auto_cherry_pick.yml

name: Auto cherry-pick Keiyoushi

on:
  schedule:
    - cron: "0 */8 * * *"
  workflow_dispatch: # Manual dispatch

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  auto-merge:
    name: Auto cherry-pick Keiyoushi
    if: github.repository == 'komikku-app/komikku-extensions'
    runs-on: ubuntu-latest

    steps:
      - name: Clone master
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
        with:
          ref: master
          path: master
          fetch-depth: 100
          token: ${{ secrets.BOT_PAT }}

      - name: Import GPG key
        id: import-gpg
        uses: crazy-max/ghaction-import-gpg@cb9bde2e2525e640591a934b1fd28eef1dcaf5e5 # v6
        with:
          workdir: master
          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
          passphrase: ${{ secrets.PASSPHRASE }}
          git_user_signingkey: true
          git_commit_gpgsign: true

      - name: GPG user IDs
        run: |
          echo "fingerprint: ${{ steps.import-gpg.outputs.fingerprint }}"
          echo "keyid:       ${{ steps.import-gpg.outputs.keyid }}"
          echo "name:        ${{ steps.import-gpg.outputs.name }}"
          echo "email:       ${{ steps.import-gpg.outputs.email }}"

      - name: Cherry-picking
        run: |
          cd master
          
          git fetch origin keiyoushi
          git checkout keiyoushi
          echo "Last commit: `git log -1 --oneline`"
          git remote add keiyoushi-upstream https://github.com/keiyoushi/extensions-source
          git fetch keiyoushi-upstream
          echo "Last commit: `git log -1 --oneline keiyoushi-upstream/main`"

          echo "Incoming commits:"
          echo "`git log keiyoushi..keiyoushi-upstream/main --oneline`"
          upcoming_changes=`git log keiyoushi..keiyoushi-upstream/main --pretty="%h"`
          
          # Read the upcoming changes' hash into an array
          upcoming_changes_hash=()
          while read -r line; do
            upcoming_changes_hash+=("$line")
          done <<< "$upcoming_changes"
          
          git checkout master
          echo "Last commit: `git log -1 --oneline`"
          # Loop through indices in reverse order
          for (( i=${#upcoming_changes_hash[@]}; i>=0; i-- )); do
            if [ ! -z "${upcoming_changes_hash[i]}" -a "${upcoming_changes_hash[i]}" != " " ]; then
              echo "[$i]: Cherry picking '${upcoming_changes_hash[i]}'"
              git cherry-pick "${upcoming_changes_hash[i]}"
              latest_hash=${upcoming_changes_hash[i]}
            else
              echo "[$i]: skip '${upcoming_changes_hash[i]}'"
            fi
          done
          
          echo "Last commit: `git log -1 --oneline`"

          echo "LATEST_HASH=${latest_hash}" >> $GITHUB_ENV

      - name: Merging keiyoushi-upstream to keiyoushi
        run: |
          cd master
          git checkout keiyoushi
          echo "Last commit: `git log -1 --oneline`"
          latest_commit_hash=${{ env.LATEST_HASH }}
          if [ ! -z "$latest_commit_hash" -a "$latest_commit_hash" != " " ]; then
            echo "Merging commit '$latest_commit_hash' from 'keiyoushi-upstream' into keiyoushi"
            git merge "$latest_commit_hash" --no-ff -m "Merge branch 'keiyoushi-upstream' into keiyoushi"
          fi

          echo "Last commit: `git log -1 --oneline`"

      - name: Merging master to merge-keiyoushi
        run: |
          cd master
          git fetch origin merge-keiyoushi
          git checkout merge-keiyoushi
          echo "Last commit: `git log -1 --oneline`"
          echo "Merging 'master' into merge-keiyoushi"
          git merge --no-edit master
          echo "Last commit: `git log -1 --oneline`"

      - name: Merging keiyoushi-upstream to merge-keiyoushi
        run: |
          cd master
          echo "Merging 'keiyoushi-upstream/main' into merge-keiyoushi"
          git merge -S --no-edit keiyoushi-upstream/main
          echo "Last commit: `git log -1 --oneline`"

      - name: Pushing to repo
        run: |
          cd master
          git checkout master
          echo "Last commit: `git log -1 --oneline`"
          echo "Pushing 'master' to repo"
          git push
          git checkout keiyoushi
          echo "Last commit: `git log -1 --oneline`"
          echo "Pushing 'keiyoushi' to repo"
          git push
          git checkout merge-keiyoushi
          echo "Last commit: `git log -1 --oneline`"
          echo "Pushing 'merge-keiyoushi' to repo"
          git push