release.yml

on:
  workflow_dispatch:

env:
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

name: "Release Manager"

jobs:
  get-prs:
    runs-on: ubuntu-latest
    outputs:
      pr_number: ${{ steps.get_prs.outputs.pr_number }}
    steps:
      - uses: actions/checkout@v4
      # headがrelease/かつopenのPRを1つ取得
      - name: Get PRs
        run: |
          echo "pr_number=$(gh pr list --limit 1 --search "head:release/ is:open" --json number  --jq '.[] | .number')" >> $GITHUB_OUTPUT
        id: get_prs

  dispatch-release:
    permissions:
      contents: write
      issues: write
      pull-requests: write
    needs: get-prs
    runs-on: ubuntu-latest
    if: ${{ needs.get-prs.outputs.pr_number != '' }}
    # 開いているリリースのパッチバージョンを上げる
    name: "Dispatch Release"
    steps:
      - uses: actions/checkout@v4
      - name: git config
        run: |
          git config --local user.email "LuckyBeast@users.noreply.github.com"
          git config --local user.name "LuckyBeast"
      # pr_numberからPR情報を取得
      - name: Get PR
        run: |
          PR_JSON=$(gh pr view ${{ needs.get-prs.outputs.pr_number }} --json isDraft,headRefName)
          echo "PR_IS_DRAFT=$(echo $PR_JSON | jq -r '.isDraft')" >> $GITHUB_OUTPUT
          echo "PR_HEAD_REF=$(echo $PR_JSON | jq -r '.headRefName')" >> $GITHUB_OUTPUT
        id: get_pr
      # checkout PR
      - uses: actions/checkout@v4
        with:
          ref: ${{ steps.get_pr.outputs.PR_HEAD_REF }}
      # jqでpackage.jsonから現在のバージョンを取得
      - name: Get current version
        run: |
          jq -r '.version' package.json
          echo "current_version=$(jq -r '.version' package.json)" >> $GITHUB_OUTPUT
        id: get_current_version
      # current_versionを加工してtarget_versionを取得
      - name: Get target version
        uses: actions/script@v7
        env:
          CURRENT_VERSION: ${{ steps.get_current_version.outputs.current_version }}
        with:
          script: |
            return process.env.CURRENT_VERSION.split('-')[0];
          result-encoding: string
        id: next_target_version
      # バージョンをインクリメント
      - name: Increment version
        uses: actions/script@v7
        env:
          CURRENT_VERSION: ${{ steps.get_current_version.outputs.current_version }}
          PR_IS_DRAFT: ${{ steps.get_pr.outputs.PR_IS_DRAFT == 'true' }}
        with:
          script: |
            console.log(process.env.PR_IS_DRAFT, '${{ steps.get_pr.outputs.PR_IS_DRAFT }}')
            const [major, minor, _patch, _pre] = process.env.CURRENT_VERSION.split('.');
            const pre = Number(_pre);
            if (Number.isNaN(pre)) {
              console.error('Invalid pre version', year, month, process.env.CURRENT_VERSION, major, minor, _patch);
              throw new Error('Invalid pre version');
            }

            if (process.env.PR_IS_DRAFT) {
              if (_patch.endsWith('beta')) {
                return `${major}.${minor}.${_patch}.${pre + 1}`;
              }
              return `${major}.${minor}.${_patch.split('-')[0]}-beta.${pre + 1}`;
            }
            if (_patch.endsWith('rc')) {
              return `${major}.${minor}.${_patch}.${pre + 1}`;
            }
            return `${major}.${minor}.${_patch.split('-')[0]}-rc.${pre + 1}`;

          result-encoding: string
        id: next_release_version
      # バージョンをpackage.jsonに書き込み
      - name: Write version
        run: |
          jq '.version = "${{ steps.next_release_version.outputs.result }}"' package.json > package.json.tmp && mv package.json.tmp package.json
          jq '.version = "${{ steps.next_release_version.outputs.result }}"' packages/misskey-js/package.json > packages/misskey-js/package.json.tmp && mv packages/misskey-js/package.json.tmp packages/misskey-js/package.json
      # release/ブランチとタグを作成
      - name: Commit version
        run: |
          git commit -am "Bump version to ${{ steps.next_release_version.outputs.result }}"
          git push origin HEAD:release/${{ steps.next_target_version.outputs.result }}
          git tag "${{ steps.next_release_version.outputs.result }}"
          git push origin "${{ steps.next_release_version.outputs.result }}"
      # CHANGELOG.mdのUnreleasedの内容を取得
      - name: Get changelog
        run: |
          {
            echo 'changelog<<EOF'
            sed -n '/## ${{ steps.next_target_version.outputs.result }}/,/^## /p' CHANGELOG.md | sed -e 1d -e '$d'
            echo EOF
          } >> $GITHUB_OUTPUT
        id: changelog
      # リリースを作成
      - name: Create release
        run: |
          gh release create "${{ steps.next_release_version.outputs.result }}" --prerelease --title "${{ steps.next_release_version.outputs.result }}" --notes "${{ steps.changelog.outputs.changelog }}"
      # PRのnotesを更新
      - name: Update PR
        run: |
          gh pr edit ${{ needs.get-prs.outputs.pr_number }} --body "${{ steps.changelog.outputs.changelog }}"

  create-release:
    permissions:
      contents: write
      issues: write
      pull-requests: write
    needs: get-prs
    runs-on: ubuntu-latest
    if: ${{ needs.get-prs.outputs.pr_number == '' }}
    # 日付ベースでリリースを作成
    name: "Create Release"
    steps:
      - uses: actions/checkout@v4
      - name: git config
        run: |
          git config --local user.email "LuckyBeast@users.noreply.github.com"
          git config --local user.name "LuckyBeast"
      # jqでpackage.jsonから現在のバージョンを取得
      - name: Get current version
        run: |
          jq -r '.version' package.json
          echo "current_version=$(jq -r '.version' package.json)" >> $GITHUB_OUTPUT
        id: get_current_version
      # バージョンをインクリメント
      - name: Increment version
        uses: actions/script@v7
        env:
          CURRENT_VERSION: ${{ steps.get_current_version.outputs.current_version }}
        with:
          script: |
            const now = new Date();
            const year = now.toLocaleDateString('en-US', { year: 'numeric', timeZone: 'Asia/Tokyo' });
            const month = now.toLocaleDateString('en-US', { month: 'numeric', timeZone: 'Asia/Tokyo' });
            const [major, minor, _patch] = process.env.CURRENT_VERSION.split('.');
            const patch = Number(_patch.split('-')[0]);
            if (Number.isNaN(patch)) {
              console.error('Invalid patch version', year, month, process.env.CURRENT_VERSION, major, minor, _patch);
              throw new Error('Invalid patch version');
            }
            if (year !== major || month !== minor) {
              return `${year}.${month}.0`;
            } else {
              return `${major}.${minor}.${patch + 1}`;
            }
          result-encoding: string
        id: next_target_version
      - name: beta 0
        run: echo "result=${{ steps.next_target_version.outputs.result }}-beta.0" >> $GITHUB_OUTPUT
        id: next_release_version
      # バージョンをpackage.jsonに書き込み
      - name: Write version
        run: |
          jq '.version = "${{ steps.next_release_version.outputs.result }}"' package.json > package.json.tmp && mv package.json.tmp package.json
          jq '.version = "${{ steps.next_release_version.outputs.result }}"' packages/misskey-js/package.json > packages/misskey-js/package.json.tmp && mv packages/misskey-js/package.json.tmp packages/misskey-js/package.json
      # CHANGELOG.mdのUnreleasedの内容を取得
      - name: Get changelog
        run: |
          {
            echo 'changelog<<EOF'
            sed -n '/## 202x.x.x (Unreleased)/,/^## /p' CHANGELOG.md | sed -e 1d -e '$d'
            echo EOF
          } >> $GITHUB_OUTPUT
        id: changelog
      # CHANGELOG.mdのバージョンの書き換え
      - name: Modify CHANGELOG.md
        run: |
          sed -i 's/## 202x.x.x (Unreleased)/## ${{ steps.next_target_version.outputs.result }}/' CHANGELOG.md
      # release/ブランチとタグを作成
      - name: Commit version
        run: |
          git commit -am "Bump version to ${{ steps.next_release_version.outputs.result }}"
          git push origin HEAD:release/${{ steps.next_target_version.outputs.result }}
          git tag "${{ steps.next_release_version.outputs.result }}"
          git push origin "${{ steps.next_release_version.outputs.result }}"
      # リリースを作成
      - name: Create release
        run: |
          gh release create "${{ steps.next_release_version.outputs.result }}" --prerelease --title "${{ steps.next_release_version.outputs.result }}" --notes "${{ steps.changelog.outputs.changelog }}"
      # PRを作成
      - name: Create PR
        run: |
          gh pr create --draft --title "Release: ${{ steps.next_target_version.outputs.result }}" --body "${{ steps.changelog.outputs.changelog }}" --head release/${{ steps.next_target_version.outputs.result }} --base ${{ github.ref_name }}