standardlogicapp-autobump.yml

name: StandardLogicApp - Auto-bump VERSION on PR

on:
  pull_request:
    branches: [master]
    paths:
      - 'Microsoft.SCIM.LogicAppValidationTemplate/StandardLogicApp/**'

permissions:
  contents: write
  pull-requests: write

concurrency:
  group: standardlogicapp-bump-${{ github.head_ref }}
  cancel-in-progress: true

jobs:
  autobump:
    if: ${{ github.event.pull_request.head.repo.fork == false }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout PR branch
        uses: actions/checkout@v4
        with:
          ref: ${{ github.head_ref }}
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Loop guard - skip if last commit was an auto-bump
        id: guard
        run: |
          LAST_MSG=$(git log -1 --pretty=%B)
          if echo "$LAST_MSG" | grep -q '\[skip-bump\]'; then
            echo "skip=true" >> $GITHUB_OUTPUT
            echo "Last commit is an auto-bump. Skipping."
          else
            echo "skip=false" >> $GITHUB_OUTPUT
          fi

      - name: Determine bump type from PR labels
        if: steps.guard.outputs.skip != 'true'
        id: bumptype
        env:
          LABELS: ${{ toJson(github.event.pull_request.labels.*.name) }}
        run: |
          if echo "$LABELS" | grep -q '"version:skip"'; then
            echo "type=skip" >> $GITHUB_OUTPUT
          elif echo "$LABELS" | grep -q '"version:major"'; then
            echo "type=major" >> $GITHUB_OUTPUT
          elif echo "$LABELS" | grep -q '"version:patch"'; then
            echo "type=patch" >> $GITHUB_OUTPUT
          else
            echo "type=minor" >> $GITHUB_OUTPUT
          fi

      - name: Read current and base VERSION
        if: steps.guard.outputs.skip != 'true' && steps.bumptype.outputs.type != 'skip'
        id: ver
        run: |
          FILE="Microsoft.SCIM.LogicAppValidationTemplate/StandardLogicApp/VERSION"
          CURRENT=$(tr -d '[:space:]' < "$FILE")
          git fetch origin ${{ github.base_ref }} --depth=1
          BASE=$(git show origin/${{ github.base_ref }}:"$FILE" 2>/dev/null | tr -d '[:space:]' || echo "")
          echo "current=$CURRENT" >> $GITHUB_OUTPUT
          echo "base=$BASE"       >> $GITHUB_OUTPUT
          echo "Current PR VERSION: $CURRENT"
          echo "Base   VERSION:     $BASE"

      - name: Bump VERSION if unchanged
        if: steps.guard.outputs.skip != 'true' && steps.bumptype.outputs.type != 'skip' && steps.ver.outputs.current == steps.ver.outputs.base
        id: bump
        run: |
          FILE="Microsoft.SCIM.LogicAppValidationTemplate/StandardLogicApp/VERSION"
          CUR="${{ steps.ver.outputs.current }}"
          TYPE="${{ steps.bumptype.outputs.type }}"

          MAJOR=$(echo "$CUR" | cut -d. -f1)
          MINOR=$(echo "$CUR" | cut -d. -f2)
          PATCH=$(echo "$CUR" | cut -d. -f3)
          [ -z "$MINOR" ] && MINOR=0
          [ -z "$PATCH" ] && PATCH=0

          case "$TYPE" in
            major) NEW="$((MAJOR+1)).0" ;;
            minor) NEW="${MAJOR}.$((MINOR+1))" ;;
            patch) NEW="${MAJOR}.${MINOR}.$((PATCH+1))" ;;
          esac

          echo "$NEW" > "$FILE"
          echo "new=$NEW" >> $GITHUB_OUTPUT
          echo "Bumping $CUR -> $NEW ($TYPE)"

          git config user.name  "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add "$FILE"
          git commit -m "chore(StandardLogicApp): bump VERSION to $NEW [skip-bump]"
          git push

      - name: Comment resulting version on PR
        if: steps.bump.outputs.new != ''
        uses: actions/github-script@v7
        with:
          script: |
            const v = '${{ steps.bump.outputs.new }}';
            github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: `🔖 Auto-bumped \`StandardLogicApp/VERSION\` to **${v}**.\nOn merge to master, tag \`scim-logicapp-template-v${v}\` will be created.\n\nTo override, add one of: \`version:major\`, \`version:patch\`, \`version:skip\` and re-run.`
            });

      - name: Note when author already bumped
        if: steps.guard.outputs.skip != 'true' && steps.bumptype.outputs.type != 'skip' && steps.ver.outputs.current != steps.ver.outputs.base && steps.bump.outputs.new == ''
        run: |
          echo "✅ VERSION already bumped from ${{ steps.ver.outputs.base }} to ${{ steps.ver.outputs.current }}. No action needed."

  fork-pr-check:
    if: ${{ github.event.pull_request.head.repo.fork == true }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Require manual VERSION bump for fork PRs
        run: |
          FILE="Microsoft.SCIM.LogicAppValidationTemplate/StandardLogicApp/VERSION"
          git fetch origin ${{ github.base_ref }} --depth=1
          CUR=$(tr -d '[:space:]' < "$FILE")
          BASE=$(git show origin/${{ github.base_ref }}:"$FILE" 2>/dev/null | tr -d '[:space:]' || echo "")
          if [ "$CUR" = "$BASE" ]; then
            echo "::error::Fork PRs cannot be auto-bumped. Please bump $FILE manually."
            exit 1
          fi
          echo "✅ VERSION bumped from $BASE to $CUR."