[CI] Upgrade github workflows to use latest Conda setup action (#563)

.github/workflows/coverage-tests.yml

@@ -9,6 +9,10 @@ on:
 permissions:
   contents: read  # to fetch code (actions/checkout)
 
+defaults:
+  run:
+    shell: bash -l {0}
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
@@ -24,19 +28,18 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
-      shell: bash -l {0}
       run: |
         conda info
         conda list
     - name: Run tests with test coverage computation
-      shell: bash -l {0}
       run: |
         bash ops/cpp-python-coverage.sh
   win-python-coverage:
@@ -46,17 +49,18 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
       shell: cmd /C CALL {0}
       run: |
-        micromamba info
-        micromamba list
+        conda info
+        conda list
     - name: Run tests with test coverage computation
       shell: cmd /C CALL {0}
       run: |
@@ -68,18 +72,17 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
-      shell: bash -l {0}
       run: |
         conda info
         conda list
     - name: Run tests with test coverage computation
-      shell: bash -l {0}
       run: |
         bash ops/macos-python-coverage.sh

.github/workflows/linux-wheel-builder.yml

@@ -30,12 +30,13 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
       run: |
         conda info
@@ -53,12 +54,13 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
       run: |
         conda info
@@ -77,12 +79,13 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Build CPack
       run: |
         bash ops/build-cpack.sh

.github/workflows/macos-wheel-builder.yml

@@ -25,7 +25,7 @@ env:
 jobs:
   macos-wheel-builder:
     name: Build and test Python wheels (MacOS)
-    runs-on: macos-latest
+    runs-on: macos-13
     strategy:
       fail-fast: false
       matrix:
@@ -36,12 +36,12 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: conda-incubator/setup-miniconda@v2
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        activate-environment: dev
-        environment-file: ops/conda_env/dev.yml
         miniforge-variant: Mambaforge
         miniforge-version: latest
+        activate-environment: dev
+        environment-file: ops/conda_env/dev.yml
         use-mamba: true
     - name: Display Conda env
       run: |

.github/workflows/misc-tests.yml

@@ -29,12 +29,13 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
       run: |
         conda info
@@ -53,12 +54,13 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
       run: |
         conda info
@@ -77,12 +79,13 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
       run: |
         conda info
@@ -97,12 +100,13 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Display Conda env
       run: |
         conda info

.github/workflows/pre-commit.yml

@@ -8,4 +8,4 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v3
-      - uses: pre-commit/[email protected].0
+      - uses: pre-commit/[email protected].1

.github/workflows/windows-wheel-builder.yml

@@ -30,12 +30,13 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: 'true'
-    - uses: mamba-org/provision-with-micromamba@v14
+    - uses: conda-incubator/setup-miniconda@v3
       with:
-        cache-downloads: true
-        cache-env: true
-        environment-name: dev
+        miniforge-variant: Mambaforge
+        miniforge-version: latest
+        activate-environment: dev
         environment-file: ops/conda_env/dev.yml
+        use-mamba: true
     - name: Build wheel
       run: |
         call ops/build-windows.bat

ops/build-windows.bat

@@ -13,9 +13,6 @@ echo ##[section]Running C++ tests...
 .\build\treelite_cpp_test.exe
 if %errorlevel% neq 0 exit /b %errorlevel%
 
-echo ##[section]Setting up Python environment...
-call micromamba activate dev
-
 echo ##[section]Packaging Python wheel for Treelite...
 cd python
 pip wheel --no-deps -v . --wheel-dir dist/

ops/test-win-python-wheel.bat

@@ -1,6 +1,3 @@
-echo ##[section]Setting up Python environment...
-call micromamba activate dev
-
 echo ##[section]Installing Treelite into Python environment...
 setlocal enabledelayedexpansion
 python tests\ci_build\rename_whl.py python\dist %COMMIT_ID% win_amd64

ops/win-python-coverage.bat

@@ -11,8 +11,6 @@ cd ..
 
 echo ##[section]Running Python tests...
 mkdir temp
-call micromamba activate dev
-if %errorlevel% neq 0 exit /b %errorlevel%
 set "PYTHONPATH=./python"
 set "PYTEST_TMPDIR=%USERPROFILE%\AppData\Local\Temp\pytest_temp"
 mkdir "%PYTEST_TMPDIR%"

src/c_api/model.cc

@@ -61,7 +61,7 @@ int TreeliteConcatenateModelObjects(
   API_BEGIN();
   std::vector<treelite::Model const*> model_objs(len, nullptr);
   std::transform(objs, objs + len, model_objs.begin(),
-      [](TreeliteModelHandle e) { return static_cast<const treelite::Model*>(e); });
+      [](TreeliteModelHandle e) { return static_cast<treelite::Model const*>(e); });
   auto concatenated_model = ConcatenateModelObjects(model_objs);
   *out = static_cast<TreeliteModelHandle>(concatenated_model.release());
   API_END();

src/model_concat.cc

@@ -59,7 +59,7 @@ std::unique_ptr<Model> ConcatenateModelObjects(std::vector<Model const*> const&
           auto& casted = std::get<ModelType>(objs[i]->variant_);
           std::transform(casted.trees.begin(), casted.trees.end(),
               std::back_inserter(concatenated_model_concrete.trees),
-              [](const auto& tree) { return tree.Clone(); });
+              [](auto const& tree) { return tree.Clone(); });
           concatenated_model->target_id.Extend(objs[i]->target_id);
           concatenated_model->class_id.Extend(objs[i]->class_id);
         }