Harden CI

.github/workflows/ci.yml

@@ -25,6 +25,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          persist-credentials: false
 
       - uses: hynek/build-and-inspect-python-package@v2
         id: baipp
@@ -61,10 +62,12 @@ jobs:
       - uses: hynek/setup-cached-uv@v2
 
       - name: Run tests
+        env:
+          PYTHON: ${{ matrix.python-version }}
         run: >
           uvx --with tox-uv tox run
           --installpkg dist/*.whl
-          -f py$(echo ${{ matrix.python-version }} | tr -d .)-tests
+          -f py${PYTHON//./}-tests
 
       - name: Upload coverage data
         uses: actions/upload-artifact@v4
@@ -75,10 +78,12 @@ jobs:
           if-no-files-found: ignore
 
       - name: Check public API with Mypy
+        env:
+          PYTHON: ${{ matrix.python-version }}
         run: >
           uvx --with tox-uv tox run
           --installpkg dist/*.whl
-          -e py$(echo ${{ matrix.python-version }} | tr -d .)-mypy
+          -e py${PYTHON//./}-mypy
 
   coverage:
     name: Ensure 100% test coverage
@@ -88,6 +93,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-python@v5
         with:
           python-version-file: .python-version-default
@@ -190,6 +197,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: actions/setup-python@v5
         with:
           python-version-file: .python-version-default

.github/workflows/codeql-analysis.yml

@@ -2,11 +2,6 @@
 name: CodeQL
 
 on:
-  # push:
-  #   branches: [main]
-  # pull_request:
-  #   # The branches below must be a subset of the branches above
-  #   branches: [main]
   schedule:
     - cron: "30 22 * * 4"
 
@@ -30,6 +25,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3

.github/workflows/zizmor.yml

@@ -0,0 +1,37 @@
+# https://github.com/woodruffw/zizmor
+name: GitHub Actions Security Analysis with Zizmor
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["*"]
+
+permissions:
+  contents: read
+
+jobs:
+  zizmor:
+    name: Zizmor latest via Cargo
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Setup Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Get zizmor
+        run: cargo install zizmor
+      - name: Run zizmor
+        run: zizmor --format sarif . > results.sarif
+      - name: Upload SARIF file
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          # Path to SARIF file relative to the root of the repository
+          sarif_file: results.sarif
+          # Optional category for the results
+          # Used to differentiate multiple results for one commit
+          category: zizmor