ci(PR): introduce new workflow PR

.github/workflows/CI.yaml

@@ -5,10 +5,6 @@ on:
     - cron: "0 3 * * *"
   push:
     branches: [master, vara-stage-1, vara-stage-2, vara-stage-3]
-  pull_request:
-    branches: [master, vara-stage-1, vara-stage-2, vara-stage-3]
-    types: [labeled, synchronize]
-
   workflow_dispatch:
 
 env:
@@ -44,6 +40,8 @@ jobs:
 
   build:
     uses: ./.github/workflows/build.yml
+    with:
+      macos: true
 
   build-win-native:
     if: ${{ github.ref == 'refs/heads/master' }}

.github/workflows/PR.yml

@@ -0,0 +1,50 @@
+name: PR
+
+on:
+  pull_request:
+    branches: [master, vara-stage-1, vara-stage-2, vara-stage-3]
+
+env:
+  CARGO_INCREMENTAL: 0
+  CARGO_TERM_COLOR: always
+  RUST_BACKTRACE: short
+  TERM: xterm-256color
+  BINARYEN_VERSION: version_111
+
+jobs:
+  status:
+    runs-on: ubuntu-latest
+    outputs:
+      cache: ${{ steps.check-commit-message.outputs.cache }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Check Commit Message
+        id: check-commit-message
+        run: |
+          MESSAGE=$(git show -s --format=%s)
+          CACHE=true
+          if [[ $MESSAGE == *"[skip-cache]"* ]]; then
+            CACHE=false
+          fi
+
+          echo "cache: ${CACHE}"
+          echo "cache=${CACHE}" >> $GITHUB_OUTPUT
+
+  check:
+    needs: status
+    uses: ./.github/workflows/check.yml
+    with:
+      cache: ${{ needs.status.outputs.cache }}
+
+  build:
+    needs: status
+    uses: ./.github/workflows/build.yml
+    if: >-
+      contains(github.event.pull_request.labels.*.name, 'A0-pleasereview')
+      || contains(github.event.pull_request.labels.*.name, 'A2-mergeoncegreen')
+    with:
+      cache: ${{ needs.status.outputs.cache }}
+      macos: contains(github.event.pull_request.labels.*.name, 'E2-forcemacos')

.github/workflows/build.yml

@@ -2,6 +2,13 @@ name: Build
 
 on:
   workflow_call:
+    inputs:
+      cache:
+        type: boolean
+        default: true
+      macos:
+        type: boolean
+        default: false
 
 env:
   CARGO_INCREMENTAL: 0
@@ -54,7 +61,7 @@ jobs:
           ./rust-covfix --version
 
       - name: "Cache: Unpack"
-        # if: ${{ github.event_name == 'pull_request' && !contains(needs.check-commit-message.outputs.commit-message, '[skip-cache]') }}
+        if: ${{ inputs.cache }}
         continue-on-error: true
         run: |
           tar -xf /cache/build_cargo_registry_${{ github.base_ref }}.tar -C /
@@ -255,7 +262,7 @@ jobs:
           mv ./cargo-xwin ${CARGO_HOME:-~/.cargo}/bin/
 
       - name: "Cache: Unpack"
-        # if: ${{ github.event_name == 'pull_request' && !contains(needs.check-commit-message.outputs.commit-message, '[skip-cache]') }}
+        if: ${{ inputs.cache }}
         continue-on-error: true
         run: |
           tar -xf /cache/build_win_cross_cargo_registry_${{ github.base_ref }}.tar -C /
@@ -293,7 +300,7 @@ jobs:
           mv /tmp/*.tar /cache/
 
   macos-x86:
-    if: ${{ always() && (github.ref == 'refs/heads/master' || contains(github.event.pull_request.labels.*.name, 'E2-forcemacos')) }}
+    if: ${{ always() && inputs.macos }}
     needs: linux
     runs-on: macos-latest
     env:

.github/workflows/check.yml

@@ -2,6 +2,10 @@ name: Check
 
 on:
   workflow_call:
+    inputs:
+      cache:
+        type: boolean
+        default: true
 
 env:
   CARGO_INCREMENTAL: 0
@@ -39,7 +43,7 @@ jobs:
           sudo cp binaryen-$BINARYEN_VERSION/bin/wasm-opt /usr/bin/
 
       - name: "Cache: Unpack"
-        # if: ${{ github.event_name == 'pull_request' && !contains(needs.check-commit-message.outputs.commit-message, '[skip-cache]') }}
+        if: ${{ github.event_name == 'pull_request' && !inputs.cache }}
         continue-on-error: true
         run: |
           tar -xf /cache/check_cargo_registry_${{ github.base_ref }}.tar -C /

.github/workflows/labels.yml

@@ -0,0 +1,26 @@
+name: Labels
+
+on:
+  pull_request:
+    branches: [master, vara-stage-1, vara-stage-2, vara-stage-3]
+    types: [labeled]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.11.0
+        with:
+          access_token: ${{ github.token }}
+
+  build:
+    uses: ./.github/workflows/build.yml
+    # TODO: dispatch this workflow with github action API
+    # for more conditions. for example, if the there is
+    # already a build check exist. (issue-2888)
+    if: >-
+      github.event.label.name == 'A0-pleasereview'
+      || github.event.label.name == 'E2-forcemacos'
+    with:
+      macos: github.event.label.name == 'E2-forcemacos'