.github/workflows/formal.yml

   1 name: Test Formalities
   2
   3 on:
   4   pull_request:
   5
   6 permissions:
   7   contents: read
   8
   9 jobs:
  10   build:
  11     name: Test Formalities
  12     runs-on: ubuntu-latest
  13     strategy:
  14       fail-fast: false
  15
  16     steps:
  17       - uses: actions/checkout@v3
  18         with:
  19           ref: ${{ github.event.pull_request.head.sha }}
  20           fetch-depth: 0
  21
  22       - name: Determine branch name
  23         run: |
  24           BRANCH="${GITHUB_BASE_REF#refs/heads/}"
  25           echo "Building for $BRANCH"
  26           echo "BRANCH=$BRANCH" >> $GITHUB_ENV
  27
  28       - name: Test formalities
  29         run: |
  30           source .github/workflows/scripts/ci_helpers.sh
  31
  32           RET=0
  33           for commit in $(git rev-list HEAD ^origin/$BRANCH); do
  34             info "=== Checking commit '$commit'"
  35             if git show --format='%P' -s $commit | grep -qF ' '; then
  36               err "Pull request should not include merge commits"
  37               RET=1
  38             fi
  39
  40             subject="$(git show -s --format=%s $commit)"
  41             if echo "$subject" | grep -q -e '^[0-9A-Za-z,+/_\.-]\+: ' -e '^Revert '; then
  42               success "Commit subject line seems ok ($subject)"
  43             else
  44               err "Commit subject line MUST start with '<area>: ' ($subject)"
  45               RET=1
  46             fi
  47
  48             body="$(git show -s --format=%b $commit)"
  49             sob="$(git show -s --format='Signed-off-by: %aN <%aE>' $commit)"
  50             if echo "$body" | grep -qF "$sob"; then
  51               success "Signed-off-by match author"
  52             else
  53               err "Signed-off-by is missing or doesn't match author (should be '$sob')"
  54               RET=1
  55             fi
  56
  57             if echo "$body" | grep -v "Signed-off-by:"; then
  58               success "A commit message exists"
  59             else
  60               err "Missing commit message. Please describe your changes"
  61               RET=1
  62             fi
  63           done
  64
  65           exit $RET