.gitea/workflows/build-with-cache.yml

@@ -9,25 +9,23 @@ on:
 jobs:
   build:
     name: Cargo build (clawstor-cached)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest       # host runner — cargo/cmake pre-installed
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install system build deps
+      - name: Preflight tools + toolchain
+        # Host runner: cmake/gcc/pkg-config come from the OS,
+        # cargo/rustup come from the act_runner user's ~/.cargo/bin
+        # (already on PATH via systemd unit Environment=).
         run: |
-          apt-get update
-          apt-get install -y --no-install-recommends \
-            cmake build-essential pkg-config
-
-      - name: Ensure rustup toolchain matches rust-toolchain.toml
-        run: |
-          if ! command -v rustup >/dev/null 2>&1; then
-            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
-              | sh -s -- -y --profile minimal
-            . "$HOME/.cargo/env"
-          fi
-          # rustup will honour rust-toolchain.toml on next invocation
-          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+          echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+          for bin in rustc cargo cmake pkg-config; do
+            if ! command -v $bin >/dev/null 2>&1; then
+              echo "::error::$bin not found on PATH"
+              exit 1
+            fi
+            $bin --version | head -1
+          done
 
       - name: Build with clawstor cache
         id: cache
@@ -35,8 +33,7 @@ jobs:
         with:
           workspace: '.'
           profile: 'dev'
-          # On main-branch pushes we populate the cache; on PRs we
-          # read-only to avoid a fork poisoning the cache.
+          # Read-only from forks so a malicious PR can't poison the cache.
           no-upload: ${{ github.event_name == 'pull_request' }}
 
       - name: Announce outcome