pr-tagging.yml

name: PR Tagging and RC Tag Management

# This workflow creates a tag for pull requests into the main branch.
# The tag for open pull requests is of the form vX.Y.ZrcPRNUM
# where X.Y.Z is the base version (which is incremented according to the PR title)
# and PRNUM is the pull request number (to prevent conflicts for multiple PRs open at once).
# By default the Z number is incremented, but if the PR title contains [major] or [minor],
# the X or Y version numbers are incremented respectively.
# The tag for merged pull requests is of the form vX.Y.Z with no additions.

on:
  pull_request:
    types: [opened, reopened, synchronize, closed]
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: write
  issues: write
  actions: write
  packages: write
  id-token: write

jobs:
  manage-pr-tags:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Compute base version (bump patch/minor/major from PR title)
        id: compute_base
        run: |
          PR_TITLE="${{ github.event.pull_request.title || '' }}"
          base=$(bash scripts/compute_base.sh "$PR_TITLE")
          echo "base=$base" >> $GITHUB_OUTPUT

      - name: Check if rc tag already exists and if so compute rc-dev tag
        id: check_rc
        run: |
          rc_tag="${{ steps.compute_base.outputs.base }}rc${{ github.event.pull_request.number }}"
          if git rev-parse "$rc_tag" >/dev/null 2>&1; then
            devN=$(git rev-list --count $rc_tag..HEAD)
            rc_dev_tag="${rc_tag}dev${devN}"
          else
            rc_dev_tag="${rc_tag}"
          fi
          echo "rc_dev_tag=${rc_dev_tag}" >> $GITHUB_OUTPUT

      - name: Create rc tag
        id: create_rc
        if: ${{ github.event.action == 'opened' || github.event.action == 'reopened' || github.event.action == 'synchronize' }}
        uses: rickstaa/action-create-tag@v1
        with:
          tag:  "${{ steps.check_rc.outputs.rc_dev_tag }}"
          message: "Release ${{ steps.check_rc.outputs.rc_dev_tag }}"
          commit_sha: ${{ github.event.pull_request.head.sha }}

      - name: Create final tag
        if: ${{ github.event.action == 'closed' && github.event.pull_request.merged == true }}
        uses: rickstaa/action-create-tag@v1
        with:
          tag: ${{ steps.compute_base.outputs.base }}
          message: "Release ${{ steps.compute_base.outputs.base }}"
          commit_sha: ${{ github.event.pull_request.merge_commit_sha }}

      - name: Dispatch docs deploy and publish package workflows
        if: ${{ github.event.action == 'closed' && github.event.pull_request.merged == false }} == false
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            try {
              const owner = context.repo.owner;
              const repo = context.repo.repo;
              const workflow_id_1 = 'deploy-docs.yml';
              const workflow_id_2 = 'publish-package.yml';

              let ref;
              if (${{ github.event.action == 'closed' && github.event.pull_request.merged == true }}) {
                ref = '${{ github.ref_name }}';
              }
              else { 
                ref = '${{ github.head_ref  || github.ref }}';
              }

              const resp  = await github.rest.actions.createWorkflowDispatch({ owner, repo, workflow_id: workflow_id_1, ref });
              const resp2 = await github.rest.actions.createWorkflowDispatch({ owner, repo, workflow_id: workflow_id_2, ref });
              console.log('docs dispatch response', resp && resp.status ? resp.status : resp);
              console.log('package dispatch response', resp2 && resp2.status ? resp2.status : resp2);
            } catch (err) {
              console.error('dispatch failed', err && err.status ? { status: err.status, message: err.message } : err);
              throw err;
            }