release.yml

name: Release

on:
  push:
    branches:
      - main

concurrency:
  group: release
  cancel-in-progress: true

permissions:
  contents: write
  pull-requests: write

jobs:
  release:
    name: Tag, Release, and Version Bump
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          fetch-depth: 0

      - name: Read version from pantheon.php
        id: version
        run: |
          VERSION=$(grep -oP "define\( 'PANTHEON_MU_PLUGIN_VERSION', '\K[^']+" pantheon.php)
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "Detected version: $VERSION"

      - name: Check whether this is a release version
        id: check
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          if [[ "$VERSION" == *-dev ]]; then
            echo "is_release=false" >> "$GITHUB_OUTPUT"
            echo "Version $VERSION ends in -dev — skipping release."
          else
            echo "is_release=true" >> "$GITHUB_OUTPUT"
            echo "Version $VERSION is a release candidate — proceeding."
          fi

      - name: Configure git identity
        if: steps.check.outputs.is_release == 'true'
        run: |
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config user.name "github-actions[bot]"

      - name: Create Git tag
        if: steps.check.outputs.is_release == 'true'
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          git tag "$VERSION"
          git push origin "$VERSION"

      - name: Create GitHub Release
        if: steps.check.outputs.is_release == 'true'
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          gh release create "$VERSION" \
            --generate-notes \
            --title "$VERSION"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Compute next dev version
        if: steps.check.outputs.is_release == 'true'
        id: next
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          IFS='.' read -r MAJOR MINOR PATCH <<< "$VERSION"
          NEXT_PATCH=$(( PATCH + 1 ))
          NEXT_VERSION="${MAJOR}.${MINOR}.${NEXT_PATCH}-dev"
          echo "next_version=$NEXT_VERSION" >> "$GITHUB_OUTPUT"
          echo "Next dev version: $NEXT_VERSION"

      - name: Bump version in pantheon.php
        if: steps.check.outputs.is_release == 'true'
        env:
          NEXT: ${{ steps.next.outputs.next_version }}
        run: |
          sed -i "s/^\( \* Version: \).*/\1${NEXT}/" pantheon.php
          sed -i "s/\(define( 'PANTHEON_MU_PLUGIN_VERSION', '\)[^']*\(.*\)/\1${NEXT}\2/" pantheon.php

      - name: Verify both version strings were updated
        if: steps.check.outputs.is_release == 'true'
        env:
          NEXT: ${{ steps.next.outputs.next_version }}
        run: |
          COUNT=$(grep -c "$NEXT" pantheon.php)
          if [ "$COUNT" -lt 2 ]; then
            echo "ERROR: Expected at least 2 occurrences of $NEXT in pantheon.php, found $COUNT"
            grep -n "Version\|PANTHEON_MU_PLUGIN_VERSION" pantheon.php
            exit 1
          fi
          echo "Both version strings updated to $NEXT"
          grep -n "Version\|PANTHEON_MU_PLUGIN_VERSION" pantheon.php

      - name: Open version bump PR
        if: steps.check.outputs.is_release == 'true'
        env:
          NEXT: ${{ steps.next.outputs.next_version }}
        run: |
          BRANCH="chore/bump-version-${NEXT}"
          git checkout -b "$BRANCH"
          git add pantheon.php
          git commit -m "chore: bump version to ${NEXT}"
          git push origin "$BRANCH"
          gh pr create \
            --title "chore: bump version to ${NEXT}" \
            --body "Automated version bump after release. Merges automatically." \
            --base main \
            --head "$BRANCH"
          gh pr merge "$BRANCH" --auto --squash
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}