code-version.yml

name: Increment version

on:
  workflow_call:
        
env:
    FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

jobs:
  version:
    name: Check mergeability and increment version
    runs-on: ubuntu-24.04
    steps:
      - name: Checkout PR branch
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}

      # Make sure that PR has latest changes from main before incrementing version and tagging PR
      - name: main branch has no changes since last synced to PR branch
        run: |
          # https://stackoverflow.com/a/76151412/9747630
          # https://github.com/orgs/community/discussions/54825#discussioncomment-7579053
          if ! git merge-base --is-ancestor origin/main ${{ github.event.pull_request.head.sha }};
          then echo "This branch is not up to date with main";
          exit 1; fi
          
      - name: Update version
        run: |
          # https://api.github.com/users/github-actions%5Bbot%5D
          # https://github.com/orgs/community/discussions/26560#discussioncomment-3531273
          git config user.name github-actions
          git config user.email 41898282+github-actions[bot]@users.noreply.github.com

          PACKAGE_FILE="package.json"
          VERSION=$(jq -r '.version' "$PACKAGE_FILE")
          OLD_VERSION="$VERSION"
          MAJOR=$(echo "$VERSION" | cut -d '.' -f 1)
          MINOR=$(echo "$VERSION" | cut -d '.' -f 2)
          CURRENT_YEAR=$(date +'%Y')
          CURRENT_MONTH=$(date +'%-m')
          if [ "$MAJOR" != "$CURRENT_YEAR" ] || [ "$MINOR" != "$CURRENT_MONTH" ]; then
            npm version "$CURRENT_YEAR.$CURRENT_MONTH.0"
            echo "Version updated from $OLD_VERSION to $VERSION"
          else
            npm version patch
          fi
          git push && git push --tags