release-prepare-branch.yml

name: "Release: Prepare Branch"

on:
  workflow_dispatch:
    inputs:
      new-branch:
        description: 'Name of the new branch (e.g. release/T24.centaur)'
        default: release/T24.release-name
        required: true
      version-bump-type:
        description: 'Type of version bump'
        required: true
        type: choice
        options:
          - major (X.x.x)
          - feature (x.X.x)
          - maintenance (x.x.X)
          - hotfix (x.x.x.X)

jobs:
  create-pull-request:
    runs-on: ubuntu-latest

    steps:
      - name: Print input vars to summary
        run: |
          echo "### Debugging Inputs" >> $GITHUB_STEP_SUMMARY
          echo "- version-bump-type: \`${{ github.event.inputs['version-bump-type'] }}\`" >> $GITHUB_STEP_SUMMARY
          echo "- new-branch: \`${{ github.event.inputs['new-branch'] }}\`" >> $GITHUB_STEP_SUMMARY

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}

      - name: Set Variables
        id: vars
        run: |
          versionBumpType="${{ github.event.inputs.version-bump-type }}"
          echo "sha_short=$(git rev-parse --short ${{ github.sha }})" >> $GITHUB_OUTPUT
          echo "version_bump_type=${versionBumpType%% *}" >> $GITHUB_OUTPUT

      - name: Set up Git configuration
        run: |
          git config --global user.email "actions@github.com"
          git config --global user.name "github-actions"

      - name: Check for .puprc file and paths.versions
        id: check-puprc
        run: |
          if [ ! -f ".puprc" ]; then
            echo "Error: .puprc file not found" >> $GITHUB_STEP_SUMMARY
            exit 1
          fi
          if ! jq -e '.paths.versions' .puprc > /dev/null; then
            echo "Error: paths.versions not found in .puprc" >> $GITHUB_STEP_SUMMARY
            exit 1
          fi

      - name: Create and push release branch
        id: create-release-branch
        run: |
          newBranch="${{ github.event.inputs.new-branch }}"
          if git show-ref --quiet "refs/heads/$newBranch"; then
            echo "Branch $newBranch already exists, skipping creation."
            git fetch origin "$newBranch"
            git checkout "$newBranch"
          else
            git checkout -b "$newBranch"
            git push origin "$newBranch" || (git fetch origin "$newBranch" && git reset --hard "origin/$newBranch")
          fi

      - name: Read and apply version bump
        id: versions
        run: |
          changeBranch="task/version-bump-${{ github.event.inputs.new-branch }}-${{ steps.vars.outputs.sha_short }}"
          git checkout -b "$changeBranch"
          git push origin "$changeBranch"
          versionBumpType="${{ steps.vars.outputs.version_bump_type }}"

          jq -c '.paths.versions[]' .puprc | while read -r version; do
            echo "Processing version info: $version"
            file=$(echo "$version" | jq -r '.file')
            regex=$(echo "$version" | jq -r '.regex')

            echo "## \`$file\`" >> $GITHUB_STEP_SUMMARY
            if [ -f "$file" ]; then
              existing_version=$(grep -Po "$regex" "$file" | grep -Po '(\d+\.\d+\.\d+(\.\d+)?)')
              if [ -z "$existing_version" ]; then
                echo "Error: No version found in \`$file\` using regex \`$regex\`" >> $GITHUB_STEP_SUMMARY
                exit 1
              fi
              echo "* Found: \`$existing_version\`" >> $GITHUB_STEP_SUMMARY

              if [ "$versionBumpType" = "hotfix" ] && [ "$file" = "package.json" ]; then
                echo "Skipping version bump in \`package.json\` for \`hotfix\` mode" >> $GITHUB_STEP_SUMMARY
                continue
              fi
              
              IFS='.' read -r -a version_parts <<< "$existing_version"

              case "$versionBumpType" in
                major)
                  version_parts[0]=$((version_parts[0] + 1))
                  version_parts[1]=0
                  version_parts[2]=0
                  unset version_parts[3]
                  ;;
                feature)
                  version_parts[1]=$((version_parts[1] + 1))
                  version_parts[2]=0
                  unset version_parts[3]
                  ;;
                maintenance)
                  version_parts[2]=$((version_parts[2] + 1))
                  unset version_parts[3]
                  ;;
                hotfix)
                  if [ -z "${version_parts[3]}" ]; then
                    version_parts[3]=1
                  else
                    version_parts[3]=$((version_parts[3] + 1))
                  fi
                  ;;
              esac

              new_version="${version_parts[0]}.${version_parts[1]}.${version_parts[2]}"
              if [ -n "${version_parts[3]}" ]; then
                new_version="$new_version.${version_parts[3]}"
              fi

              echo "* Modified: \`$new_version\`" >> $GITHUB_STEP_SUMMARY

              php_regex=$(echo "$regex" | sed "s/'/\\\\'/g")
              php -r "file_put_contents('$file', preg_replace('/$php_regex/', '\${1}$new_version', file_get_contents('$file')));"

              echo "new_version=$new_version" >> $GITHUB_OUTPUT
            else
              echo "Error: File \`$file\` not found" >> $GITHUB_STEP_SUMMARY
              exit 1
            fi
          done

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v6
        id: cpr
        with:
          token: ${{ secrets.GHA_BOT_TOKEN_MANAGER }}
          base: "${{ github.event.inputs.new-branch }}"
          branch: "task/version-bump-${{ github.event.inputs.new-branch }}-${{ steps.vars.outputs.sha_short }}"
          title: "[BOT] Version bump for '${{ github.event.inputs.new-branch }}'"
          body: |
            This is an automated PR created by ${{ github.actor }}.
            It was generated by [this GitHub Action](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}).
          labels: "automation"
          commit-message: |
            Version bump for ${{ github.event.inputs.new-branch }}

            This is an automated PR created by ${{ github.actor }}.
            Generated by: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}

      - name: Check outputs
        if: ${{ steps.cpr.outputs.pull-request-number }}
        run: |
          echo "## Pull Request"  >> $GITHUB_STEP_SUMMARY
          echo "* Number - ${{ steps.cpr.outputs.pull-request-number }}" >> $GITHUB_STEP_SUMMARY
          echo "* URL - [${{ steps.cpr.outputs.pull-request-url }}](${{ steps.cpr.outputs.pull-request-url }})" >> $GITHUB_STEP_SUMMARY