Merge pull request #94 from planetscale/joem/zizmor-lints

add zizmor linting of github actions

.github/workflows/ci.yaml

@@ -15,6 +15,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5
         with:
@@ -35,6 +37,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5
         with:

.github/workflows/licensing.yaml

@@ -17,6 +17,7 @@ jobs:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           fetch-depth: 0
+          persist-credentials: false
 
       - uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5
         with:

.github/workflows/release.yaml

@@ -23,10 +23,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5
         with:
           go-version-file: go.mod
+          cache: false
 
       - uses: golangci/golangci-lint-action@971e284b6050e8a5849b72094c50ab08da042db8 # v6
 
@@ -53,10 +56,12 @@ jobs:
         with:
           fetch-depth: 0
           fetch-tags: true
+          persist-credentials: false
 
       - uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5
         with:
           go-version-file: go.mod
+          cache: false
 
       - name: install autotag binary
         run: |

.github/workflows/validate-renovate.yml

@@ -13,6 +13,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+        with:
+          persist-credentials: false
 
       - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4
         with:

.github/workflows/zizmor.yaml

@@ -0,0 +1,36 @@
+name: GitHub Actions Security Analysis with zizmor
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  zizmor:
+    name: zizmor latest via PyPI
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      # required for workflows in private repositories
+      contents: read
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Run zizmor 🌈
+        run: uvx zizmor --format sarif . > results.sarif
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload SARIF file
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: results.sarif
+          category: zizmor

zizmor.yml

@@ -0,0 +1,7 @@
+rules:
+  cache-poisoning:
+    ignore:
+      # ci.yaml runs goreleaser in snapshot mode to test the build process but does not
+      # push a new release. However, zizmor uses the presence of goreleaser to assume
+      # a workflow publishes releases and then enables its cache-poisoning rule.
+      - ci.yaml