Check license headers in pull requests.

.github/workflows/test.yml

@@ -52,9 +52,26 @@ jobs:
           packages=$(cargo metadata --no-deps --format-version 1 --locked | jq -r '.packages[] | select(.publish != []) | "--package=\(.name)"')
           cargo check $packages --all-targets --locked
 
+  license:
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@v7
+        with:
+          # Copyright lines come from the full history of the commits under review, not of GitHub's merge commit.
+          ref: ${{ github.event.pull_request.head.sha || github.sha }}
+          fetch-depth: 0
+      - uses: actions-rust-lang/setup-rust-toolchain@v2
+        with:
+          cache-shared-key: license-bake-launcher-v1
+      - name: Install Bake launcher
+        run: cargo install bake --locked
+      - name: Check license files and Rust source headers
+        run: cargo bake --locked license:check
+
   test-result:
     if: always()
-    needs: [test, minimum-rust]
+    needs: [test, minimum-rust, license]
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:

bake/Cargo.toml

@@ -6,5 +6,5 @@ publish = false
 
 [dependencies]
 bake = ">=0.20, <1"
-base-project = ">=0.1.7"
+base-project = ">=0.1.8"