDun6esIyWtwRVXcsgzGbh4UKu8wJDrPgykqPyzmg=",
-        "owner": "nix-community",
-        "repo": "haumea",
-        "rev": "b915b66b27da3a595d77b139e945bb0a2fcac926",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "haumea",
-        "type": "github"
-      }
-    },
-    "incl": {
-      "inputs": {
-        "nixlib": [
-          "std-ext",
-          "std",
-          "nixpkgs"
-        ]
-      },
+    "call-flake": {
       "locked": {
-        "lastModified": 1669263024,
-        "narHash": "sha256-E/+23NKtxAqYG/0ydYgxlgarKnxmDbg6rCMWnOBqn9Q=",
+        "lastModified": 1698542398,
+        "narHash": "sha256-bmhE1TmrJG4ba93l9WQTLuYM53kwGQAjYHRvHOeuxWU=",
         "owner": "divnix",
-        "repo": "incl",
-        "rev": "ce7bebaee048e4cd7ebdb4cee7885e00c4e2abca",
+        "repo": "call-flake",
+        "rev": "4c92816c2ba27a91f8252a9305a14173e1293571",
         "type": "github"
       },
       "original": {
         "owner": "divnix",
-        "repo": "incl",
-        "type": "github"
-      }
-    },
-    "n2c": {
-      "inputs": {
-        "flake-utils": [
-          "std-ext",
-          "std",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1677330646,
-        "narHash": "sha256-hUYCwJneMjnxTvj30Fjow6UMJUITqHlpUGpXMPXUJsU=",
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "rev": "ebca8f58d450cae1a19c07701a5a8ae40afc9efc",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "type": "github"
-      }
-    },
-    "namaka": {
-      "inputs": {
-        "haumea": [
-          "std-ext",
-          "flops",
-          "haumea"
-        ],
-        "nixpkgs": "nixpkgs_3"
-      },
-      "locked": {
-        "lastModified": 1683059428,
-        "narHash": "sha256-ZTMqleCWmuNWhZE375gtF1j1JRkaKEUFN1AM43e7h4Y=",
-        "owner": "nix-community",
-        "repo": "namaka",
-        "rev": "2deba2f416454aec770bc1cc7365e39c73e6b1d7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "ref": "v0.1.1",
-        "repo": "namaka",
-        "type": "github"
-      }
-    },
-    "namaka_2": {
-      "inputs": {
-        "haumea": [
-          "std-ext",
-          "std",
-          "dmerge",
-          "haumea"
-        ],
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "dmerge",
-          "nixlib"
-        ]
-      },
-      "locked": {
-        "lastModified": 1683059428,
-        "narHash": "sha256-ZTMqleCWmuNWhZE375gtF1j1JRkaKEUFN1AM43e7h4Y=",
-        "owner": "nix-community",
-        "repo": "namaka",
-        "rev": "2deba2f416454aec770bc1cc7365e39c73e6b1d7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "ref": "v0.1.1",
-        "repo": "namaka",
-        "type": "github"
-      }
-    },
-    "nix-filter": {
-      "locked": {
-        "lastModified": 1666547822,
-        "narHash": "sha256-razwnAybPHyoAyhkKCwXdxihIqJi1G6e1XP4FQOJTEs=",
-        "owner": "numtide",
-        "repo": "nix-filter",
-        "rev": "1a3b735e13e90a8d2fd5629f2f8363bd7ffbbec7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "nix-filter",
-        "type": "github"
-      }
-    },
-    "nix-filter_2": {
-      "locked": {
-        "lastModified": 1666547822,
-        "narHash": "sha256-razwnAybPHyoAyhkKCwXdxihIqJi1G6e1XP4FQOJTEs=",
-        "owner": "numtide",
-        "repo": "nix-filter",
-        "rev": "1a3b735e13e90a8d2fd5629f2f8363bd7ffbbec7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "nix-filter",
-        "type": "github"
-      }
-    },
-    "nixago": {
-      "inputs": {
-        "flake-utils": [
-          "std-ext",
-          "std",
-          "flake-utils"
-        ],
-        "nixago-exts": [
-          "std-ext",
-          "std",
-          "blank"
-        ],
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1683210100,
-        "narHash": "sha256-bhGDOlkWtlhVECpoOog4fWiFJmLCpVEg09a40aTjCbw=",
-        "owner": "nix-community",
-        "repo": "nixago",
-        "rev": "1da60ad9412135f9ed7a004669fdcf3d378ec630",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixago",
-        "type": "github"
-      }
-    },
-    "nixlib": {
-      "locked": {
-        "lastModified": 1653180592,
-        "narHash": "sha256-sVGwmxTj7CY1D4ioy7E+iJE+1/yHqQlxjnTpar3ap/E=",
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "rev": "42c5f5785b70cd64b4afd830dc31d0b08461abd5",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "type": "github"
-      }
-    },
-    "nixlib_2": {
-      "locked": {
-        "lastModified": 1681001314,
-        "narHash": "sha256-5sDnCLdrKZqxLPK4KA8+f4A3YKO/u6ElpMILvX0g72c=",
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "rev": "367c0e1086a4eb4502b24d872cea2c7acdd557f4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "type": "github"
-      }
-    },
-    "nixlib_3": {
-      "locked": {
-        "lastModified": 1681001314,
-        "narHash": "sha256-5sDnCLdrKZqxLPK4KA8+f4A3YKO/u6ElpMILvX0g72c=",
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "rev": "367c0e1086a4eb4502b24d872cea2c7acdd557f4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "type": "github"
-      }
-    },
-    "nixos": {
-      "locked": {
-        "lastModified": 1683408522,
-        "narHash": "sha256-9kcPh6Uxo17a3kK3XCHhcWiV1Yu1kYj22RHiymUhMkU=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "897876e4c484f1e8f92009fd11b7d988a121a4e7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
+        "repo": "call-flake",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1686519857,
-        "narHash": "sha256-VkBhuq67aXXiCoEmicziuDLUPPjeOTLQoj6OeVai5zM=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "6b1b72c0f887a478a5aac355674ff6df0fc44f44",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs-lock": {
-      "locked": {
-        "lastModified": 1663419078,
-        "narHash": "sha256-cxEeMnaTGMTeDAvXnZmqcF50qoyJOsQENhYxSnW9ZMs=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "0cfb3c002b61807ca0bab3efe514476bdf2e5478",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "0cfb3c002b61807ca0bab3efe514476bdf2e5478",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1653581809,
-        "narHash": "sha256-Uvka0V5MTGbeOfWte25+tfRL3moECDh1VwokWSZUdoY=",
+        "lastModified": 1698553279,
+        "narHash": "sha256-T/9P8yBSLcqo/v+FTOBK+0rjzjPMctVymZydbvR/Fak=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "83658b28fe638a170a19b8933aa008b30640fbd1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1680758185,
-        "narHash": "sha256-sCVWwfnk7zEX8Z+OItiH+pcSklrlsLZ4TJTtnxAYREw=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "0e19daa510e47a40e06257e205965f3b96ce0ac9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_4": {
-      "locked": {
-        "lastModified": 1660438583,
-        "narHash": "sha256-rJUTYxFKlWUJI3njAwEc1pKAVooAViZGJvsgqfh/q/E=",
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "rev": "bbd8f7cd87d0b29294ef3072ffdbd61d60f05da4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "type": "github"
-      }
-    },
-    "nixpkgs_5": {
-      "locked": {
-        "lastModified": 1685399834,
-        "narHash": "sha256-Lt7//5snriXSdJo5hlVcDkpERL1piiih0UXIz1RUcC4=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "58c85835512b0db938600b6fe13cc3e3dc4b364e",
+        "rev": "90e85bc7c1a6fc0760a94ace129d3a1c61c3d035",
         "type": "github"
       },
       "original": {
@@ -698,423 +31,27 @@
         "type": "github"
       }
     },
-    "nixpkgs_6": {
+    "nixpkgs-julia": {
       "locked": {
-        "lastModified": 1673540789,
-        "narHash": "sha256-xqnxBOK3qctIeUVxecydrEDbEXjsvHCPGPbvsl63M/U=",
+        "lastModified": 1694073329,
+        "narHash": "sha256-F6+k1FSgtFSXaGSQqf00u/jBHhvUvrsTx9qjEWAk0E0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0f213d0fee84280d8c3a97f7469b988d6fe5fcdf",
+        "rev": "ddadf5f46ac96423efbd67228ffe84361743c253",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_7": {
-      "locked": {
-        "lastModified": 1677063315,
-        "narHash": "sha256-qiB4ajTeAOVnVSAwCNEEkoybrAlA+cpeiBxLobHndE8=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "988cc958c57ce4350ec248d2d53087777f9e1949",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
+        "ref": "refs/pull/225513/head",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nosys": {
-      "locked": {
-        "lastModified": 1668010795,
-        "narHash": "sha256-JBDVBnos8g0toU7EhIIqQ1If5m/nyBqtHhL3sicdPwI=",
-        "owner": "divnix",
-        "repo": "nosys",
-        "rev": "feade0141487801c71ff55623b421ed535dbdefa",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "nosys",
-        "type": "github"
-      }
-    },
-    "org-roam-book-template": {
-      "inputs": {
-        "cortex": "cortex",
-        "emacs-overlay": "emacs-overlay",
-        "flake-compat": "flake-compat_2",
-        "flake-utils": "flake-utils_2",
-        "nix-filter": "nix-filter_2",
-        "nixpkgs": [
-          "std-ext",
-          "nixpkgs"
-        ],
-        "ox-hugo": "ox-hugo"
-      },
-      "locked": {
-        "lastModified": 1678147210,
-        "narHash": "sha256-Mj9C519d0F8aQC3dTk3TCOGAdBg8bX9BkALordtZ3Po=",
-        "owner": "gtrunsec",
-        "repo": "org-roam-book-template",
-        "rev": "c97abbc42e7048fb866c5dfff78b04846b87570d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "gtrunsec",
-        "repo": "org-roam-book-template",
-        "type": "github"
-      }
-    },
-    "ox-hugo": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1669851508,
-        "narHash": "sha256-7m9B647uOBnSWYsxIfavlTCsT8loDm33v/epqYSUhLw=",
-        "owner": "kaushalmodi",
-        "repo": "ox-hugo",
-        "rev": "706b5f622d168bb8e0cf503e0525d2db9177c83e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "kaushalmodi",
-        "repo": "ox-hugo",
-        "type": "github"
-      }
-    },
-    "paisano": {
-      "inputs": {
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "nixpkgs"
-        ],
-        "nosys": "nosys",
-        "yants": [
-          "std-ext",
-          "std",
-          "yants"
-        ]
-      },
-      "locked": {
-        "lastModified": 1678949904,
-        "narHash": "sha256-oAoF66hYYz1RPh3lEwb9/4e4iyBAfTbQKZRRQ8gP0Ds=",
-        "owner": "paisano-nix",
-        "repo": "core",
-        "rev": "88f2aff10a5064551d1d4cb86800d17084489ce3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "paisano-nix",
-        "repo": "core",
-        "type": "github"
-      }
-    },
-    "paisano-actions": {
-      "inputs": {
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "paisano-mdbook-preprocessor",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1677306424,
-        "narHash": "sha256-H9/dI2rGEbKo4KEisqbRPHFG2ajF8Tm111NPdKGIf28=",
-        "owner": "paisano-nix",
-        "repo": "actions",
-        "rev": "65ec4e080b3480167fc1a748c89a05901eea9a9b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "paisano-nix",
-        "repo": "actions",
-        "type": "github"
-      }
-    },
-    "paisano-mdbook-preprocessor": {
-      "inputs": {
-        "crane": "crane",
-        "fenix": "fenix",
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "nixpkgs"
-        ],
-        "paisano-actions": "paisano-actions",
-        "std": [
-          "std-ext",
-          "std"
-        ]
-      },
-      "locked": {
-        "lastModified": 1680654400,
-        "narHash": "sha256-Qdpio+ldhUK3zfl22Mhf8HUULdUOJXDWDdO7MIK69OU=",
-        "owner": "paisano-nix",
-        "repo": "mdbook-paisano-preprocessor",
-        "rev": "11a8fc47f574f194a7ae7b8b98001f6143ba4cf1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "paisano-nix",
-        "repo": "mdbook-paisano-preprocessor",
-        "type": "github"
-      }
-    },
-    "paisano-tui": {
-      "inputs": {
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "blank"
-        ],
-        "std": [
-          "std-ext",
-          "std"
-        ]
-      },
-      "locked": {
-        "lastModified": 1681847764,
-        "narHash": "sha256-mdd7PJW1BZvxy0cIKsPfAO+ohVl/V7heE5ZTAHzTdv8=",
-        "owner": "paisano-nix",
-        "repo": "tui",
-        "rev": "3096bad91cae73ab8ab3367d31f8a143d248a244",
-        "type": "github"
-      },
-      "original": {
-        "owner": "paisano-nix",
-        "ref": "0.1.1",
-        "repo": "tui",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
-        "nix-filter": "nix-filter",
+        "call-flake": "call-flake",
         "nixpkgs": "nixpkgs",
-        "nixpkgs-lock": "nixpkgs-lock",
-        "std": [
-          "std-ext",
-          "std"
-        ],
-        "std-data-collection": [
-          "std-ext",
-          "std-data-collection"
-        ],
-        "std-ext": "std-ext"
-      }
-    },
-    "rust-analyzer-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1677221702,
-        "narHash": "sha256-1M+58rC4eTCWNmmX0hQVZP20t3tfYNunl9D/PrGUyGE=",
-        "owner": "rust-lang",
-        "repo": "rust-analyzer",
-        "rev": "f5401f620699b26ed9d47a1d2e838143a18dbe3b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "rust-lang",
-        "ref": "nightly",
-        "repo": "rust-analyzer",
-        "type": "github"
-      }
-    },
-    "rust-overlay": {
-      "inputs": {
-        "flake-utils": [
-          "std-ext",
-          "std",
-          "paisano-mdbook-preprocessor",
-          "crane",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "paisano-mdbook-preprocessor",
-          "crane",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1675391458,
-        "narHash": "sha256-ukDKZw922BnK5ohL9LhwtaDAdCsJL7L6ScNEyF1lO9w=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "383a4acfd11d778d5c2efcf28376cbd845eeaedf",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
-    "std": {
-      "inputs": {
-        "arion": [
-          "std-ext",
-          "std",
-          "blank"
-        ],
-        "blank": "blank",
-        "devshell": "devshell",
-        "dmerge": "dmerge_2",
-        "flake-utils": "flake-utils_3",
-        "incl": "incl",
-        "makes": [
-          "std-ext",
-          "std",
-          "blank"
-        ],
-        "microvm": [
-          "std-ext",
-          "std",
-          "blank"
-        ],
-        "n2c": "n2c",
-        "nixago": "nixago",
-        "nixpkgs": [
-          "std-ext",
-          "nixpkgs"
-        ],
-        "paisano": "paisano",
-        "paisano-mdbook-preprocessor": "paisano-mdbook-preprocessor",
-        "paisano-tui": "paisano-tui",
-        "yants": "yants_3"
-      },
-      "locked": {
-        "lastModified": 1684882168,
-        "narHash": "sha256-Yu1yw1sPWZsXe7BX7HaHg+O8fWKHCpy/AwgGfBdhivw=",
-        "owner": "divnix",
-        "repo": "std",
-        "rev": "959f54d6698ff7fea01e4e6d8e5d7d95fcf66844",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "std",
-        "type": "github"
-      }
-    },
-    "std-data-collection": {
-      "inputs": {
-        "nixpkgs": [
-          "std-ext",
-          "nixpkgs"
-        ],
-        "std": [
-          "std-ext",
-          "std"
-        ]
-      },
-      "locked": {
-        "lastModified": 1676163535,
-        "narHash": "sha256-xofkWLBqU4zj5vzJhWor2Z9CyPGKt7UGkTchsCT48Po=",
-        "owner": "divnix",
-        "repo": "std-data-collection",
-        "rev": "f713d81a6197e1b0854fb201cc7acde5ef9e93d4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "std-data-collection",
-        "type": "github"
-      }
-    },
-    "std-ext": {
-      "inputs": {
-        "flops": "flops",
-        "nixos": "nixos",
-        "nixpkgs": "nixpkgs_5",
-        "org-roam-book-template": "org-roam-book-template",
-        "std": "std",
-        "std-data-collection": "std-data-collection"
-      },
-      "locked": {
-        "lastModified": 1685482807,
-        "narHash": "sha256-ssieO2aCYgWKIMVvkJGxrAAD1pfIBgdLWA28EeSVbCE=",
-        "owner": "gtrunsec",
-        "repo": "std-ext",
-        "rev": "64c26586c586e7369f25e4ce43ea10d6cc74bd33",
-        "type": "github"
-      },
-      "original": {
-        "owner": "gtrunsec",
-        "repo": "std-ext",
-        "type": "github"
-      }
-    },
-    "yants": {
-      "inputs": {
-        "nixpkgs": [
-          "std-ext",
-          "flops",
-          "dmerge",
-          "nixlib"
-        ]
-      },
-      "locked": {
-        "lastModified": 1677285314,
-        "narHash": "sha256-hlAcg2514zKrPu8jn24BUsIjjvXvCLdw1jvKgBTpqko=",
-        "owner": "divnix",
-        "repo": "yants",
-        "rev": "9eab24b273ce021406c852166c216b86e2bb4ec4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "yants",
-        "type": "github"
-      }
-    },
-    "yants_2": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_4"
-      },
-      "locked": {
-        "lastModified": 1677285314,
-        "narHash": "sha256-hlAcg2514zKrPu8jn24BUsIjjvXvCLdw1jvKgBTpqko=",
-        "owner": "divnix",
-        "repo": "yants",
-        "rev": "9eab24b273ce021406c852166c216b86e2bb4ec4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "yants",
-        "type": "github"
-      }
-    },
-    "yants_3": {
-      "inputs": {
-        "nixpkgs": [
-          "std-ext",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1667096281,
-        "narHash": "sha256-wRRec6ze0gJHmGn6m57/zhz/Kdvp9HS4Nl5fkQ+uIuA=",
-        "owner": "divnix",
-        "repo": "yants",
-        "rev": "d18f356ec25cb94dc9c275870c3a7927a10f8c3c",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "yants",
-        "type": "github"
+        "nixpkgs-julia": "nixpkgs-julia"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index f5a009e..54a0866 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,56 +1,35 @@
 {
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
-    nix-filter.url = "github:/numtide/nix-filter";
-    # TOOD: use the locked prefetch version, will be removed by replacing with nix-prefetch-url
-    nixpkgs-lock.url = "github:NixOS/nixpkgs/0cfb3c002b61807ca0bab3efe514476bdf2e5478";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    nixpkgs-julia.url = "github:NixOS/nixpkgs/?ref=refs/pull/225513/head";
+    call-flake.url = "github:divnix/call-flake";
   };
-
-  inputs = {
-    std-ext.url = "github:gtrunsec/std-ext";
-    std.follows = "std-ext/std";
-    std-data-collection.follows = "std-ext/std-data-collection";
-  };
-
-  outputs = {
-    self,
-    std,
-    ...
-  } @ inputs:
-    (std.growOn {
-        inherit inputs;
-        cellsFrom = ./nix;
-        systems = [
-          "aarch64-darwin"
-          "aarch64-linux"
-          "x86_64-darwin"
-          "x86_64-linux"
-        ];
-        cellBlocks = with std.blockTypes; [
-          (installables "packages")
-
-          (nixago "nixago")
-
-          (runnables "entrypoints")
-
-          (devshells "devshells")
-          (functions "devshellProfiles")
-
-          (functions "lib")
-          (functions "workflow")
-          (functions "overlays")
-          (functions "compiler")
-
-          (data "containerJobs")
-        ];
-      }
-      {
-        lib = std.harvest inputs.self ["julia2nix" "lib"];
-        devShells = std.harvest inputs.self ["julia2nix" "devshells"];
-        overlays = (std.harvest inputs.self ["julia2nix" "overlays"]).x86_64-linux;
-        packages = std.harvest inputs.self ["julia2nix" "packages"];
-      })
-    {
+  outputs =
+    inputs:
+    let
+      std = inputs.call-flake ./nix/std;
+      eachSystem = inputs.nixpkgs.lib.genAttrs [
+        "x86_64-linux"
+        "x86_64-darwin"
+        "aarch64-linux"
+        "aarch64-darwin"
+      ];
+      units = std.inputs.omnibus.inputs.flops.lib.haumea.pops.default.setInit {
+        src = ./nix/units;
+        inputs = {
+          inputs = std.inputs // inputs;
+        };
+      };
+    in
+    (eachSystem (system: std.${system}))
+    // {
+      inherit units;
+      inherit (std)
+        lib
+        packages
+        devShells
+        overlays
+      ;
       templates = {
         devshell = {
           description = "The devshell template which contains several Julia Packages";
diff --git a/julia2nix.toml b/julia2nix.toml
index 3eccf41..411fbeb 100644
--- a/julia2nix.toml
+++ b/julia2nix.toml
@@ -29,11 +29,11 @@ sha256 = "sha256-27PVVCJaJplznvzgGGwQE3ksOuaUarHOYmDfMKSbUug="
 stripRoot = false
 url = "https://pkg.julialang.org/artifact/dc526f26fb179a3f68eb13fcbe5d2d2a5aa7eeac#artifact.tar.gz"
 
-[depot.x86_64-linux.fetchzip.package-OpenSSL]
-name = "packages/OpenSSL/kra0W"
-sha256 = "sha256-muCjqNy2lqSc78Tzv7q4G9vsYHNcv+olkqf8j1CbGiQ="
+[depot.x86_64-linux.fetchzip.registry-General]
+name = "registries/General"
+sha256 = "sha256-TAtVB22NVCRBJyHR3H2owLZLpGo8pq65hTqxxXaYt14="
 stripRoot = false
-url = "https://pkg.julialang.org/package/4d8831e6-92b7-49fb-bdf8-b643e874388c/df6830e37943c7aaa10023471ca47fb3065cc3c4#package.tar.gz"
+url = "https://pkg.julialang.org/registry/23338594-aafe-5451-b93e-139f81909106/baadbc3ca6fd7b55dedd2b64fef79efa5146474e#registry.tar.gz"
 
 [depot.x86_64-linux.fetchzip.artifact-33c5e3a13ad6427f86436f577c0edce1e468ac80]
 name = "artifacts/33c5e3a13ad6427f86436f577c0edce1e468ac80"
@@ -41,12 +41,6 @@ sha256 = "sha256-yHv+b8WLS2yJKgp6tbVsvEtiki5DNBKGuXiNaRjo+Oo="
 stripRoot = false
 url = "https://pkg.julialang.org/artifact/33c5e3a13ad6427f86436f577c0edce1e468ac80#artifact.tar.gz"
 
-[depot.x86_64-linux.fetchzip.registry-General]
-name = "registries/General"
-sha256 = "sha256-NQM4+e9O5BFdeeqsr8OMKnFDdRIy79zOQjPOpdR83es="
-stripRoot = false
-url = "https://pkg.julialang.org/registry/23338594-aafe-5451-b93e-139f81909106/aa3b04713a506a40072b9f0f5f83ab8d80f560bc#registry.tar.gz"
-
 [depot.x86_64-linux.fetchzip.artifact-53037ac9d528ee46c3526799b407ee52b7c224f3]
 name = "artifacts/53037ac9d528ee46c3526799b407ee52b7c224f3"
 sha256 = "sha256-nwKbETHxBT7fWziDE/6u+ZJvS/ULH7ewT2llzACAtps="
@@ -95,6 +89,12 @@ sha256 = "sha256-OdydL0kBs0anNG3UFioPiYbElCc/nohJutG/gKFhwUw="
 rev = "6466e524967496866901a78fca3f2e9ea445a559"
 url = "https://github.com/JuliaData/Parsers.jl.git"
 
+[depot.x86_64-linux.fetchgit.package-OpenSSL]
+name = "packages/OpenSSL/kra0W"
+sha256 = "sha256-muCjqNy2lqSc78Tzv7q4G9vsYHNcv+olkqf8j1CbGiQ="
+rev = "df6830e37943c7aaa10023471ca47fb3065cc3c4"
+url = "https://github.com/JuliaWeb/OpenSSL.jl.git"
+
 [depot.x86_64-linux.fetchgit.package-MbedTLS]
 name = "packages/MbedTLS/lqmet"
 sha256 = "sha256-X0cj/771qRxyVLloNLlhtrQkKKcVWlQxmqxSGVMYCII="
diff --git a/nix/julia2nix/compiler/default.nix b/nix/julia2nix/compiler/default.nix
deleted file mode 100644
index aa49c70..0000000
--- a/nix/julia2nix/compiler/default.nix
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  inputs,
-  cell,
-}: {
-}
diff --git a/nix/julia2nix/devshellProfiles/nightly.nix b/nix/julia2nix/devshellProfiles/nightly.nix
deleted file mode 100644
index e76fc68..0000000
--- a/nix/julia2nix/devshellProfiles/nightly.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  inputs,
-  cell,
-}: {
-  config,
-  lib,
-  pkgs,
-  ...
-}: {
-  commands = lib.optionals (pkgs.system != "x86_64-darwin") [
-    {
-      name = "julia-nightly";
-      command = "${cell.packages.julia_nightly-bin}/bin/julia";
-      help = "julia nightly version";
-    }
-  ];
-}
diff --git a/nix/julia2nix/entrypoints/default.nix b/nix/julia2nix/entrypoints/default.nix
deleted file mode 100644
index 8db7c8a..0000000
--- a/nix/julia2nix/entrypoints/default.nix
+++ /dev/null
@@ -1,68 +0,0 @@
-{
-  inputs,
-  cell,
-}: let
-  inherit (inputs.std-ext.writers.lib) writeShellApplication;
-  inherit (inputs) nixpkgs;
-in {
-  mkdoc = let
-    juliaDoc = cell.lib.buildEnv {
-      name = "julia-doc";
-      src = ./doc;
-      package = cell.lib.julia-wrapped {
-        package = cell.packages.julia_19-bin;
-      };
-    };
-  in
-    writeShellApplication {
-      name = "mkdoc";
-      runtimeInputs = [
-        # juliaDoc
-        nixpkgs.julia_19-bin
-      ];
-      text = ''
-        julia --project="$*" -e 'using Pkg; Pkg.develop(PackageSpec(; path=pwd())); Pkg.instantiate();'
-        julia --project="$*" "$*"/make.jl deploy
-        # find "$*" -type l -exec bash ${./fix-symlink.sh} {} +
-      '';
-    };
-
-  ion = let
-    julia-ion =
-      (cell.lib.buildEnv {
-        name = "julia-ion";
-        src = ./ion;
-        extraDepot = {
-          extraJulia2nix = {
-            fetchzip.artifact-1fce04a1a7eedfdf2b0b81ca9001494525764e11 = {
-              name = "artifacts/1fce04a1a7eedfdf2b0b81ca9001494525764e11";
-              sha256 = "sha256-YlrXTPJLJGjHLjoVkuygwtTV6kFUIO2VHZXwf3COIt0=";
-              stripRoot = false;
-              url = "https://pkg.julialang.org/artifact/1fce04a1a7eedfdf2b0b81ca9001494525764e11#artifact.tar.gz";
-            };
-          };
-        };
-        package = cell.lib.julia-wrapped {
-          package = cell.packages.julia_19-bin;
-        };
-      })
-      .overrideAttrs (old: {
-        buildInputs = old.buildInputs ++ [nixpkgs.rsync];
-        postInstall = ''
-
-          $out/bin/julia -e 'using Ion; Ion.comonicon_install()';
-          # make sure we can write the ./julia/bin/* in our $out/store
-          rsync -avzhr $HOME/.julia/ $out
-        '';
-      });
-  in
-    writeShellApplication {
-      name = "julia-ion";
-      runtimeInputs = [
-        julia-ion
-      ];
-      text = ''
-        ion "$@"
-      '';
-    };
-}
diff --git a/nix/julia2nix/lib/default.nix b/nix/julia2nix/lib/default.nix
deleted file mode 100644
index 854f162..0000000
--- a/nix/julia2nix/lib/default.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  inputs,
-  cell,
-}: let
-  nixpkgs = inputs.nixpkgs.appendOverlays [
-    cell.overlays.default
-  ];
-in {
-  inherit (nixpkgs.lib) installBin installApp buildDepot buildEnv buildProject julia-wrapped;
-
-  /*
-  patches ["a" "b"]
-  */
-  # patches = list: ;
-}
diff --git a/nix/julia2nix/overlays/builder/default.nix b/nix/julia2nix/overlays/builder/default.nix
deleted file mode 100644
index 817e7e3..0000000
--- a/nix/julia2nix/overlays/builder/default.nix
+++ /dev/null
@@ -1,113 +0,0 @@
-{
-  stdenv,
-  julia_19-bin,
-  runCommand,
-  makeWrapper,
-  lib,
-  ...
-}: {
-  package ? julia_19-bin,
-  extraLibs ? [],
-  src,
-  importManifest ? src + "/Manifest.toml",
-  importProject ? src + "/Project.toml",
-  extraBuildInputs ? [],
-  julia2nix ? src + "/julia2nix.toml",
-  precompile ? true,
-  extraInstallPhase ? "",
-  extraStartup ? "",
-  makeWrapperArgs ? [],
-  extraDepot ? {},
-  saveRegistry ? false,
-  ...
-} @ args: let
-  # Extra libraries for Julia's LD_LIBRARY_PATH.
-  # Recent Julia packages that use Artifacts.toml to specify their dependencies
-  # shouldn't need this.
-  # But if a package implicitly depends on some library being present at runtime, you can
-  # add it here.
-  # extraLibs = [ ];
-  # Wrapped Julia with libraries and environment variables.
-  # Note: setting The PYTHON environment variable is recommended to prevent packages
-  # from trying to obtain their own with Conda.
-  depotPath = lib.buildDepot (lib.recursiveUpdate {inherit julia2nix;} extraDepot);
-in
-  stdenv.mkDerivation {
-    name = (lib.importTOML importProject).name or args.name;
-    buildInputs = [makeWrapper] ++ extraBuildInputs;
-    inherit src precompile makeWrapperArgs depotPath;
-
-    preInstall = ''
-      mkdir -p $out
-      mkdir -p $out/config
-
-      export HOME=$(pwd)
-      echo "Copying dependencies"
-      export JULIA_DEPOT_PATH=$out
-      cp -rf --no-preserve=mode,ownership ${depotPath}/packages $out
-      if [ -d "${depotPath}/artifacts" ]; then
-      cp -rf --no-preserve=mode,ownership ${depotPath}/artifacts $out
-      fi
-
-      cp -rf --no-preserve=mode,ownership ${importProject} Project.toml
-      cp -rf --no-preserve=mode,ownership ${importManifest} Manifest.toml
-
-      cat > $out/startup.jl <<EOF
-      push!(Base.DEPOT_PATH, "${placeholder "out"}")
-      import Pkg
-      Pkg.activate("${src}")
-      ${extraStartup}
-      EOF
-    '';
-    installPhase = ''
-       runHook preInstall
-
-       echo "instantiating Packages"
-
-       ${extraInstallPhase}
-
-       #exec patched.bash
-       for i in $(find $out/* -iname 'patched.bash' -type l); do
-           bash $i
-       done
-
-       ${package}/bin/julia -e ' \
-       using Pkg
-         Pkg.Registry.add(RegistrySpec(path="${depotPath}/registries/General"))
-         Pkg.activate(".")
-         Pkg.instantiate()
-         '
-
-       # https://github.com/JuliaLang/Pkg.jl/issues/3067
-       # https://github.com/GunnarFarneback/LocalRegistry.jl
-       # Do you need the local registry instead?
-       TMPDIR=$(mktemp -d -p /tmp)
-
-
-       makeWrapper ${package}/bin/julia $out/bin/julia \
-       --add-flags "-L $out/startup.jl" \
-       --suffix JULIA_DEPOT_PATH : $TMPDIR $makeWrapperArgs
-
-      # make sure the patchShebangs replaces the shebangs with the $out/bin/julia path
-      export PATH=$out/bin:$PATH
-      patchShebangs --build $out/bin
-
-      if [[ -n "$precompile" ]]; then
-      $out/bin/julia -e ' \
-        using Pkg
-        Pkg.activate(".")
-        Pkg.precompile()
-      '
-      fi
-
-      runHook postInstall
-    '';
-
-    postFixup = ''
-      # Remove the registry to save space
-      ${lib.optionalString (!saveRegistry) ''
-        julia -e 'using Pkg; Pkg.Registry.rm("General")'
-      ''}
-    '';
-    meta.mainProgram = "julia";
-  }
diff --git a/nix/julia2nix/overlays/builder/depot.nix b/nix/julia2nix/overlays/builder/depot.nix
deleted file mode 100644
index d68caba..0000000
--- a/nix/julia2nix/overlays/builder/depot.nix
+++ /dev/null
@@ -1,75 +0,0 @@
-{
-  stdenvNoCC,
-  lib,
-  symlinkJoin,
-  callPackage,
-  git,
-  pkgs,
-  writers,
-  ...
-}: {
-  julia2nix,
-  extraJulia2nix ? {},
-  ...
-}: let
-  fetches = ["fetchzip" "fetchgit" "fetchTarball" "fetchGit"];
-
-  selectFetcher =
-    lib.flatten ((attr: (map (name: (lib.optionals (lib.hasAttr name attr) name)) fetches))
-      (lib.importTOML julia2nix).depot.${stdenvNoCC.system});
-
-  depots = let
-    concatAttrs = let
-      f = x:
-        lib.foldr
-        (n: acc: acc // lib.mapAttrs (_: v: v) (x.${n})) {} (lib.attrNames x);
-    in
-      f;
-  in
-    concatAttrs (lib.listToAttrs (map (name: {
-        inherit name;
-        value =
-          lib.mapAttrs (_: (lib.getAttrFromPath [name]) (pkgs // builtins))
-          ((lib.recursiveUpdate (lib.importTOML julia2nix).depot.${stdenvNoCC.system} extraJulia2nix)
-            ."${name}");
-      })
-      selectFetcher));
-
-  srcs = lib.mapAttrs (n: v: let
-    path = lib.replaceStrings ["-"] ["/"] v.name;
-    patches = import ./patches.nix {inherit path;};
-    name' = lib.last (lib.splitString "-" n);
-    patch-context = lib.hasAttrByPath ["${name'}"] patches;
-  in
-    stdenvNoCC.mkDerivation {
-      name = n;
-      src = v;
-      dontConfigure = true;
-      dontBuild = true;
-      dontFixup = true;
-      sourceRoot = ".";
-      unpackPhase = ''
-        unpackDir="$TMPDIR/unpack"
-        unpackFile "$src"
-        cp -r "$src" "package"
-      '';
-      installPhase =
-        ''
-          runHook preInstall
-
-          mkdir -p $out/${path}
-          cp -rf --no-preserve=mode,ownership package/* $out/${path}
-          runHook postInstall
-        ''
-        + lib.optionalString patch-context (let
-          context = writers.writeBash "update-epgstation" patches."${name'}";
-        in ''
-          cp -rf --no-preserve=mode,ownership ${context} $out/${path}/patched.bash
-        '');
-    })
-  depots;
-in
-  symlinkJoin {
-    name = "julia-depot";
-    paths = lib.attrValues srcs;
-  }
diff --git a/nix/julia2nix/overlays/default.nix b/nix/julia2nix/overlays/default.nix
deleted file mode 100644
index 52bff56..0000000
--- a/nix/julia2nix/overlays/default.nix
+++ /dev/null
@@ -1,50 +0,0 @@
-{
-  inputs,
-  cell,
-}: {
-  default = final: prev: rec {
-    lib = prev.lib.extend (
-      lfinal: lprev: rec {
-        installApp = import ./installApp.nix final;
-
-        buildDepot = args: import ./builder/depot.nix final args;
-
-        buildEnv = args: (import ./builder final) args;
-
-        buildProject = {...} @ args:
-          (buildEnv args
-            // {
-            })
-          .overrideAttrs (old: {
-            preInstall =
-              old.preInstall
-              + ''
-                cp -r ${args.src} $out/src
-              '';
-
-            makeWrapperArgs = ["--add-flags --project=${placeholder "out"}/src"];
-          });
-
-        installBin = args: (import ./installBin.nix final) args;
-
-        julia-wrapped = args: (import ./julia-wrapped.nix final) args;
-      }
-    );
-
-    julia_17-bin = cell.packages.julia_17-bin;
-
-    julia_19-bin = cell.packages.julia_19-bin;
-
-    julia_nightly-bin = cell.packages.julia_nightly-bin;
-
-    julia-sources = prev.callPackage ../packages/toolchain/_sources/generated.nix {};
-
-    patch-sources = prev.callPackage ./patches/_sources/generated.nix {};
-
-    gr = prev.callPackage ./patches/gr.nix {inherit patch-sources;};
-
-    julia-fhs = prev.callPackage ../packages/fhs {pkgs = final;} {};
-
-    conda = prev.callPackage ./patches/conda.nix {};
-  };
-}
diff --git a/nix/julia2nix/overlays/installApp.nix b/nix/julia2nix/overlays/installApp.nix
deleted file mode 100644
index f533865..0000000
--- a/nix/julia2nix/overlays/installApp.nix
+++ /dev/null
@@ -1,50 +0,0 @@
-{
-  stdenvNoCC,
-  lib,
-  fetchurl,
-  undmg,
-  julia-sources,
-  system,
-  ...
-}: {
-  version,
-  postInstall ? "",
-  sourceRoot ? ".",
-  extraBuildInputs ? [],
-  ...
-}: let
-  version' = import ./version.nix {inherit lib version julia-sources system;};
-in
-  stdenvNoCC.mkDerivation {
-    pname = lib.elemAt (lib.splitString "-" julia-sources."julia-${version}-${system}".pname) 0;
-    inherit (julia-sources."julia-${version}-${system}") src;
-    version = version'.default;
-
-    buildInputs = [undmg] ++ extraBuildInputs;
-
-    inherit sourceRoot;
-
-    phases = [
-      "unpackPhase"
-      "installPhase"
-    ];
-
-    installPhase = let
-      appname = "Julia-${version}";
-    in
-      ''
-        runHook preInstall
-
-        mkdir -p "$out/Applications"
-        cp -r *.app "$out/Applications"
-        ln -s $out/Applications/*.app/Contents/Resources/julia/bin $out/bin
-
-      ''
-      + postInstall;
-
-    meta = {
-      platforms = lib.platforms.darwin;
-      mainProgram = "julia";
-      description = "${version}: High-level, high-performance, dynamic language for technical computing";
-    };
-  }
diff --git a/nix/julia2nix/overlays/installBin.nix b/nix/julia2nix/overlays/installBin.nix
deleted file mode 100644
index 53c048f..0000000
--- a/nix/julia2nix/overlays/installBin.nix
+++ /dev/null
@@ -1,63 +0,0 @@
-{
-  stdenv,
-  lib,
-  autoPatchelfHook,
-  julia-sources,
-  system,
-  ...
-}: {version}: let
-  version' = import ./version.nix {inherit lib version julia-sources system;};
-in
-  stdenv.mkDerivation {
-    inherit (julia-sources."julia-${version}-${system}") src;
-    pname = lib.elemAt (lib.splitString "-" julia-sources."julia-${version}-${system}".pname) 0;
-    version = version'.default;
-    nativeBuildInputs = lib.optionals stdenv.hostPlatform.isLinux [
-      autoPatchelfHook
-    ];
-
-    postPatch = ''
-      # Julia fails to pick up our Certification Authority root certificates, but
-      # it provides its own so we can simply disable the test. Patching in the
-      # dynamic path to ours require us to rebuild the Julia system image.
-      substituteInPlace share/julia/stdlib/v${version'.major}/NetworkOptions/test/runtests.jl \
-        --replace '@test ca_roots_path() != bundled_ca_roots()' \
-          '@test_skip ca_roots_path() != bundled_ca_roots()'
-    '';
-
-    dontStrip = true;
-    dontConfigure = true;
-    dontBuild = true;
-
-    installPhase = ''
-      runHook preInstall
-      mkdir -p $out
-
-      mv {bin,etc,include,lib,libexec,share} $out
-
-      runHook postInstall
-    '';
-
-    doInstallCheck = false;
-    preInstallCheck = ''
-      export JULIA_TEST_USE_MULTIPLE_WORKERS=true
-      # Some tests require read/write access to $HOME.
-      export HOME="$TMPDIR"
-    '';
-
-    installCheckPhase = ''
-      runHook preInstallCheck
-      # Command lifted from `test/Makefile`.
-      $out/bin/julia \
-        --check-bounds=yes \
-        --startup-file=no \
-        --depwarn=error \
-        $out/share/julia/test/runtests.jl
-      runHook postInstallCheck
-    '';
-
-    meta = {
-      mainProgram = "julia";
-      description = "${version}: High-level, high-performance, dynamic language for technical computing";
-    };
-  }
diff --git a/nix/julia2nix/overlays/patches/conda.nix b/nix/julia2nix/overlays/patches/conda.nix
deleted file mode 100644
index 13d99a9..0000000
--- a/nix/julia2nix/overlays/patches/conda.nix
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  runCommand,
-  fetchurl,
-  makeWrapper,
-  installationPath ? "~/.conda",
-}: let
-  conda_version = "4.6.14";
-  conda_src = fetchurl {
-    url = "https://repo.continuum.io/miniconda/Miniconda3-${conda_version}-Linux-x86_64.sh";
-    sha256 = "1gn43z1y5zw4yv93q1qajwbmmqs83wx5ls5x4i4llaciba4j6sqd";
-  };
-in
-  runCommand "conda-install" {buildInputs = [makeWrapper];} ''
-    mkdir -p $out/bin
-    cp ${conda_src} $out/bin/miniconda-installer.sh
-    chmod +x $out/bin/miniconda-installer.sh
-    makeWrapper                            \
-      $out/bin/miniconda-installer.sh      \
-      $out/bin/conda-install               \
-      --add-flags "-p ${installationPath}" \
-      --add-flags "-b"
-  ''
diff --git a/nix/julia2nix/overlays/patches/gr.nix b/nix/julia2nix/overlays/patches/gr.nix
deleted file mode 100644
index c7c3f9b..0000000
--- a/nix/julia2nix/overlays/patches/gr.nix
+++ /dev/null
@@ -1,59 +0,0 @@
-{
-  stdenv,
-  patch-sources,
-  fetchurl,
-  lib,
-  qt5,
-  libGL,
-  xorg,
-  system,
-}: let
-  mainDependencies = [
-    qt5.qtbase
-    qt5.qtsvg
-    stdenv.cc.cc.lib
-    libGL
-    xorg.libXt
-    xorg.libX11
-    xorg.libXrender
-    xorg.libXext
-  ];
-in
-  stdenv.mkDerivation {
-    name = "GR";
-
-    version = "latest";
-
-    inherit (patch-sources."gr-latest-${system}") pname src;
-
-    dontConfigure = true;
-    dontBuild = true;
-
-    nativeBuildInputs = [qt5.wrapQtAppsHook];
-
-    installPhase = ''
-      mkdir -p $out
-      cp -r ./* $out
-    '';
-
-    preFixup = let
-      libPath = lib.makeLibraryPath (mainDependencies
-        ++ [
-          xorg.libxcb
-        ]);
-    in ''
-      patchelf \
-        --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-        --set-rpath "${libPath}" \
-        $out/bin/gksqt
-    '';
-
-    propagatedBuildInputs =
-      mainDependencies
-      ++ [
-        xorg.libxcb
-        xorg.xcbproto
-        xorg.xcbutil
-      ];
-    meta.mainProgram = "gksqt";
-  }
diff --git a/nix/julia2nix/overlays/version.nix b/nix/julia2nix/overlays/version.nix
deleted file mode 100644
index e30c808..0000000
--- a/nix/julia2nix/overlays/version.nix
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  lib,
-  version,
-  julia-sources,
-  system,
-}: let
-  l = lib // builtins;
-  version' = lib.elemAt (lib.splitString "-" julia-sources."julia-${version}-${system}".version) 0;
-  nightly = lib.elemAt (lib.splitString "-" julia-sources."julia-${version}-${system}".pname) 1;
-  major = l.substring 0 3 version';
-in {
-  default =
-    if nightly == "nightly"
-    then "1.10" + "-${version'}"
-    else version';
-  major =
-    if nightly == "nightly"
-    then "1.10"
-    else major;
-}
diff --git a/nix/julia2nix/packages/default.nix b/nix/julia2nix/packages/default.nix
deleted file mode 100644
index 3ba9b15..0000000
--- a/nix/julia2nix/packages/default.nix
+++ /dev/null
@@ -1,106 +0,0 @@
-{
-  inputs,
-  cell,
-}: let
-  inherit (inputs) std self;
-
-  l = inputs.nixpkgs.lib // builtins;
-
-  src = std.incl self [
-    "src"
-    "julia2nix.toml"
-    "Project.toml"
-    "Manifest.toml"
-  ];
-
-  nixpkgs = inputs.nixpkgs.appendOverlays [
-    cell.overlays.default
-  ];
-in {
-  inherit (nixpkgs) gr conda;
-
-  julia-fhs = nixpkgs.julia-fhs "julia" "julia";
-
-  julia_17-bin = (version:
-    l.optionalAttrs (nixpkgs.system == "x86_64-darwin" || nixpkgs.system == "aarch64-darwin")
-    (cell.lib.installApp {
-      inherit version;
-    })
-    // l.optionalAttrs (nixpkgs.system == "aarch64-linux" || nixpkgs.system == "x86_64-linux") (cell.lib.installBin {
-      inherit version;
-    })) "17";
-
-  julia_19-bin = (version:
-    l.optionalAttrs (nixpkgs.system == "aarch64-darwin" || nixpkgs.system == "x86_64-darwin") (cell.lib.installApp {
-      inherit version;
-    })
-    // l.optionalAttrs (nixpkgs.system == "x86_64-linux" || nixpkgs.system == "aarch64-linux") (cell.lib.installBin {
-      inherit version;
-    })) "19";
-
-  julia_nightly-bin = (version:
-    l.optionalAttrs (nixpkgs.system == "aarch64-darwin" || nixpkgs.system == "x86_64-darwin") (cell.lib.installApp {
-      inherit version;
-    })
-    // l.optionalAttrs (nixpkgs.system == "x86_64-linux" || nixpkgs.system == "aarch64-linux") (cell.lib.installBin {
-      inherit version;
-    })) "nightly-110";
-
-  julia-wrapped = cell.lib.julia-wrapped {
-    package = cell.packages.julia_19-bin;
-    enable = {
-      GR = true;
-      python =
-        inputs.nixpkgs.python3.buildEnv.override
-        {
-          extraLibs = with inputs.nixpkgs.python3Packages; [xlrd matplotlib pyqt5];
-          ignoreCollisions = true;
-        };
-    };
-  };
-
-  build-depot = cell.lib.buildDepot {
-    julia2nix = "${std.incl self ["julia2nix.toml"]}/julia2nix.toml";
-  };
-
-  build-conda = cell.lib.buildEnv {
-    src = "${std.incl self ["testenv"]}/testenv/conda";
-    name = "build-conda";
-    package = cell.packages.julia-wrapped;
-    extraInstallPhase = with nixpkgs; ''
-    '';
-  };
-
-  build-project = cell.lib.buildProject {
-    inherit src;
-    name = "julia-wrapped-julia2nix";
-    package = cell.lib.julia-wrapped {
-      extraBuildInputs = with inputs.nixpkgs; [alejandra nixUnstable nix-prefetch cacert];
-    };
-    saveRegistry = true;
-  };
-
-  julia2nix = inputs.std-ext.writers.lib.writeShellApplication {
-    name = "julia2nix";
-    runtimeInputs = [cell.packages.build-project];
-    text = ''
-      export NIX_PATH=${inputs.nixpkgs-lock.outPath}
-      julia ${std.incl self ["testenv"]}/testenv/writejulia2nix.jl ${nixpkgs.system}
-    '';
-  };
-
-  julia2nix-all = inputs.std-ext.writers.lib.writeShellApplication {
-    name = "julia2nix-write-all-systems";
-    runtimeInputs = [cell.packages.build-project];
-    text = ''
-    export NIX_PATH=${inputs.nixpkgs-lock.outPath}
-    julia ${std.incl self ["testenv"]}/testenv/writejulia2nix.jl
-    '';
-  };
-
-  build-env = cell.lib.buildEnv {
-    inherit src;
-    name = "Example-PackageDeps";
-    package = cell.packages.julia-wrapped;
-  };
-}
diff --git a/nix/std/cells/julia2nix/compiler/default.nix b/nix/std/cells/julia2nix/compiler/default.nix
new file mode 100644
index 0000000..b5140df
--- /dev/null
+++ b/nix/std/cells/julia2nix/compiler/default.nix
@@ -0,0 +1 @@
+{ inputs, cell }: { }
diff --git a/nix/julia2nix/nixago/Manifest.toml b/nix/std/cells/julia2nix/configs/Manifest.toml
similarity index 100%
rename from nix/julia2nix/nixago/Manifest.toml
rename to nix/std/cells/julia2nix/configs/Manifest.toml
diff --git a/nix/julia2nix/nixago/Project.toml b/nix/std/cells/julia2nix/configs/Project.toml
similarity index 100%
rename from nix/julia2nix/nixago/Project.toml
rename to nix/std/cells/julia2nix/configs/Project.toml
diff --git a/nix/julia2nix/nixago/default.nix b/nix/std/cells/julia2nix/configs/default.nix
similarity index 53%
rename from nix/julia2nix/nixago/default.nix
rename to nix/std/cells/julia2nix/configs/default.nix
index 0f0f309..58babbd 100644
--- a/nix/julia2nix/nixago/default.nix
+++ b/nix/std/cells/julia2nix/configs/default.nix
@@ -1,8 +1,6 @@
-{
-  inputs,
-  cell,
-}: let
-  inherit (inputs) std-data-collection nixpkgs;
+{ inputs, cell }:
+let
+  inherit (inputs) nixpkgs;
   l = inputs.nixpkgs.lib // builtins;
   inherit (nixpkgs) stdenv;
   juliaFormatter = cell.lib.buildEnv {
@@ -26,24 +24,36 @@
       chmod +x $out/bin/*.jl
     '';
     package = cell.lib.julia-wrapped {
-      makeWrapperArgs = [
-        "--add-flags --compile=min"
-      ];
+      makeWrapperArgs = [ "--add-flags --compile=min" ];
     };
   };
-in {
+  configs =
+    let
+      inputs' = (inputs.omnibus.pops.flake.setSystem nixpkgs.system).inputs;
+    in
+    inputs.omnibus.pops.configs.addLoadExtender { load.inputs.inputs = inputs'; };
+  inherit (configs.layouts.default) treefmt lefthook conform;
+in
+{
   inherit juliaFormatter;
 
-  treefmt = std-data-collection.data.configs.treefmt {
-    data.formatter.prettier = {
-      excludes = ["Manifest.toml" "Project.toml" "generated.json" "julia2nix.toml"];
-    };
-    data.formatter.nix = {
-      excludes = ["generated.nix"];
-    };
-    data.formatter.julia = l.mkIf stdenv.isLinux {
-      command = "${juliaFormatter}/bin/format.jl";
-      includes = ["*.jl"];
+  treefmt = treefmt // {
+    custom = {
+      data.formatter.prettier = {
+        excludes = [
+          "Manifest.toml"
+          "Project.toml"
+          "generated.json"
+          "julia2nix.toml"
+        ];
+      };
+      data.formatter.nix = {
+        excludes = [ "generated.nix" ];
+      };
+      data.formatter.julia = l.mkIf stdenv.isLinux {
+        command = "${juliaFormatter}/bin/format.jl";
+        includes = [ "*.jl" ];
+      };
     };
   };
 }
diff --git a/nix/julia2nix/nixago/format.jl b/nix/std/cells/julia2nix/configs/format.jl
similarity index 100%
rename from nix/julia2nix/nixago/format.jl
rename to nix/std/cells/julia2nix/configs/format.jl
diff --git a/nix/julia2nix/nixago/julia2nix.toml b/nix/std/cells/julia2nix/configs/julia2nix.toml
similarity index 100%
rename from nix/julia2nix/nixago/julia2nix.toml
rename to nix/std/cells/julia2nix/configs/julia2nix.toml
diff --git a/nix/julia2nix/devshellProfiles/checks.nix b/nix/std/cells/julia2nix/devshellProfiles/checks.nix
similarity index 96%
rename from nix/julia2nix/devshellProfiles/checks.nix
rename to nix/std/cells/julia2nix/devshellProfiles/checks.nix
index ccbdb32..1ec0822 100644
--- a/nix/julia2nix/devshellProfiles/checks.nix
+++ b/nix/std/cells/julia2nix/devshellProfiles/checks.nix
@@ -1,12 +1,11 @@
+{ inputs, cell }:
 {
-  inputs,
-  cell,
-}: {
   config,
   lib,
   pkgs,
   ...
-}: {
+}:
+{
   commands = [
     {
       name = "checks-GR";
diff --git a/nix/julia2nix/devshellProfiles/default.nix b/nix/std/cells/julia2nix/devshellProfiles/default.nix
similarity index 83%
rename from nix/julia2nix/devshellProfiles/default.nix
rename to nix/std/cells/julia2nix/devshellProfiles/default.nix
index d328754..f29e039 100644
--- a/nix/julia2nix/devshellProfiles/default.nix
+++ b/nix/std/cells/julia2nix/devshellProfiles/default.nix
@@ -1,8 +1,7 @@
+{ inputs, cell }@args:
+let
+in
 {
-  inputs,
-  cell,
-} @ args: let
-in {
   packages = import ./packages.nix args;
   checks = import ./checks.nix args;
   dev = import ./dev.nix args;
diff --git a/nix/julia2nix/devshellProfiles/dev.nix b/nix/std/cells/julia2nix/devshellProfiles/dev.nix
similarity index 79%
rename from nix/julia2nix/devshellProfiles/dev.nix
rename to nix/std/cells/julia2nix/devshellProfiles/dev.nix
index 97f12d7..6e7f5b1 100644
--- a/nix/julia2nix/devshellProfiles/dev.nix
+++ b/nix/std/cells/julia2nix/devshellProfiles/dev.nix
@@ -1,19 +1,18 @@
+{ inputs, cell }:
 {
-  inputs,
-  cell,
-}: {
   config,
   lib,
   pkgs,
   ...
-}: {
+}:
+{
   commands = lib.optionals pkgs.stdenv.buildPlatform.isLinux [
     {
       name = "jlfmt";
       category = "dev";
       help = "Julia formatter";
       command = ''
-        ${cell.nixago.juliaFormatter}/bin/format.jl "$@"
+        ${cell.configs.juliaFormatter}/bin/format.jl "$@"
       '';
     }
   ];
diff --git a/nix/std/cells/julia2nix/devshellProfiles/nightly.nix b/nix/std/cells/julia2nix/devshellProfiles/nightly.nix
new file mode 100644
index 0000000..b8f4777
--- /dev/null
+++ b/nix/std/cells/julia2nix/devshellProfiles/nightly.nix
@@ -0,0 +1,18 @@
+{ inputs, cell }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  commands =
+    lib.optionals (pkgs.system != "x86_64-darwin")
+      [
+        # {
+        #   name = "julia-nightly";
+        #   command = "${cell.packages.julia_nightly-bin}/bin/julia";
+        #   help = "julia nightly version";
+        # }
+      ];
+}
diff --git a/nix/julia2nix/devshellProfiles/packages.nix b/nix/std/cells/julia2nix/devshellProfiles/packages.nix
similarity index 88%
rename from nix/julia2nix/devshellProfiles/packages.nix
rename to nix/std/cells/julia2nix/devshellProfiles/packages.nix
index 89d4f5d..4b7f4ca 100644
--- a/nix/julia2nix/devshellProfiles/packages.nix
+++ b/nix/std/cells/julia2nix/devshellProfiles/packages.nix
@@ -1,17 +1,16 @@
+{ inputs, cell }:
 {
-  inputs,
-  cell,
-}: {
   config,
   lib,
   pkgs,
   ...
-}: let
+}:
+let
   inherit (cell) packages;
-in {
+in
+{
   commands =
-    [
-    ]
+    [ ]
     ++ lib.optionals (pkgs.system == "x86_64-darwin") [
       {
         # FIXME: 1.8.0 init issue
@@ -37,8 +36,9 @@ in {
       }
     ];
 
-  packages = with pkgs;
-    lib.optionals pkgs.stdenv.isLinux []
+  packages =
+    with pkgs;
+    lib.optionals pkgs.stdenv.isLinux [ ]
     ++ [
       alejandra
       nixUnstable
diff --git a/nix/julia2nix/devshellProfiles/update.nix b/nix/std/cells/julia2nix/devshellProfiles/update.nix
similarity index 81%
rename from nix/julia2nix/devshellProfiles/update.nix
rename to nix/std/cells/julia2nix/devshellProfiles/update.nix
index 3a0a2dc..606101a 100644
--- a/nix/julia2nix/devshellProfiles/update.nix
+++ b/nix/std/cells/julia2nix/devshellProfiles/update.nix
@@ -1,12 +1,11 @@
+{ inputs, cell }:
 {
-  inputs,
-  cell,
-}: {
   config,
   lib,
   pkgs,
   ...
-}: {
+}:
+{
   commands = [
     {
       name = "nvfetcher-update";
@@ -16,7 +15,7 @@
         fi
         nix develop github:GTrunSec/std-ext#devShells.x86_64-linux.update \
         --refresh --command \
-        nvfetcher-update nix/julia2nix/packages/toolchain/sources.toml
+        nvfetcher-update nix/std/cells/julia2nix/packages/toolchain/sources.toml
       '';
       help = "Generate nix sources expr for the latest version of packages";
     }
diff --git a/nix/julia2nix/devshells/default.nix b/nix/std/cells/julia2nix/devshells/default.nix
similarity index 77%
rename from nix/julia2nix/devshells/default.nix
rename to nix/std/cells/julia2nix/devshells/default.nix
index f6aabcb..1e941b2 100644
--- a/nix/julia2nix/devshells/default.nix
+++ b/nix/std/cells/julia2nix/devshells/default.nix
@@ -1,12 +1,13 @@
-{
-  inputs,
-  cell,
-} @ args: let
+{ inputs, cell }@args:
+let
   l = nixpkgs.lib // builtins;
+  inherit (std) lib;
   inherit (inputs) nixpkgs std self;
 in
-  l.mapAttrs (_: std.lib.dev.mkShell) {
-    default = {extraModulesPath, ...}: {
+l.mapAttrs (_: std.lib.dev.mkShell) {
+  default =
+    { extraModulesPath, ... }:
+    {
       name = "Julia2Nix";
 
       git.hooks = {
@@ -15,7 +16,9 @@ in
       };
 
       nixago = [
-        cell.nixago.treefmt
+        (lib.dev.mkNixago std.lib.cfg.treefmt cell.configs.treefmt.default
+          cell.configs.treefmt.custom
+        )
       ];
 
       imports =
@@ -61,19 +64,11 @@ in
       env = [
         {
           name = "NIX_PATH";
-          value = "nixpkgs=${nixpkgs.path}";
+          value = "nixpkgs=${inputs.nixpkgs-lock.outPath}";
         }
       ];
     };
-    packages = {pkgs, ...}: {
-      imports = [
-        cell.devshellProfiles.packages
-      ];
-    };
+  packages = { pkgs, ... }: { imports = [ cell.devshellProfiles.packages ]; };
 
-    update = {...}: {
-      imports = [
-        cell.devshellProfiles.update
-      ];
-    };
-  }
+  update = { ... }: { imports = [ cell.devshellProfiles.update ]; };
+}
diff --git a/nix/julia2nix/devshells/main.toml b/nix/std/cells/julia2nix/devshells/main.toml
similarity index 100%
rename from nix/julia2nix/devshells/main.toml
rename to nix/std/cells/julia2nix/devshells/main.toml
diff --git a/nix/std/cells/julia2nix/entrypoints/default.nix b/nix/std/cells/julia2nix/entrypoints/default.nix
new file mode 100644
index 0000000..573698d
--- /dev/null
+++ b/nix/std/cells/julia2nix/entrypoints/default.nix
@@ -0,0 +1,66 @@
+{ inputs, cell }:
+let
+  inherit (nixpkgs) writeShellApplication;
+  inherit (inputs) nixpkgs;
+in
+{
+  mkdoc =
+    let
+      juliaDoc = cell.lib.buildEnv {
+        name = "julia-doc";
+        src = ./doc;
+        package = cell.lib.julia-wrapped { package = cell.packages.julia_19-bin; };
+      };
+    in
+    writeShellApplication {
+      name = "mkdoc";
+      runtimeInputs =
+        [
+          # juliaDoc
+          nixpkgs.julia_19-bin
+        ];
+      text = ''
+        julia --project="$*" -e 'using Pkg; Pkg.develop(PackageSpec(; path=pwd())); Pkg.instantiate();'
+        julia --project="$*" "$*"/make.jl deploy
+        # find "$*" -type l -exec bash ${./fix-symlink.sh} {} +
+      '';
+    };
+
+  ion =
+    let
+      julia-ion =
+        (cell.lib.buildEnv {
+          name = "julia-ion";
+          src = ./ion;
+          extraDepot = {
+            extraJulia2nix = {
+              fetchzip.artifact-1fce04a1a7eedfdf2b0b81ca9001494525764e11 = {
+                name = "artifacts/1fce04a1a7eedfdf2b0b81ca9001494525764e11";
+                sha256 = "sha256-YlrXTPJLJGjHLjoVkuygwtTV6kFUIO2VHZXwf3COIt0=";
+                stripRoot = false;
+                url = "https://pkg.julialang.org/artifact/1fce04a1a7eedfdf2b0b81ca9001494525764e11#artifact.tar.gz";
+              };
+            };
+          };
+          package = cell.lib.julia-wrapped { package = cell.packages.julia_19-bin; };
+        }).overrideAttrs
+          (
+            old: {
+              buildInputs = old.buildInputs ++ [ nixpkgs.rsync ];
+              postInstall = ''
+
+                $out/bin/julia -e 'using Ion; Ion.comonicon_install()';
+                # make sure we can write the ./julia/bin/* in our $out/store
+                rsync -avzhr $HOME/.julia/ $out
+              '';
+            }
+          );
+    in
+    writeShellApplication {
+      name = "julia-ion";
+      runtimeInputs = [ julia-ion ];
+      text = ''
+        ion "$@"
+      '';
+    };
+}
diff --git a/nix/julia2nix/entrypoints/doc/Manifest.toml b/nix/std/cells/julia2nix/entrypoints/doc/Manifest.toml
similarity index 100%
rename from nix/julia2nix/entrypoints/doc/Manifest.toml
rename to nix/std/cells/julia2nix/entrypoints/doc/Manifest.toml
diff --git a/nix/julia2nix/entrypoints/doc/Project.toml b/nix/std/cells/julia2nix/entrypoints/doc/Project.toml
similarity index 100%
rename from nix/julia2nix/entrypoints/doc/Project.toml
rename to nix/std/cells/julia2nix/entrypoints/doc/Project.toml
diff --git a/nix/julia2nix/entrypoints/doc/julia2nix.toml b/nix/std/cells/julia2nix/entrypoints/doc/julia2nix.toml
similarity index 100%
rename from nix/julia2nix/entrypoints/doc/julia2nix.toml
rename to nix/std/cells/julia2nix/entrypoints/doc/julia2nix.toml
diff --git a/nix/julia2nix/entrypoints/fix-symlink.sh b/nix/std/cells/julia2nix/entrypoints/fix-symlink.sh
similarity index 100%
rename from nix/julia2nix/entrypoints/fix-symlink.sh
rename to nix/std/cells/julia2nix/entrypoints/fix-symlink.sh
diff --git a/nix/julia2nix/entrypoints/ion/Manifest.toml b/nix/std/cells/julia2nix/entrypoints/ion/Manifest.toml
similarity index 100%
rename from nix/julia2nix/entrypoints/ion/Manifest.toml
rename to nix/std/cells/julia2nix/entrypoints/ion/Manifest.toml
diff --git a/nix/julia2nix/entrypoints/ion/Project.toml b/nix/std/cells/julia2nix/entrypoints/ion/Project.toml
similarity index 100%
rename from nix/julia2nix/entrypoints/ion/Project.toml
rename to nix/std/cells/julia2nix/entrypoints/ion/Project.toml
diff --git a/nix/julia2nix/entrypoints/ion/julia2nix.toml b/nix/std/cells/julia2nix/entrypoints/ion/julia2nix.toml
similarity index 100%
rename from nix/julia2nix/entrypoints/ion/julia2nix.toml
rename to nix/std/cells/julia2nix/entrypoints/ion/julia2nix.toml
diff --git a/nix/std/cells/julia2nix/lib/default.nix b/nix/std/cells/julia2nix/lib/default.nix
new file mode 100644
index 0000000..8e76814
--- /dev/null
+++ b/nix/std/cells/julia2nix/lib/default.nix
@@ -0,0 +1,17 @@
+{ inputs, cell }:
+let
+  nixpkgs = inputs.nixpkgs.appendOverlays [ cell.overlays.default ];
+in
+{
+  inherit (nixpkgs.lib)
+    installBin
+    installApp
+    buildDepot
+    buildEnv
+    buildProject
+    julia-wrapped
+  ;
+
+  # patches ["a" "b"]
+  # patches = list: ;
+}
diff --git a/nix/std/cells/julia2nix/overlays/builder/default.nix b/nix/std/cells/julia2nix/overlays/builder/default.nix
new file mode 100644
index 0000000..e5ccff2
--- /dev/null
+++ b/nix/std/cells/julia2nix/overlays/builder/default.nix
@@ -0,0 +1,122 @@
+{
+  stdenv,
+  julia_19-bin,
+  runCommand,
+  makeWrapper,
+  lib,
+  ...
+}:
+{
+  package ? julia_19-bin,
+  extraLibs ? [ ],
+  src,
+  importManifest ? src + "/Manifest.toml",
+  importProject ? src + "/Project.toml",
+  extraBuildInputs ? [ ],
+  julia2nix ? src + "/julia2nix.toml",
+  precompile ? true,
+  extraInstallPhase ? "",
+  extraStartup ? "",
+  makeWrapperArgs ? [ ],
+  extraDepot ? { },
+  saveRegistry ? false,
+  ...
+}@args:
+let
+  # Extra libraries for Julia's LD_LIBRARY_PATH.
+  # Recent Julia packages that use Artifacts.toml to specify their dependencies
+  # shouldn't need this.
+  # But if a package implicitly depends on some library being present at runtime, you can
+  # add it here.
+  # extraLibs = [ ];
+  # Wrapped Julia with libraries and environment variables.
+  # Note: setting The PYTHON environment variable is recommended to prevent packages
+  # from trying to obtain their own with Conda.
+  depotPath = lib.buildDepot (
+    lib.recursiveUpdate { inherit julia2nix; } extraDepot
+  );
+in
+stdenv.mkDerivation {
+  name = (lib.importTOML importProject).name or args.name;
+  buildInputs = [ makeWrapper ] ++ extraBuildInputs;
+  inherit
+    src
+    precompile
+    makeWrapperArgs
+    depotPath
+  ;
+
+  preInstall = ''
+    mkdir -p $out
+    mkdir -p $out/config
+
+    export HOME=$(pwd)
+    echo "Copying dependencies"
+    export JULIA_DEPOT_PATH=$out
+    cp -rf --no-preserve=mode,ownership ${depotPath}/packages $out
+    if [ -d "${depotPath}/artifacts" ]; then
+    cp -rf --no-preserve=mode,ownership ${depotPath}/artifacts $out
+    fi
+
+    cp -rf --no-preserve=mode,ownership ${importProject} Project.toml
+    cp -rf --no-preserve=mode,ownership ${importManifest} Manifest.toml
+
+    cat > $out/startup.jl <<EOF
+    push!(Base.DEPOT_PATH, "${placeholder "out"}")
+    import Pkg
+    Pkg.activate("${src}")
+    ${extraStartup}
+    EOF
+  '';
+  installPhase = ''
+     runHook preInstall
+
+     echo "instantiating Packages"
+
+     ${extraInstallPhase}
+
+     #exec patched.bash
+     for i in $(find $out/* -iname 'patched.bash' -type l); do
+         bash $i
+     done
+
+     ${package}/bin/julia -e ' \
+     using Pkg
+       Pkg.Registry.add(RegistrySpec(path="${depotPath}/registries/General"))
+       Pkg.activate(".")
+       Pkg.instantiate()
+       '
+
+     # https://github.com/JuliaLang/Pkg.jl/issues/3067
+     # https://github.com/GunnarFarneback/LocalRegistry.jl
+     # Do you need the local registry instead?
+     TMPDIR=$(mktemp -d -p /tmp)
+
+
+     makeWrapper ${package}/bin/julia $out/bin/julia \
+     --add-flags "-L $out/startup.jl" \
+     --suffix JULIA_DEPOT_PATH : $TMPDIR $makeWrapperArgs
+
+    # make sure the patchShebangs replaces the shebangs with the $out/bin/julia path
+    export PATH=$out/bin:$PATH
+    patchShebangs --build $out/bin
+
+    if [[ -n "$precompile" ]]; then
+    $out/bin/julia -e ' \
+      using Pkg
+      Pkg.activate(".")
+      Pkg.precompile()
+    '
+    fi
+
+    runHook postInstall
+  '';
+
+  postFixup = ''
+    # Remove the registry to save space
+    ${lib.optionalString (!saveRegistry) ''
+      julia -e 'using Pkg; Pkg.Registry.rm("General")'
+    ''}
+  '';
+  meta.mainProgram = "julia";
+}
diff --git a/nix/std/cells/julia2nix/overlays/builder/depot.nix b/nix/std/cells/julia2nix/overlays/builder/depot.nix
new file mode 100644
index 0000000..8b10b26
--- /dev/null
+++ b/nix/std/cells/julia2nix/overlays/builder/depot.nix
@@ -0,0 +1,97 @@
+{
+  stdenvNoCC,
+  lib,
+  symlinkJoin,
+  callPackage,
+  git,
+  pkgs,
+  writers,
+  ...
+}:
+{
+  julia2nix,
+  extraJulia2nix ? { },
+  ...
+}:
+let
+  fetches = [
+    "fetchzip"
+    "fetchgit"
+    "fetchTarball"
+    "fetchGit"
+  ];
+
+  selectFetcher = lib.flatten (
+    (attr: (map (name: (lib.optionals (lib.hasAttr name attr) name)) fetches))
+      (lib.importTOML julia2nix).depot.${stdenvNoCC.system}
+  );
+
+  depots =
+    let
+      concatAttrs =
+        let
+          f =
+            x:
+            lib.foldr (n: acc: acc // lib.mapAttrs (_: v: v) (x.${n})) { } (
+              lib.attrNames x
+            );
+        in
+        f;
+    in
+    concatAttrs (
+      lib.listToAttrs (
+        map
+          (name: {
+            inherit name;
+            value = lib.mapAttrs (_: (lib.getAttrFromPath [ name ]) (pkgs // builtins)) (
+              (lib.recursiveUpdate (lib.importTOML julia2nix).depot.${stdenvNoCC.system}
+                extraJulia2nix
+              )."${name}"
+            );
+          })
+          selectFetcher
+      )
+    );
+
+  srcs =
+    lib.mapAttrs
+      (
+        n: v:
+        let
+          path = lib.replaceStrings [ "-" ] [ "/" ] v.name;
+          patches = import ./patches.nix { inherit path; };
+          name' = lib.last (lib.splitString "-" n);
+          patch-context = lib.hasAttrByPath [ "${name'}" ] patches;
+        in
+        stdenvNoCC.mkDerivation {
+          name = n;
+          src = v;
+          dontConfigure = true;
+          dontBuild = true;
+          dontFixup = true;
+          sourceRoot = ".";
+          installPhase =
+            ''
+              runHook preInstall
+
+              mkdir -p $out/${path}
+              cp -rf --no-preserve=mode,ownership $src/* $out/${path}
+
+              runHook postInstall
+            ''
+            + lib.optionalString patch-context (
+              let
+                context = writers.writeBash "update-epgstation" patches."${name'}";
+              in
+              ''
+                cp -rf --no-preserve=mode,ownership ${context} $out/${path}/patched.bash
+              ''
+            );
+        }
+      )
+      depots;
+in
+symlinkJoin {
+  name = "julia-depot";
+  paths = lib.attrValues srcs;
+}
diff --git a/nix/julia2nix/overlays/builder/patches.nix b/nix/std/cells/julia2nix/overlays/builder/patches.nix
similarity index 98%
rename from nix/julia2nix/overlays/builder/patches.nix
rename to nix/std/cells/julia2nix/overlays/builder/patches.nix
index 14ab88b..641b9d2 100644
--- a/nix/julia2nix/overlays/builder/patches.nix
+++ b/nix/std/cells/julia2nix/overlays/builder/patches.nix
@@ -1,4 +1,5 @@
-{path}: {
+{ path }:
+{
   Conda = ''
     mkdir -p $out/conda/3
     cat > $out/${path}/deps/deps.jl <<EOF
diff --git a/nix/std/cells/julia2nix/overlays/default.nix b/nix/std/cells/julia2nix/overlays/default.nix
new file mode 100644
index 0000000..b3bc6cf
--- /dev/null
+++ b/nix/std/cells/julia2nix/overlays/default.nix
@@ -0,0 +1,50 @@
+{ inputs, cell }:
+{
+  default = final: prev: rec {
+    lib = prev.lib.extend (
+      lfinal: lprev: rec {
+        installApp = import ./installApp.nix final;
+
+        buildDepot = args: import ./builder/depot.nix final args;
+
+        buildEnv = args: (import ./builder final) args;
+
+        buildProject =
+          { ... }@args:
+          (buildEnv args // { }).overrideAttrs (
+            old: {
+              preInstall =
+                old.preInstall
+                + ''
+                  cp -r ${args.src} $out/src
+                '';
+
+              makeWrapperArgs = [ "--add-flags --project=${placeholder "out"}/src" ];
+            }
+          );
+
+        installBin = args: (import ./installBin.nix final) args;
+
+        julia-wrapped = args: (import ./julia-wrapped.nix final) args;
+      }
+    );
+
+    julia_17-bin = cell.packages.julia_17-bin;
+
+    julia_19-bin = cell.packages.julia_19-bin;
+
+    julia_nightly-bin = cell.packages.julia_nightly-bin;
+
+    julia-sources =
+      prev.callPackage ../packages/toolchain/_sources/generated.nix
+        { };
+
+    patch-sources = prev.callPackage ./patches/_sources/generated.nix { };
+
+    gr = prev.callPackage ./patches/gr.nix { inherit patch-sources; };
+
+    julia-fhs = prev.callPackage ../packages/fhs { pkgs = final; } { };
+
+    conda = prev.callPackage ./patches/conda.nix { };
+  };
+}
diff --git a/nix/std/cells/julia2nix/overlays/installApp.nix b/nix/std/cells/julia2nix/overlays/installApp.nix
new file mode 100644
index 0000000..cd05f65
--- /dev/null
+++ b/nix/std/cells/julia2nix/overlays/installApp.nix
@@ -0,0 +1,63 @@
+{
+  stdenvNoCC,
+  lib,
+  fetchurl,
+  undmg,
+  julia-sources,
+  system,
+  ...
+}:
+{
+  version,
+  postInstall ? "",
+  sourceRoot ? ".",
+  extraBuildInputs ? [ ],
+  ...
+}:
+let
+  version' = import ./version.nix {
+    inherit
+      lib
+      version
+      julia-sources
+      system
+    ;
+  };
+in
+stdenvNoCC.mkDerivation {
+  pname =
+    lib.elemAt
+      (lib.splitString "-" julia-sources."julia-${version}-${system}".pname)
+      0;
+  inherit (julia-sources."julia-${version}-${system}") src;
+  version = version'.default;
+
+  buildInputs = [ undmg ] ++ extraBuildInputs;
+
+  inherit sourceRoot;
+
+  phases = [
+    "unpackPhase"
+    "installPhase"
+  ];
+
+  installPhase =
+    let
+      appname = "Julia-${version}";
+    in
+    ''
+      runHook preInstall
+
+      mkdir -p "$out/Applications"
+      cp -r *.app "$out/Applications"
+      ln -s $out/Applications/*.app/Contents/Resources/julia/bin $out/bin
+
+    ''
+    + postInstall;
+
+  meta = {
+    platforms = lib.platforms.darwin;
+    mainProgram = "julia";
+    description = "${version}: High-level, high-performance, dynamic language for technical computing";
+  };
+}
diff --git a/nix/std/cells/julia2nix/overlays/installBin.nix b/nix/std/cells/julia2nix/overlays/installBin.nix
new file mode 100644
index 0000000..d06b163
--- /dev/null
+++ b/nix/std/cells/julia2nix/overlays/installBin.nix
@@ -0,0 +1,75 @@
+{
+  stdenv,
+  lib,
+  autoPatchelfHook,
+  julia-sources,
+  system,
+  ...
+}:
+{ version }:
+let
+  version' = import ./version.nix {
+    inherit
+      lib
+      version
+      julia-sources
+      system
+    ;
+  };
+in
+stdenv.mkDerivation {
+  inherit (julia-sources."julia-${version}-${system}") src;
+  pname =
+    lib.elemAt
+      (lib.splitString "-" julia-sources."julia-${version}-${system}".pname)
+      0;
+  version = version'.default;
+  nativeBuildInputs = lib.optionals stdenv.hostPlatform.isLinux [
+    autoPatchelfHook
+  ];
+
+  postPatch = ''
+    # Julia fails to pick up our Certification Authority root certificates, but
+    # it provides its own so we can simply disable the test. Patching in the
+    # dynamic path to ours require us to rebuild the Julia system image.
+    substituteInPlace share/julia/stdlib/v${version'.major}/NetworkOptions/test/runtests.jl \
+      --replace '@test ca_roots_path() != bundled_ca_roots()' \
+        '@test_skip ca_roots_path() != bundled_ca_roots()'
+  '';
+
+  dontStrip = true;
+  dontConfigure = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out
+
+    mv {bin,etc,include,lib,libexec,share} $out
+
+    runHook postInstall
+  '';
+
+  doInstallCheck = false;
+  preInstallCheck = ''
+    export JULIA_TEST_USE_MULTIPLE_WORKERS=true
+    # Some tests require read/write access to $HOME.
+    export HOME="$TMPDIR"
+  '';
+
+  installCheckPhase = ''
+    runHook preInstallCheck
+    # Command lifted from `test/Makefile`.
+    $out/bin/julia \
+      --check-bounds=yes \
+      --startup-file=no \
+      --depwarn=error \
+      $out/share/julia/test/runtests.jl
+    runHook postInstallCheck
+  '';
+
+  meta = {
+    mainProgram = "julia";
+    description = "${version}: High-level, high-performance, dynamic language for technical computing";
+  };
+}
diff --git a/nix/julia2nix/overlays/julia-wrapped.nix b/nix/std/cells/julia2nix/overlays/julia-wrapped.nix
similarity index 51%
rename from nix/julia2nix/overlays/julia-wrapped.nix
rename to nix/std/cells/julia2nix/overlays/julia-wrapped.nix
index 38e0c74..22563f2 100644
--- a/nix/julia2nix/overlays/julia-wrapped.nix
+++ b/nix/std/cells/julia2nix/overlays/julia-wrapped.nix
@@ -8,30 +8,31 @@
   symlinkJoin,
   cacert,
   ...
-}: {
+}:
+{
   package ? julia_19-bin,
-  makeWrapperArgs ? [],
-  enable ? {},
-  meta ? {},
-  extraBuildInputs ? [],
+  makeWrapperArgs ? [ ],
+  enable ? { },
+  meta ? { },
+  extraBuildInputs ? [ ],
   ...
-}: let
+}:
+let
   enable' =
-    lib.recursiveUpdate {
-      GR = false;
-      python = {};
-    }
-    enable;
+    lib.recursiveUpdate
+      {
+        GR = false;
+        python = { };
+      }
+      enable;
 
   makeWrapperArgs_ =
-    lib.optionals (extraBuildInputs != []) [
+    lib.optionals (extraBuildInputs != [ ]) [
       "--prefix PATH : ${lib.makeBinPath extraBuildInputs}"
       "--suffix LD_LIBRARY_PATH ':' ${lib.makeLibraryPath extraBuildInputs}"
     ]
-    ++ lib.optionals enable'.GR [
-      "--set GRDIR ${gr}"
-    ]
-    ++ lib.optionals (enable'.python != {}) [
+    ++ lib.optionals enable'.GR [ "--set GRDIR ${gr}" ]
+    ++ lib.optionals (enable'.python != { }) [
       "--set PYTHON ${enable'.python}/bin/python"
       "--set PYTHONPATH ${enable'.python}/${enable'.python.sitePackages}"
       "--set PYTHONLIB ${enable'.python}/lib/libpython${enable'.python.pythonVersion}.so"
@@ -47,24 +48,33 @@
     ]
     ++ makeWrapperArgs;
   meta' =
-    lib.recursiveUpdate {
-      mainProgram = "julia";
-      description = "julia-wrapped mainProgram";
-    }
-    meta;
+    lib.recursiveUpdate
+      {
+        mainProgram = "julia";
+        description = "julia-wrapped mainProgram";
+      }
+      meta;
 
   julia-wrapped =
-    runCommand "julia-wrapped" {
-      buildInputs = [makeWrapper package];
-      inherit makeWrapperArgs_;
-      meta = meta';
-    } ''
-      mkdir -p $out
-      makeWrapper ${package}/bin/julia $out/bin/${meta'.mainProgram} $makeWrapperArgs_ \
-      --set GDK_BACKEND "x11,*"
-    '';
+    runCommand "julia-wrapped"
+      {
+        buildInputs = [
+          makeWrapper
+          package
+        ];
+        inherit makeWrapperArgs_;
+        meta = meta';
+      }
+      ''
+        mkdir -p $out
+        makeWrapper ${package}/bin/julia $out/bin/${meta'.mainProgram} $makeWrapperArgs_ \
+        --set GDK_BACKEND "x11,*"
+      '';
 in
-  symlinkJoin {
-    name = "julia";
-    paths = [julia-wrapped package];
-  }
+symlinkJoin {
+  name = "julia";
+  paths = [
+    julia-wrapped
+    package
+  ];
+}
diff --git a/nix/julia2nix/overlays/patches/_sources/generated.json b/nix/std/cells/julia2nix/overlays/patches/_sources/generated.json
similarity index 100%
rename from nix/julia2nix/overlays/patches/_sources/generated.json
rename to nix/std/cells/julia2nix/overlays/patches/_sources/generated.json
diff --git a/nix/julia2nix/overlays/patches/_sources/generated.nix b/nix/std/cells/julia2nix/overlays/patches/_sources/generated.nix
similarity index 100%
rename from nix/julia2nix/overlays/patches/_sources/generated.nix
rename to nix/std/cells/julia2nix/overlays/patches/_sources/generated.nix
diff --git a/nix/std/cells/julia2nix/overlays/patches/conda.nix b/nix/std/cells/julia2nix/overlays/patches/conda.nix
new file mode 100644
index 0000000..354c11a
--- /dev/null
+++ b/nix/std/cells/julia2nix/overlays/patches/conda.nix
@@ -0,0 +1,23 @@
+{
+  runCommand,
+  fetchurl,
+  makeWrapper,
+  installationPath ? "~/.conda",
+}:
+let
+  conda_version = "4.6.14";
+  conda_src = fetchurl {
+    url = "https://repo.continuum.io/miniconda/Miniconda3-${conda_version}-Linux-x86_64.sh";
+    sha256 = "1gn43z1y5zw4yv93q1qajwbmmqs83wx5ls5x4i4llaciba4j6sqd";
+  };
+in
+runCommand "conda-install" { buildInputs = [ makeWrapper ]; } ''
+  mkdir -p $out/bin
+  cp ${conda_src} $out/bin/miniconda-installer.sh
+  chmod +x $out/bin/miniconda-installer.sh
+  makeWrapper                            \
+    $out/bin/miniconda-installer.sh      \
+    $out/bin/conda-install               \
+    --add-flags "-p ${installationPath}" \
+    --add-flags "-b"
+''
diff --git a/nix/std/cells/julia2nix/overlays/patches/gr.nix b/nix/std/cells/julia2nix/overlays/patches/gr.nix
new file mode 100644
index 0000000..7f3c90d
--- /dev/null
+++ b/nix/std/cells/julia2nix/overlays/patches/gr.nix
@@ -0,0 +1,57 @@
+{
+  stdenv,
+  patch-sources,
+  fetchurl,
+  lib,
+  qt5,
+  libGL,
+  xorg,
+  system,
+}:
+let
+  mainDependencies = [
+    qt5.qtbase
+    qt5.qtsvg
+    stdenv.cc.cc.lib
+    libGL
+    xorg.libXt
+    xorg.libX11
+    xorg.libXrender
+    xorg.libXext
+  ];
+in
+stdenv.mkDerivation {
+  name = "GR";
+
+  version = "latest";
+
+  inherit (patch-sources."gr-latest-${system}") pname src;
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  nativeBuildInputs = [ qt5.wrapQtAppsHook ];
+
+  installPhase = ''
+    mkdir -p $out
+    cp -r ./* $out
+  '';
+
+  preFixup =
+    let
+      libPath = lib.makeLibraryPath (mainDependencies ++ [ xorg.libxcb ]);
+    in
+    ''
+      patchelf \
+        --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
+        --set-rpath "${libPath}" \
+        $out/bin/gksqt
+    '';
+
+  propagatedBuildInputs = mainDependencies ++ [
+    xorg.libxcb
+    xorg.xcbproto
+    xorg.xcbutil
+  ];
+  meta.mainProgram = "gksqt";
+}
diff --git a/nix/julia2nix/overlays/patches/sources.toml b/nix/std/cells/julia2nix/overlays/patches/sources.toml
similarity index 100%
rename from nix/julia2nix/overlays/patches/sources.toml
rename to nix/std/cells/julia2nix/overlays/patches/sources.toml
diff --git a/nix/std/cells/julia2nix/overlays/version.nix b/nix/std/cells/julia2nix/overlays/version.nix
new file mode 100644
index 0000000..35bcd7f
--- /dev/null
+++ b/nix/std/cells/julia2nix/overlays/version.nix
@@ -0,0 +1,22 @@
+{
+  lib,
+  version,
+  julia-sources,
+  system,
+}:
+let
+  l = lib // builtins;
+  version' =
+    lib.elemAt
+      (lib.splitString "-" julia-sources."julia-${version}-${system}".version)
+      0;
+  nightly =
+    lib.elemAt
+      (lib.splitString "-" julia-sources."julia-${version}-${system}".pname)
+      1;
+  major = l.substring 0 3 version';
+in
+{
+  default = if nightly == "nightly" then "1.10" + "-${version'}" else version';
+  major = if nightly == "nightly" then "1.10" else major;
+}
diff --git a/nix/std/cells/julia2nix/packages/default.nix b/nix/std/cells/julia2nix/packages/default.nix
new file mode 100644
index 0000000..14c0a4c
--- /dev/null
+++ b/nix/std/cells/julia2nix/packages/default.nix
@@ -0,0 +1,124 @@
+{ inputs, cell }:
+let
+  inherit (inputs) std self main;
+
+  l = inputs.nixpkgs.lib // builtins;
+
+  src = std.incl main [
+    "src"
+    "julia2nix.toml"
+    "Project.toml"
+    "Manifest.toml"
+  ];
+
+  nixpkgs = inputs.nixpkgs.appendOverlays [ cell.overlays.default ];
+in
+{
+  inherit (nixpkgs) gr conda;
+
+  julia-fhs = nixpkgs.julia-fhs "julia" "julia";
+
+  julia_17-bin =
+    (
+      version:
+      l.optionalAttrs
+        (nixpkgs.system == "x86_64-darwin" || nixpkgs.system == "aarch64-darwin")
+        (cell.lib.installApp { inherit version; })
+      //
+        l.optionalAttrs
+          (nixpkgs.system == "aarch64-linux" || nixpkgs.system == "x86_64-linux")
+          (cell.lib.installBin { inherit version; })
+    )
+      "17";
+
+  julia_19-bin =
+    (
+      version:
+      l.optionalAttrs
+        (nixpkgs.system == "aarch64-darwin" || nixpkgs.system == "x86_64-darwin")
+        (cell.lib.installApp { inherit version; })
+      //
+        l.optionalAttrs
+          (nixpkgs.system == "x86_64-linux" || nixpkgs.system == "aarch64-linux")
+          (cell.lib.installBin { inherit version; })
+    )
+      "19";
+
+  julia_nightly-bin =
+    (
+      version:
+      l.optionalAttrs
+        (nixpkgs.system == "aarch64-darwin" || nixpkgs.system == "x86_64-darwin")
+        (cell.lib.installApp { inherit version; })
+      //
+        l.optionalAttrs
+          (nixpkgs.system == "x86_64-linux" || nixpkgs.system == "aarch64-linux")
+          (cell.lib.installBin { inherit version; })
+    )
+      "nightly-110";
+
+  julia-wrapped = cell.lib.julia-wrapped {
+    package = cell.packages.julia_19-bin;
+    enable = {
+      GR = true;
+      python = inputs.nixpkgs.python3.buildEnv.override {
+        extraLibs = with inputs.nixpkgs.python3Packages; [
+          xlrd
+          matplotlib
+          pyqt5
+        ];
+        ignoreCollisions = true;
+      };
+    };
+  };
+
+  build-depot = cell.lib.buildDepot {
+    julia2nix = "${std.incl inputs.main [ "julia2nix.toml" ]}/julia2nix.toml";
+  };
+
+  build-conda = cell.lib.buildEnv {
+    src = "${std.incl inputs.main [ "testenv" ]}/testenv/conda";
+    name = "build-conda";
+    package = cell.packages.julia-wrapped;
+    extraInstallPhase = with nixpkgs; "";
+  };
+
+  build-project = cell.lib.buildProject {
+    inherit src;
+    name = "julia-wrapped-julia2nix";
+    package = cell.lib.julia-wrapped {
+      makeWrapperArgs = [ "--set NIX_PATH nixpkgs=${inputs.nixpkgs-lock.outPath}" ];
+      extraBuildInputs = with inputs.nixpkgs; [
+        alejandra
+        nixUnstable
+        nix-prefetch
+        cacert
+      ];
+    };
+    saveRegistry = true;
+  };
+
+  julia2nix = inputs.nixpkgs.writeShellApplication {
+    name = "julia2nix";
+    runtimeInputs = [ cell.packages.build-project ];
+    text = ''
+      export NIX_PATH=${inputs.main.inputs.nixpkgs-lock.outPath}
+      julia ${std.incl self [ "testenv" ]}/testenv/writejulia2nix.jl ${nixpkgs.system}
+    '';
+  };
+
+  julia2nix-all = inputs.nixpkgs.writeShellApplication {
+    name = "julia2nix-write-all-systems";
+    runtimeInputs = [ cell.packages.build-project ];
+    text = ''
+      export NIX_PATH=${inputs.nixpkgs-lock.outPath}
+      julia ${std.incl self [ "testenv" ]}/testenv/writejulia2nix.jl
+    '';
+  };
+
+  build-env = cell.lib.buildEnv {
+    inherit src;
+    name = "Example-PackageDeps";
+    package = cell.packages.julia-wrapped;
+  };
+}
diff --git a/nix/julia2nix/packages/fhs/default.nix b/nix/std/cells/julia2nix/packages/fhs/default.nix
similarity index 77%
rename from nix/julia2nix/packages/fhs/default.nix
rename to nix/std/cells/julia2nix/packages/fhs/default.nix
index 766f351..4613541 100644
--- a/nix/julia2nix/packages/fhs/default.nix
+++ b/nix/std/cells/julia2nix/packages/fhs/default.nix
@@ -1,4 +1,5 @@
-{pkgs}: {
+{ pkgs }:
+{
   enableJulia ? true,
   enableConda ? true,
   juliaVersion ? "julia_19",
@@ -10,31 +11,34 @@
   enableNode ? true,
   ...
 }:
-with pkgs.lib; let
-  standardPackages = pkgs:
+with pkgs.lib;
+let
+  standardPackages =
+    pkgs:
     with pkgs;
-      [
-        autoconf
-        binutils
-        clang
-        cmake
-        curl
-        expat
-        gmp
-        gnumake
-        gperf
-        libxml2
-        m4
-        nss
-        openssl
-        stdenv.cc
-        unzip
-        util-linux
-        which
-      ]
-      ++ lib.optional enableNode pkgs.nodejs;
-
-  graphicalPackages = pkgs:
+    [
+      autoconf
+      binutils
+      clang
+      cmake
+      curl
+      expat
+      gmp
+      gnumake
+      gperf
+      libxml2
+      m4
+      nss
+      openssl
+      stdenv.cc
+      unzip
+      util-linux
+      which
+    ]
+    ++ lib.optional enableNode pkgs.nodejs;
+
+  graphicalPackages =
+    pkgs:
     with pkgs; [
       alsa-lib
       at-spi2-atk
@@ -72,7 +76,7 @@ with pkgs.lib; let
       pango
       pango.out
       pdf2svg
-      qt4
+      qt5.qtbase
       systemd
       xorg.libICE
       xorg.libSM
@@ -97,22 +101,32 @@ with pkgs.lib; let
       zlib
     ];
 
-  nvidiaPackages = pkgs:
+  nvidiaPackages =
+    pkgs:
     with pkgs; [
       cudatoolkit_11
       cudnn_cudatoolkit_11
       linuxPackages.nvidia_x11
     ];
 
-  juliaPackages = pkgs: version:
-    with pkgs; let
-      julias = callPackage ./julia.nix {};
-    in [julias."${version}"];
+  juliaPackages =
+    pkgs: version:
+    with pkgs;
+    let
+      julias = callPackage ./julia.nix { };
+    in
+    [ julias."${version}" ];
 
-  condaPackages = pkgs:
-    with pkgs; [(callPackage ../../overlays/patches/conda.nix {installationPath = condaInstallationPath;})];
+  condaPackages =
+    pkgs:
+    with pkgs; [
+      (callPackage ../../overlays/patches/conda.nix {
+        installationPath = condaInstallationPath;
+      })
+    ];
 
-  targetPkgs = pkgs:
+  targetPkgs =
+    pkgs:
     (standardPackages pkgs)
     ++ optionals enableGraphical (graphicalPackages pkgs)
     ++ optionals enableJulia (juliaPackages pkgs juliaVersion)
@@ -132,7 +146,11 @@ with pkgs.lib; let
   '';
 
   python = pkgs.python3.buildEnv.override {
-    extraLibs = with pkgs.python3Packages; [xlrd matplotlib pyqt5];
+    extraLibs = with pkgs.python3Packages; [
+      xlrd
+      matplotlib
+      pyqt5
+    ];
     ignoreCollisions = true;
   };
 
@@ -162,16 +180,20 @@ with pkgs.lib; let
     + optionalString (enableConda && enableJulia) conda_julia_envvars
     + optionalString enableNVIDIA nvidia_envvars;
 
-  extraOutputsToInstall = ["man" "dev"];
+  extraOutputsToInstall = [
+    "man"
+    "dev"
+  ];
 
-  multiPkgs = pkgs: with pkgs; [zlib];
+  multiPkgs = pkgs: with pkgs; [ zlib ];
 
   condaInitScript = ''
     conda-install
     conda create -n ${condaJlEnv} python=${pythonVersion}
   '';
 
-  fhsCommand = commandName: commandScript:
+  fhsCommand =
+    commandName: commandScript:
     pkgs.buildFHSUserEnv {
       targetPkgs = targetPkgs;
       name = commandName; # Name used to start this UserEnv
@@ -181,4 +203,4 @@ with pkgs.lib; let
       profile = envvars;
     };
 in
-  fhsCommand
+fhsCommand
diff --git a/nix/julia2nix/packages/fhs/julia.nix b/nix/std/cells/julia2nix/packages/fhs/julia.nix
similarity index 95%
rename from nix/julia2nix/packages/fhs/julia.nix
rename to nix/std/cells/julia2nix/packages/fhs/julia.nix
index 6455d7d..f64dba3 100644
--- a/nix/julia2nix/packages/fhs/julia.nix
+++ b/nix/std/cells/julia2nix/packages/fhs/julia.nix
@@ -11,8 +11,10 @@
   libGL,
   julia-sources,
   system,
-}: let
-  makeJulia = version:
+}:
+let
+  makeJulia =
+    version:
     stdenv.mkDerivation {
       name = "julia-${version}";
       inherit (julia-sources."julia-${version}-${system}") src pname version;
@@ -41,7 +43,8 @@
         libGL
       ];
     };
-in {
+in
+{
   julia_19 = makeJulia "19";
   julia_18 = makeJulia "18";
 }
diff --git a/nix/julia2nix/packages/toolchain/_sources/generated.json b/nix/std/cells/julia2nix/packages/toolchain/_sources/generated.json
similarity index 78%
rename from nix/julia2nix/packages/toolchain/_sources/generated.json
rename to nix/std/cells/julia2nix/packages/toolchain/_sources/generated.json
index 2c68745..5a68e4e 100644
--- a/nix/julia2nix/packages/toolchain/_sources/generated.json
+++ b/nix/std/cells/julia2nix/packages/toolchain/_sources/generated.json
@@ -68,11 +68,11 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-A2P1O6KmOgmX7aTetEk/hqNTs58+a8iYWvOHQLin1hI=",
+            "sha256": "sha256-zKczQExJufOc1niNrvV8S3oNciLUKx018A69bk/AP30=",
             "type": "url",
-            "url": "https://julialang-s3.julialang.org/bin/mac/aarch64/1.9/julia-1.9.1-macaarch64.dmg"
+            "url": "https://julialang-s3.julialang.org/bin/mac/aarch64/1.9/julia-1.9.3-macaarch64.dmg"
         },
-        "version": "1.9.1-macaarch64.dmg"
+        "version": "1.9.3-macaarch64.dmg"
     },
     "julia-19-aarch64-linux": {
         "cargoLocks": null,
@@ -83,11 +83,11 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-tkPM0+Kllg985wVSQ3Q9Cjm63aOXS849d4Yd02O63RA=",
+            "sha256": "sha256-VUN4efa5hHDZbEBIuSJQG2Q9//uIZavrkMczOoPfdSQ=",
             "type": "url",
-            "url": "https://julialang-s3.julialang.org/bin/linux/aarch64/1.9/julia-1.9.1-linux-aarch64.tar.gz"
+            "url": "https://julialang-s3.julialang.org/bin/linux/aarch64/1.9/julia-1.9.3-linux-aarch64.tar.gz"
         },
-        "version": "1.9.1-linux-aarch64.tar.gz"
+        "version": "1.9.3-linux-aarch64.tar.gz"
     },
     "julia-19-x86_64-darwin": {
         "cargoLocks": null,
@@ -98,11 +98,11 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-4TKER2c8R16KRmBXdhI8NeCG/7Y39rLOrwNs5lrRgyY=",
+            "sha256": "sha256-qceM0Bl4vWDoONWFWB5YdQMTVZw4CaoK585VLCza/jk=",
             "type": "url",
-            "url": "https://julialang-s3.julialang.org/bin/mac/x64/1.9/julia-1.9.1-mac64.dmg"
+            "url": "https://julialang-s3.julialang.org/bin/mac/x64/1.9/julia-1.9.3-mac64.dmg"
         },
-        "version": "1.9.1-mac64.dmg"
+        "version": "1.9.3-mac64.dmg"
     },
     "julia-19-x86_64-linux": {
         "cargoLocks": null,
@@ -113,11 +113,11 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-zeFKWPiZJR8wz87YcFVib0SEV4Blnr6NUMvExnsxmXw=",
+            "sha256": "sha256-12ZwzJuj4P1MFUXdPQAmnAaUl2oRdjEnlevOFpLTI9E=",
             "type": "url",
-            "url": "https://julialang-s3.julialang.org/bin/linux/x64/1.9/julia-1.9.1-linux-x86_64.tar.gz"
+            "url": "https://julialang-s3.julialang.org/bin/linux/x64/1.9/julia-1.9.3-linux-x86_64.tar.gz"
         },
-        "version": "1.9.1-linux-x86_64.tar.gz"
+        "version": "1.9.3-linux-x86_64.tar.gz"
     },
     "julia-nightly-110-aarch64-darwin": {
         "cargoLocks": null,
@@ -128,11 +128,11 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-pSbwYtXvvajrrd4EYThzhVPmGiv5OHZVCpUcTxe+ERo=",
+            "sha256": "sha256-f4WWN/2vDa4hqRcCqQ7lWFzGFdE1dkBpgtmdyJS+Otc=",
             "type": "url",
-            "url": "https://julialangnightlies-s3.julialang.org/bin/macos/aarch64/1.10/julia-a40dec12b3-macos-aarch64.dmg"
+            "url": "https://julialangnightlies-s3.julialang.org/bin/macos/aarch64/1.10/julia-be2c35a8d2-macos-aarch64.dmg"
         },
-        "version": "a40dec12b3"
+        "version": "be2c35a8d2"
     },
     "julia-nightly-110-aarch64-linux": {
         "cargoLocks": null,
@@ -143,11 +143,11 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-eoSfwMi4NudBfSmV1et0aBCiKbGDqbmsUuOGIJ2sCO4=",
+            "sha256": "sha256-Zgq6No/jKocvFakcK7r6QlE2ARIYMZonTGVBzZageKo=",
             "type": "url",
-            "url": "https://julialangnightlies-s3.julialang.org/bin/linux/aarch64/1.10/julia-a40dec12b3-linux-aarch64.tar.gz"
+            "url": "https://julialangnightlies-s3.julialang.org/bin/linux/aarch64/1.10/julia-be2c35a8d2-linux-aarch64.tar.gz"
         },
-        "version": "a40dec12b3"
+        "version": "be2c35a8d2"
     },
     "julia-nightly-110-x86_64-darwin": {
         "cargoLocks": null,
@@ -158,11 +158,11 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-JwwFwuGPFoBEZdEuFB3Bv8jxUoKE2cv6TbEYPHEEWik=",
+            "sha256": "sha256-UUbizludvliGV+msTxReqQqYtxf91YZKStB/e8/eB/o=",
             "type": "url",
-            "url": "https://julialangnightlies-s3.julialang.org/bin/macos/x86_64/1.10/julia-a40dec12b3-macos-x86_64.dmg"
+            "url": "https://julialangnightlies-s3.julialang.org/bin/macos/x86_64/1.10/julia-be2c35a8d2-macos-x86_64.dmg"
         },
-        "version": "a40dec12b3"
+        "version": "be2c35a8d2"
     },
     "julia-nightly-110-x86_64-linux": {
         "cargoLocks": null,
@@ -173,10 +173,10 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-hzmOP8Zj03fFd8lPCVufptw91nYHbPurVfR7ycCLlQI=",
+            "sha256": "sha256-ld0hLM0oSfU+wXSm6dLbQcnBPKjeNbkNSbP04DxIYpY=",
             "type": "url",
-            "url": "https://julialangnightlies-s3.julialang.org/bin/linux/x86_64/1.10/julia-a40dec12b3-linux-x86_64.tar.gz"
+            "url": "https://julialangnightlies-s3.julialang.org/bin/linux/x86_64/1.10/julia-be2c35a8d2-linux-x86_64.tar.gz"
         },
-        "version": "a40dec12b3"
+        "version": "be2c35a8d2"
     }
 }
\ No newline at end of file
diff --git a/nix/julia2nix/packages/toolchain/_sources/generated.nix b/nix/std/cells/julia2nix/packages/toolchain/_sources/generated.nix
similarity index 69%
rename from nix/julia2nix/packages/toolchain/_sources/generated.nix
rename to nix/std/cells/julia2nix/packages/toolchain/_sources/generated.nix
index a2d7939..15f2ad4 100644
--- a/nix/julia2nix/packages/toolchain/_sources/generated.nix
+++ b/nix/std/cells/julia2nix/packages/toolchain/_sources/generated.nix
@@ -35,66 +35,66 @@
   };
   julia-19-aarch64-darwin = {
     pname = "julia-19-aarch64-darwin";
-    version = "1.9.1-macaarch64.dmg";
+    version = "1.9.3-macaarch64.dmg";
     src = fetchurl {
-      url = "https://julialang-s3.julialang.org/bin/mac/aarch64/1.9/julia-1.9.1-macaarch64.dmg";
-      sha256 = "sha256-A2P1O6KmOgmX7aTetEk/hqNTs58+a8iYWvOHQLin1hI=";
+      url = "https://julialang-s3.julialang.org/bin/mac/aarch64/1.9/julia-1.9.3-macaarch64.dmg";
+      sha256 = "sha256-zKczQExJufOc1niNrvV8S3oNciLUKx018A69bk/AP30=";
     };
   };
   julia-19-aarch64-linux = {
     pname = "julia-19-aarch64-linux";
-    version = "1.9.1-linux-aarch64.tar.gz";
+    version = "1.9.3-linux-aarch64.tar.gz";
     src = fetchurl {
-      url = "https://julialang-s3.julialang.org/bin/linux/aarch64/1.9/julia-1.9.1-linux-aarch64.tar.gz";
-      sha256 = "sha256-tkPM0+Kllg985wVSQ3Q9Cjm63aOXS849d4Yd02O63RA=";
+      url = "https://julialang-s3.julialang.org/bin/linux/aarch64/1.9/julia-1.9.3-linux-aarch64.tar.gz";
+      sha256 = "sha256-VUN4efa5hHDZbEBIuSJQG2Q9//uIZavrkMczOoPfdSQ=";
     };
   };
   julia-19-x86_64-darwin = {
     pname = "julia-19-x86_64-darwin";
-    version = "1.9.1-mac64.dmg";
+    version = "1.9.3-mac64.dmg";
     src = fetchurl {
-      url = "https://julialang-s3.julialang.org/bin/mac/x64/1.9/julia-1.9.1-mac64.dmg";
-      sha256 = "sha256-4TKER2c8R16KRmBXdhI8NeCG/7Y39rLOrwNs5lrRgyY=";
+      url = "https://julialang-s3.julialang.org/bin/mac/x64/1.9/julia-1.9.3-mac64.dmg";
+      sha256 = "sha256-qceM0Bl4vWDoONWFWB5YdQMTVZw4CaoK585VLCza/jk=";
     };
   };
   julia-19-x86_64-linux = {
     pname = "julia-19-x86_64-linux";
-    version = "1.9.1-linux-x86_64.tar.gz";
+    version = "1.9.3-linux-x86_64.tar.gz";
     src = fetchurl {
-      url = "https://julialang-s3.julialang.org/bin/linux/x64/1.9/julia-1.9.1-linux-x86_64.tar.gz";
-      sha256 = "sha256-zeFKWPiZJR8wz87YcFVib0SEV4Blnr6NUMvExnsxmXw=";
+      url = "https://julialang-s3.julialang.org/bin/linux/x64/1.9/julia-1.9.3-linux-x86_64.tar.gz";
+      sha256 = "sha256-12ZwzJuj4P1MFUXdPQAmnAaUl2oRdjEnlevOFpLTI9E=";
     };
   };
   julia-nightly-110-aarch64-darwin = {
     pname = "julia-nightly-110-aarch64-darwin";
-    version = "a40dec12b3";
+    version = "be2c35a8d2";
     src = fetchurl {
-      url = "https://julialangnightlies-s3.julialang.org/bin/macos/aarch64/1.10/julia-a40dec12b3-macos-aarch64.dmg";
-      sha256 = "sha256-pSbwYtXvvajrrd4EYThzhVPmGiv5OHZVCpUcTxe+ERo=";
+      url = "https://julialangnightlies-s3.julialang.org/bin/macos/aarch64/1.10/julia-be2c35a8d2-macos-aarch64.dmg";
+      sha256 = "sha256-f4WWN/2vDa4hqRcCqQ7lWFzGFdE1dkBpgtmdyJS+Otc=";
     };
   };
   julia-nightly-110-aarch64-linux = {
     pname = "julia-nightly-110-aarch64-linux";
-    version = "a40dec12b3";
+    version = "be2c35a8d2";
     src = fetchurl {
-      url = "https://julialangnightlies-s3.julialang.org/bin/linux/aarch64/1.10/julia-a40dec12b3-linux-aarch64.tar.gz";
-      sha256 = "sha256-eoSfwMi4NudBfSmV1et0aBCiKbGDqbmsUuOGIJ2sCO4=";
+      url = "https://julialangnightlies-s3.julialang.org/bin/linux/aarch64/1.10/julia-be2c35a8d2-linux-aarch64.tar.gz";
+      sha256 = "sha256-Zgq6No/jKocvFakcK7r6QlE2ARIYMZonTGVBzZageKo=";
     };
   };
   julia-nightly-110-x86_64-darwin = {
     pname = "julia-nightly-110-x86_64-darwin";
-    version = "a40dec12b3";
+    version = "be2c35a8d2";
     src = fetchurl {
-      url = "https://julialangnightlies-s3.julialang.org/bin/macos/x86_64/1.10/julia-a40dec12b3-macos-x86_64.dmg";
-      sha256 = "sha256-JwwFwuGPFoBEZdEuFB3Bv8jxUoKE2cv6TbEYPHEEWik=";
+      url = "https://julialangnightlies-s3.julialang.org/bin/macos/x86_64/1.10/julia-be2c35a8d2-macos-x86_64.dmg";
+      sha256 = "sha256-UUbizludvliGV+msTxReqQqYtxf91YZKStB/e8/eB/o=";
     };
   };
   julia-nightly-110-x86_64-linux = {
     pname = "julia-nightly-110-x86_64-linux";
-    version = "a40dec12b3";
+    version = "be2c35a8d2";
     src = fetchurl {
-      url = "https://julialangnightlies-s3.julialang.org/bin/linux/x86_64/1.10/julia-a40dec12b3-linux-x86_64.tar.gz";
-      sha256 = "sha256-hzmOP8Zj03fFd8lPCVufptw91nYHbPurVfR7ycCLlQI=";
+      url = "https://julialangnightlies-s3.julialang.org/bin/linux/x86_64/1.10/julia-be2c35a8d2-linux-x86_64.tar.gz";
+      sha256 = "sha256-ld0hLM0oSfU+wXSm6dLbQcnBPKjeNbkNSbP04DxIYpY=";
     };
   };
 }
diff --git a/nix/julia2nix/packages/toolchain/changelog b/nix/std/cells/julia2nix/packages/toolchain/changelog
similarity index 100%
rename from nix/julia2nix/packages/toolchain/changelog
rename to nix/std/cells/julia2nix/packages/toolchain/changelog
diff --git a/nix/julia2nix/packages/toolchain/sources.toml b/nix/std/cells/julia2nix/packages/toolchain/sources.toml
similarity index 100%
rename from nix/julia2nix/packages/toolchain/sources.toml
rename to nix/std/cells/julia2nix/packages/toolchain/sources.toml
diff --git a/nix/patches/devshells.nix b/nix/std/cells/patches/devshells.nix
similarity index 66%
rename from nix/patches/devshells.nix
rename to nix/std/cells/patches/devshells.nix
index 48f8745..a1847a8 100644
--- a/nix/patches/devshells.nix
+++ b/nix/std/cells/patches/devshells.nix
@@ -1,14 +1,12 @@
-{
-  inputs,
-  cell,
-}: let
+{ inputs, cell }:
+let
   inherit (inputs) nixpkgs;
-in {
-  default = let
-    libPath =
-      nixpkgs.lib.makeLibraryPath [
-      ];
-  in
+in
+{
+  default =
+    let
+      libPath = nixpkgs.lib.makeLibraryPath [ ];
+    in
     nixpkgs.mkShell {
       shellHook = ''
         patchelf \
diff --git a/nix/std/flake.lock b/nix/std/flake.lock
new file mode 100644
index 0000000..732f12f
--- /dev/null
+++ b/nix/std/flake.lock
@@ -0,0 +1,612 @@
+{
+  "nodes": {
+    "POP": {
+      "inputs": {
+        "flake-compat": [
+          "omnibus",
+          "flops"
+        ],
+        "nixlib": "nixlib",
+        "nixpkgs": [
+          "omnibus",
+          "flops"
+        ]
+      },
+      "locked": {
+        "lastModified": 1655410953,
+        "narHash": "sha256-Er0zdhu7QwpWvVKfauqZqTnxDz6THTWOTVWLoz+Opmw=",
+        "owner": "divnix",
+        "repo": "POP",
+        "rev": "8babe4c9126298d05ebb5ab04727d741b51c022e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "POP",
+        "type": "github"
+      }
+    },
+    "blank": {
+      "locked": {
+        "lastModified": 1625557891,
+        "narHash": "sha256-O8/MWsPBGhhyPoPLHZAuoZiiHo9q6FLlEeIDEXuj6T4=",
+        "owner": "divnix",
+        "repo": "blank",
+        "rev": "5a5d2684073d9f563072ed07c871d577a6c614a8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "blank",
+        "type": "github"
+      }
+    },
+    "call-flake": {
+      "locked": {
+        "lastModified": 1697332845,
+        "narHash": "sha256-bmhE1TmrJG4ba93l9WQTLuYM53kwGQAjYHRvHOeuxWU=",
+        "owner": "divnix",
+        "repo": "call-flake",
+        "rev": "088f8589c7f3ee59bea1858a89f5125d284c3c4a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "call-flake",
+        "type": "github"
+      }
+    },
+    "call-flake_2": {
+      "locked": {
+        "lastModified": 1687380775,
+        "narHash": "sha256-bmhE1TmrJG4ba93l9WQTLuYM53kwGQAjYHRvHOeuxWU=",
+        "owner": "divnix",
+        "repo": "call-flake",
+        "rev": "74061f6c241227cd05e79b702db9a300a2e4131a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "call-flake",
+        "type": "github"
+      }
+    },
+    "devshell": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1698410321,
+        "narHash": "sha256-MphuSlgpmKwtJncGMohryHiK55J1n6WzVQ/OAfmfoMc=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "1aed986e3c81a4f6698e85a7452cbfcc4b31a36e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "dmerge": {
+      "inputs": {
+        "haumea": [
+          "omnibus",
+          "flops",
+          "haumea"
+        ],
+        "nixlib": [
+          "omnibus",
+          "flops",
+          "nixlib"
+        ],
+        "yants": [
+          "omnibus",
+          "flops",
+          "yants"
+        ]
+      },
+      "locked": {
+        "lastModified": 1686862774,
+        "narHash": "sha256-ojGtRQ9pIOUrxsQEuEPerUkqIJEuod9hIflfNkY+9CE=",
+        "owner": "divnix",
+        "repo": "dmerge",
+        "rev": "9f7f7a8349d33d7bd02e0f2b484b1f076e503a96",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "dmerge",
+        "type": "github"
+      }
+    },
+    "dmerge_2": {
+      "inputs": {
+        "haumea": [
+          "std",
+          "haumea"
+        ],
+        "nixlib": [
+          "std",
+          "lib"
+        ],
+        "yants": [
+          "std",
+          "yants"
+        ]
+      },
+      "locked": {
+        "lastModified": 1686862774,
+        "narHash": "sha256-ojGtRQ9pIOUrxsQEuEPerUkqIJEuod9hIflfNkY+9CE=",
+        "owner": "divnix",
+        "repo": "dmerge",
+        "rev": "9f7f7a8349d33d7bd02e0f2b484b1f076e503a96",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "ref": "0.2.1",
+        "repo": "dmerge",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flops": {
+      "inputs": {
+        "POP": "POP",
+        "call-flake": "call-flake",
+        "dmerge": "dmerge",
+        "haumea": "haumea",
+        "nixlib": "nixlib_2",
+        "yants": "yants"
+      },
+      "locked": {
+        "lastModified": 1697778846,
+        "narHash": "sha256-QDgGaC67LbnnhRV/CpLomSz7UFs+pRnZsyU6xJcQIas=",
+        "owner": "gtrunsec",
+        "repo": "flops",
+        "rev": "5adeb160bf489b042951dd1bf89840ca14288cfb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gtrunsec",
+        "repo": "flops",
+        "type": "github"
+      }
+    },
+    "haumea": {
+      "inputs": {
+        "nixpkgs": [
+          "omnibus",
+          "flops",
+          "nixlib"
+        ]
+      },
+      "locked": {
+        "lastModified": 1697205539,
+        "narHash": "sha256-gHEy0Q+eEQJkWl6/DpFxXPOlTx/lMU7Pvs/bwoq4OhI=",
+        "owner": "nix-community",
+        "repo": "haumea",
+        "rev": "fc119c500189f739fec7ad33d111f9c92910eccf",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "haumea",
+        "type": "github"
+      }
+    },
+    "haumea_2": {
+      "inputs": {
+        "nixpkgs": [
+          "std",
+          "lib"
+        ]
+      },
+      "locked": {
+        "lastModified": 1685133229,
+        "narHash": "sha256-FePm/Gi9PBSNwiDFq3N+DWdfxFq0UKsVVTJS3cQPn94=",
+        "owner": "nix-community",
+        "repo": "haumea",
+        "rev": "34dd58385092a23018748b50f9b23de6266dffc2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "v0.2.2",
+        "repo": "haumea",
+        "type": "github"
+      }
+    },
+    "incl": {
+      "inputs": {
+        "nixlib": [
+          "std",
+          "lib"
+        ]
+      },
+      "locked": {
+        "lastModified": 1669263024,
+        "narHash": "sha256-E/+23NKtxAqYG/0ydYgxlgarKnxmDbg6rCMWnOBqn9Q=",
+        "owner": "divnix",
+        "repo": "incl",
+        "rev": "ce7bebaee048e4cd7ebdb4cee7885e00c4e2abca",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "incl",
+        "type": "github"
+      }
+    },
+    "lib": {
+      "locked": {
+        "lastModified": 1694306727,
+        "narHash": "sha256-26fkTOJOI65NOTNKFvtcJF9mzzf/kK9swHzfYt1Dl6Q=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "c30b6a84c0b84ec7aecbe74466033facc9ed103f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nix-filter": {
+      "locked": {
+        "lastModified": 1694857738,
+        "narHash": "sha256-bxxNyLHjhu0N8T3REINXQ2ZkJco0ABFPn6PIe2QUfqo=",
+        "owner": "numtide",
+        "repo": "nix-filter",
+        "rev": "41fd48e00c22b4ced525af521ead8792402de0ea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "nix-filter",
+        "type": "github"
+      }
+    },
+    "nixago": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixago-exts": [],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1687381756,
+        "narHash": "sha256-IUMIlYfrvj7Yli4H2vvyig8HEPpfCeMaE6+kBGPzFyk=",
+        "owner": "nix-community",
+        "repo": "nixago",
+        "rev": "dacceb10cace103b3e66552ec9719fa0d33c0dc9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixago",
+        "type": "github"
+      }
+    },
+    "nixlib": {
+      "locked": {
+        "lastModified": 1653180592,
+        "narHash": "sha256-sVGwmxTj7CY1D4ioy7E+iJE+1/yHqQlxjnTpar3ap/E=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "42c5f5785b70cd64b4afd830dc31d0b08461abd5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixlib_2": {
+      "locked": {
+        "lastModified": 1697331025,
+        "narHash": "sha256-a5LJWWHfEvnq9tBd9UyNVdtzLXc2ehu5MCp//Bex/0E=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "05c07c73de74725ec7efa6609011687035a92c0f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1677383253,
+        "narHash": "sha256-UfpzWfSxkfXHnb4boXZNaKsAcUrZT9Hw+tao1oZxd08=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9952d6bc395f5841262b006fbace8dd7e143b634",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lock": {
+      "locked": {
+        "lastModified": 1663419078,
+        "narHash": "sha256-cxEeMnaTGMTeDAvXnZmqcF50qoyJOsQENhYxSnW9ZMs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0cfb3c002b61807ca0bab3efe514476bdf2e5478",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0cfb3c002b61807ca0bab3efe514476bdf2e5478",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1698553279,
+        "narHash": "sha256-T/9P8yBSLcqo/v+FTOBK+0rjzjPMctVymZydbvR/Fak=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "90e85bc7c1a6fc0760a94ace129d3a1c61c3d035",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1660438583,
+        "narHash": "sha256-rJUTYxFKlWUJI3njAwEc1pKAVooAViZGJvsgqfh/q/E=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "bbd8f7cd87d0b29294ef3072ffdbd61d60f05da4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nosys": {
+      "locked": {
+        "lastModified": 1668010795,
+        "narHash": "sha256-JBDVBnos8g0toU7EhIIqQ1If5m/nyBqtHhL3sicdPwI=",
+        "owner": "divnix",
+        "repo": "nosys",
+        "rev": "feade0141487801c71ff55623b421ed535dbdefa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "nosys",
+        "type": "github"
+      }
+    },
+    "omnibus": {
+      "inputs": {
+        "POP": [
+          "omnibus",
+          "flops",
+          "POP"
+        ],
+        "flops": "flops",
+        "haumea": [
+          "omnibus",
+          "flops",
+          "haumea"
+        ]
+      },
+      "locked": {
+        "lastModified": 1698404991,
+        "narHash": "sha256-ha9fgneN9HxZuxkUSo7E5l/qMxARsoJGOURy6dSdB9M=",
+        "owner": "gtrunsec",
+        "repo": "omnibus",
+        "rev": "67fd636ef1a0573941787274137bf77b68992efa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gtrunsec",
+        "repo": "omnibus",
+        "type": "github"
+      }
+    },
+    "paisano": {
+      "inputs": {
+        "call-flake": "call-flake_2",
+        "nixpkgs": [
+          "std",
+          "nixpkgs"
+        ],
+        "nosys": "nosys",
+        "yants": [
+          "std",
+          "yants"
+        ]
+      },
+      "locked": {
+        "lastModified": 1693982790,
+        "narHash": "sha256-WTZYlqGUjzzz/PSzcvjEZz2kkwYSXObjeQVrFBaqa2Y=",
+        "owner": "paisano-nix",
+        "repo": "core",
+        "rev": "3e897a19418361ece34841105122ed4f9379ca96",
+        "type": "github"
+      },
+      "original": {
+        "owner": "paisano-nix",
+        "repo": "core",
+        "type": "github"
+      }
+    },
+    "paisano-tui": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1694014205,
+        "narHash": "sha256-u0+T6vMznzfjDMUd01ZXQsrQPMEhMjrQwUPTFsPBR1k=",
+        "owner": "paisano-nix",
+        "repo": "tui",
+        "rev": "587ab9fd07bd969d59df73bfe527b5f8a4e752d1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "paisano-nix",
+        "ref": "0.2.0",
+        "repo": "tui",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devshell": "devshell",
+        "nix-filter": "nix-filter",
+        "nixago": "nixago",
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-lock": "nixpkgs-lock",
+        "omnibus": "omnibus",
+        "std": "std"
+      }
+    },
+    "std": {
+      "inputs": {
+        "arion": [
+          "std",
+          "blank"
+        ],
+        "blank": "blank",
+        "devshell": [
+          "devshell"
+        ],
+        "dmerge": "dmerge_2",
+        "haumea": "haumea_2",
+        "incl": "incl",
+        "lib": "lib",
+        "makes": [
+          "std",
+          "blank"
+        ],
+        "microvm": [
+          "std",
+          "blank"
+        ],
+        "n2c": [
+          "std",
+          "blank"
+        ],
+        "nixago": [
+          "nixago"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "paisano": "paisano",
+        "paisano-tui": "paisano-tui",
+        "terranix": [
+          "std",
+          "blank"
+        ],
+        "yants": "yants_2"
+      },
+      "locked": {
+        "lastModified": 1698340859,
+        "narHash": "sha256-D83N/iRWGSdJJHcqJUN5L7jPvVgMOsukIyWi1V5Mup8=",
+        "owner": "divnix",
+        "repo": "std",
+        "rev": "845fd2960e312be6e60f49b9f5799ac4f180a111",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "std",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "yants": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1686863218,
+        "narHash": "sha256-kooxYm3/3ornWtVBNHM3Zh020gACUyFX2G0VQXnB+mk=",
+        "owner": "divnix",
+        "repo": "yants",
+        "rev": "8f0da0dba57149676aa4817ec0c880fbde7a648d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "yants",
+        "type": "github"
+      }
+    },
+    "yants_2": {
+      "inputs": {
+        "nixpkgs": [
+          "std",
+          "lib"
+        ]
+      },
+      "locked": {
+        "lastModified": 1686863218,
+        "narHash": "sha256-kooxYm3/3ornWtVBNHM3Zh020gACUyFX2G0VQXnB+mk=",
+        "owner": "divnix",
+        "repo": "yants",
+        "rev": "8f0da0dba57149676aa4817ec0c880fbde7a648d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "divnix",
+        "repo": "yants",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/nix/std/flake.nix b/nix/std/flake.nix
new file mode 100644
index 0000000..6c779e9
--- /dev/null
+++ b/nix/std/flake.nix
@@ -0,0 +1,76 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    nix-filter.url = "github:/numtide/nix-filter";
+    # TOOD: use the locked prefetch version, will be removed by replacing with nix-prefetch-url
+    nixpkgs-lock.url = "github:NixOS/nixpkgs/0cfb3c002b61807ca0bab3efe514476bdf2e5478";
+  };
+
+  inputs = {
+    omnibus.url = "github:gtrunsec/omnibus";
+
+    std.url = "github:divnix/std";
+    std.inputs.nixpkgs.follows = "nixpkgs";
+    std.inputs.devshell.follows = "devshell";
+    std.inputs.nixago.follows = "nixago";
+
+    devshell.url = "github:numtide/devshell";
+    nixago.url = "github:nix-community/nixago";
+    nixago.inputs.nixpkgs.follows = "nixpkgs";
+    nixago.inputs.nixago-exts.follows = "";
+  };
+
+  outputs =
+    { self, std, ... }@inputs:
+    (std.growOn
+      {
+        inputs = inputs // {
+          main = ../..;
+        };
+        cellsFrom = ./cells;
+        systems = [
+          "aarch64-darwin"
+          "aarch64-linux"
+          "x86_64-darwin"
+          "x86_64-linux"
+        ];
+        cellBlocks = with std.blockTypes; [
+          (installables "packages")
+
+          (nixago "nixago")
+
+          (runnables "entrypoints")
+
+          (devshells "devshells")
+          (functions "devshellProfiles")
+
+          (functions "lib")
+          (functions "configs")
+          (functions "workflow")
+          (functions "overlays")
+          (functions "compiler")
+
+          (data "containerJobs")
+        ];
+      }
+      {
+        lib = std.harvest inputs.self [
+          "julia2nix"
+          "lib"
+        ];
+        devShells = std.harvest inputs.self [
+          "julia2nix"
+          "devshells"
+        ];
+        overlays =
+          (std.harvest inputs.self [
+            "julia2nix"
+            "overlays"
+          ]).x86_64-linux;
+        packages = std.harvest inputs.self [
+          "julia2nix"
+          "packages"
+        ];
+      }
+    );
+}
diff --git a/nix/units/ops/jupyenv.nix b/nix/units/ops/jupyenv.nix
new file mode 100644
index 0000000..0e19240
--- /dev/null
+++ b/nix/units/ops/jupyenv.nix
@@ -0,0 +1,16 @@
+{ inputs }:
+let
+  inherit (inputs) omnibus;
+  inherit
+    (omnibus.lib.errors.requiredInputs inputs "julia2nix.pops" [
+      "nixpkgs"
+      "jupyenv"
+    ])
+    nixpkgs
+    jupyenv
+  ;
+  inherit (jupyenv.lib.${nixpkgs.system}) mkJupyterlabNew;
+in
+{
+  inherit mkJupyterlabNew;
+}
diff --git a/src/JuNix/util.jl b/src/JuNix/util.jl
index 1f64f28..e134f1a 100644
--- a/src/JuNix/util.jl
+++ b/src/JuNix/util.jl
@@ -64,7 +64,7 @@ Prefetch sha256 with `nix-prefetch`
 function fetch_sha256(fetcher::Fetcher, opts::Options)
     parsed = parse_fetcher(fetcher, opts)
     expr = """
-               let pkgs = import "/nix/store/cwr7p465zbfp60hg3jng1cfkmq14ka49-source" { };
+               let pkgs = import <nixpkgs> { };
                in with pkgs; $(fetcher.name)
            """
     cmd = `nix-prefetch $expr $(parsed)`
diff --git a/templates/dev/flake.nix b/templates/dev/flake.nix
index 15c13eb..0240791 100644
--- a/templates/dev/flake.nix
+++ b/templates/dev/flake.nix
@@ -12,14 +12,11 @@
     julia2nix.url = "github:JuliaCN/Julia2Nix.jl";
   };
 
-  outputs = inputs @ {
-    self,
-    julia2nix,
-    ...
-  }:
-    (
-      inputs.flake-utils.lib.eachDefaultSystem
-      (system: let
+  outputs =
+    inputs@{ self, julia2nix, ... }:
+    (inputs.flake-utils.lib.eachDefaultSystem (
+      system:
+      let
         pkgs = inputs.nixpkgs.legacyPackages.${system}.appendOverlays [
           inputs.devshell.overlays.default
           self.overlays.default
@@ -30,12 +27,14 @@
           enable = {
             # only x86_64-linux is supported
             GR = true;
-            python =
-              pkgs.python3.buildEnv.override
-              {
-                extraLibs = with pkgs.python3Packages; [xlrd matplotlib pyqt5];
-                # ignoreCollisions = true;
-              };
+            python = pkgs.python3.buildEnv.override {
+              extraLibs = with pkgs.python3Packages; [
+                xlrd
+                matplotlib
+                pyqt5
+              ];
+              # ignoreCollisions = true;
+            };
           };
         };
 
@@ -46,7 +45,8 @@
           name = "your julia project";
           package = julia-wrapped;
         };
-      in {
+      in
+      {
         packages = {
           # make sure you have generated the julia2nix.toml
           # default = project;
@@ -69,9 +69,9 @@
             }
           ];
         };
-      })
-    )
+      }
+    ))
     // {
-      overlays.default = final: prev: {};
+      overlays.default = final: prev: { };
     };
 }
diff --git a/templates/jlrs/default.nix b/templates/jlrs/default.nix
index 0205bc8..75bed34 100644
--- a/templates/jlrs/default.nix
+++ b/templates/jlrs/default.nix
@@ -3,12 +3,10 @@
     let
       lock = builtins.fromJSON (builtins.readFile ./flake.lock);
     in
-      fetchTarball {
-        url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
-        sha256 = lock.nodes.flake-compat.locked.narHash;
-      }
+    fetchTarball {
+      url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+      sha256 = lock.nodes.flake-compat.locked.narHash;
+    }
   )
-  {
-    src = ./.;
-  })
-.defaultNix
+  { src = ./.; }
+).defaultNix
diff --git a/templates/jlrs/devshell/default.nix b/templates/jlrs/devshell/default.nix
index 741033b..16e3874 100644
--- a/templates/jlrs/devshell/default.nix
+++ b/templates/jlrs/devshell/default.nix
@@ -1,12 +1,9 @@
+{ inputs, pkgs }:
 {
-  inputs,
-  pkgs,
-}: {
-  default = with pkgs;
+  default =
+    with pkgs;
     devshell.mkShell {
-      imports = [
-        (devshell.importTOML ./commands.toml)
-      ];
+      imports = [ (devshell.importTOML ./commands.toml) ];
 
       packages = [
         pkgs.rust-final
diff --git a/templates/jlrs/flake.nix b/templates/jlrs/flake.nix
index f8aae7d..af72c65 100644
--- a/templates/jlrs/flake.nix
+++ b/templates/jlrs/flake.nix
@@ -25,89 +25,103 @@
     jlrs.flake = false;
   };
 
-  outputs = inputs @ {
-    self,
-    nixpkgs,
-    flake-utils,
-    ...
-  }:
-    (
-      flake-utils.lib.eachSystem ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"] (system: let
-        pkgs = nixpkgs.legacyPackages.${system}.appendOverlays [
-          self.overlays.default
-          inputs.rust-overlay.overlays.default
-          inputs.devshell.overlays.default
-        ];
+  outputs =
+    inputs@{
+      self,
+      nixpkgs,
+      flake-utils,
+      ...
+    }:
+    (flake-utils.lib.eachSystem
+      [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ]
+      (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system}.appendOverlays [
+            self.overlays.default
+            inputs.rust-overlay.overlays.default
+            inputs.devshell.overlays.default
+          ];
 
-        craneLib = (inputs.crane.mkLib pkgs).overrideScope' (final: prev: {
-          rustc = pkgs.rust-final;
-          cargo = pkgs.rust-final;
-          rustfmt = pkgs.rust-final;
-        });
-        julia-wrapped = inputs.julia2nix.lib.${system}.julia-wrapped {
-          package = inputs.julia2nix.packages.${system}.julia_17-bin;
-          enable = {
-            python =
-              pkgs.python3.buildEnv.override
-              {
-                extraLibs = with pkgs.python3Packages; [matplotlib pyqt5];
+          craneLib = (inputs.crane.mkLib pkgs).overrideScope' (
+            final: prev: {
+              rustc = pkgs.rust-final;
+              cargo = pkgs.rust-final;
+              rustfmt = pkgs.rust-final;
+            }
+          );
+          julia-wrapped = inputs.julia2nix.lib.${system}.julia-wrapped {
+            package = inputs.julia2nix.packages.${system}.julia_17-bin;
+            enable = {
+              python = pkgs.python3.buildEnv.override {
+                extraLibs = with pkgs.python3Packages; [
+                  matplotlib
+                  pyqt5
+                ];
                 ignoreCollisions = true;
               };
+            };
           };
-        };
-        build-package = inputs.julia2nix.lib.${system}.buildEnv {
-          src = inputs.nix-filter.lib.filter {
-            root = ./.;
-            include = [
-              ./julia2nix.toml
-              ./Project.toml
-              ./Manifest.toml
-            ];
+          build-package = inputs.julia2nix.lib.${system}.buildEnv {
+            src = inputs.nix-filter.lib.filter {
+              root = ./.;
+              include = [
+                ./julia2nix.toml
+                ./Project.toml
+                ./Manifest.toml
+              ];
+            };
+            name = "Plot-PackageDeps";
+            package = julia-wrapped;
           };
-          name = "Plot-PackageDeps";
-          package = julia-wrapped;
-        };
 
-        plot = craneLib.buildPackage {
-          src = inputs.nix-filter.lib.filter {
-            root = ./.;
-            include = [
-              (inputs.nix-filter.lib.inDirectory ./src)
-              ./Cargo.toml
-              ./Cargo.lock
-            ];
+          plot = craneLib.buildPackage {
+            src = inputs.nix-filter.lib.filter {
+              root = ./.;
+              include = [
+                (inputs.nix-filter.lib.inDirectory ./src)
+                ./Cargo.toml
+                ./Cargo.lock
+              ];
+            };
+            # cargoExtraArgs = "--target wasm32-wasi";
+            # Tests currently need to be run via `cargo wasi` which
+            # isn't packaged in nixpkgs yet...
+            doCheck = false;
+            JULIA_DIR = julia-wrapped;
           };
-          # cargoExtraArgs = "--target wasm32-wasi";
-          # Tests currently need to be run via `cargo wasi` which
-          # isn't packaged in nixpkgs yet...
-          doCheck = false;
-          JULIA_DIR = julia-wrapped;
-        };
-        call-julia = craneLib.buildPackage {
-          src = inputs.nix-filter.lib.filter {
-            root = ./call_julia;
-            include = [
-              (inputs.nix-filter.lib.inDirectory ./call_julia)
-              ./julia2nix.toml
-              ./Project.toml
-              ./Manifest.toml
-              ./Cargo.toml
-              ./Cargo.lock
-            ];
+          call-julia = craneLib.buildPackage {
+            src = inputs.nix-filter.lib.filter {
+              root = ./call_julia;
+              include = [
+                (inputs.nix-filter.lib.inDirectory ./call_julia)
+                ./julia2nix.toml
+                ./Project.toml
+                ./Manifest.toml
+                ./Cargo.toml
+                ./Cargo.lock
+              ];
+            };
+            doCheck = true;
+            JULIA_DIR = julia-wrapped;
           };
-          doCheck = true;
-          JULIA_DIR = julia-wrapped;
-        };
-      in {
-        packages = {
-          default = plot;
-          julia = julia-wrapped;
-          inherit build-package call-julia;
-        };
-        devShells = import ./devshell {inherit inputs pkgs;};
-      })
+        in
+        {
+          packages = {
+            default = plot;
+            julia = julia-wrapped;
+            inherit build-package call-julia;
+          };
+          devShells = import ./devshell { inherit inputs pkgs; };
+        }
+      )
     )
     // {
-      overlays = import ./nix/overlays.nix {inherit inputs;};
+      overlays = import ./nix/overlays.nix { inherit inputs; };
     };
 }
diff --git a/templates/jlrs/nix/overlays.nix b/templates/jlrs/nix/overlays.nix
index 93bfe54..29a47a6 100644
--- a/templates/jlrs/nix/overlays.nix
+++ b/templates/jlrs/nix/overlays.nix
@@ -1,7 +1,8 @@
-{inputs}: {
+{ inputs }:
+{
   default = final: prev: {
     rust-final = final.rust-bin.stable.latest.default.override {
-      extensions = ["rust-src"];
+      extensions = [ "rust-src" ];
     };
   };
 }