Prepare Release #13
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| name: Prepare Release | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| bump: | |
| type: choice | |
| description: "Version bump type" | |
| required: true | |
| options: | |
| - patch | |
| - minor | |
| - major | |
| preid: | |
| description: "(Optional) prerelease identifier (e.g. alpha, beta, rc)" | |
| required: false | |
| dry_run: | |
| type: boolean | |
| description: "Dry run (do not push/PR)" | |
| default: false | |
| required: true | |
| force_update_existing: | |
| type: boolean | |
| description: "If release branch already exists, force update it" | |
| default: false | |
| required: false | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| jobs: | |
| prepare: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout dev | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: dev | |
| fetch-depth: 0 | |
| - name: Set up Git user | |
| run: | | |
| git config user.name "github-actions[bot]" | |
| git config user.email "41898282+github-actions[bot]@users.noreply.github.com" | |
| - name: Read current version | |
| id: current | |
| run: | | |
| CURR=$(grep '^version:' pubspec.yaml | head -1 | awk '{print $2}') | |
| echo "current=$CURR" >> $GITHUB_OUTPUT | |
| - name: Compute next version | |
| id: next | |
| run: | | |
| set -e | |
| bump='${{ github.event.inputs.bump }}' | |
| curr='${{ steps.current.outputs.current }}' | |
| pre='${{ github.event.inputs.preid }}' | |
| base=${curr%%-*} # strip prerelease if any | |
| IFS='.' read -r MA MI PA <<< "$base" | |
| case "$bump" in | |
| patch) PA=$((PA+1));; | |
| minor) MI=$((MI+1)); PA=0;; | |
| major) MA=$((MA+1)); MI=0; PA=0;; | |
| esac | |
| next="$MA.$MI.$PA" | |
| if [ -n "$pre" ]; then | |
| # If current already has same pre id, increment numeric suffix | |
| if [[ $curr == *"$pre"* ]]; then | |
| # Extract trailing digits | |
| suffix=$(echo "$curr" | sed -n "s/.*$pre\.\([0-9]\+\)$/\1/p") | |
| if [ -n "$suffix" ]; then | |
| next="$MA.$MI.$PA-$pre.$((suffix+1))" | |
| else | |
| next="$MA.$MI.$PA-$pre.1" | |
| fi | |
| else | |
| next="$MA.$MI.$PA-$pre.1" | |
| fi | |
| fi | |
| echo "value=$next" >> $GITHUB_OUTPUT | |
| echo "Next version: $next" | |
| - name: Update pubspec.yaml version | |
| run: | | |
| next='${{ steps.next.outputs.value }}' | |
| sed -i "s/^version: .*/version: $next/" pubspec.yaml | |
| echo "Updated pubspec.yaml to $next" | |
| - name: Update CHANGELOG.md (prepend Unreleased section) | |
| run: | | |
| next='${{ steps.next.outputs.value }}' | |
| date=$(date +%Y-%m-%d) | |
| if [ ! -f CHANGELOG.md ]; then | |
| echo "# Changelog" > CHANGELOG.md | |
| echo >> CHANGELOG.md | |
| fi | |
| # Ensure Changelog header exists | |
| if ! grep -q '^# Changelog' CHANGELOG.md; then | |
| { echo '# Changelog'; echo; cat CHANGELOG.md; } > /tmp/_ch && mv /tmp/_ch CHANGELOG.md | |
| fi | |
| # Ensure Unreleased section exists | |
| if ! grep -q '^## \[Unreleased\]' CHANGELOG.md; then | |
| { echo '## [Unreleased]'; echo; cat CHANGELOG.md; } > /tmp/_unrel && mv /tmp/_unrel CHANGELOG.md | |
| fi | |
| # Update or add the release section | |
| if ! grep -q "^## \[$next\]" CHANGELOG.md; then | |
| awk -v ver="$next" -v d="$date" 'BEGIN{added=0} { | |
| if(!added && /^## \[Unreleased\]/){ | |
| print $0; print ""; print "## [" ver "] - " d; print ""; print "- (placeholder) Describe changes here"; print ""; added=1; next | |
| } | |
| } END{ if(!added){ print "## [" ver "] - " d; print ""; print "- (placeholder) Describe changes here"; print "" } }' CHANGELOG.md > /tmp/_new && mv /tmp/_new CHANGELOG.md | |
| fi | |
| echo "Updated CHANGELOG.md" | |
| - name: Show diff | |
| run: git --no-pager diff --name-only && git --no-pager diff | head -200 | |
| - name: Commit changes | |
| if: ${{ github.event.inputs.dry_run == 'false' }} | |
| run: | | |
| next='${{ steps.next.outputs.value }}' | |
| git add pubspec.yaml CHANGELOG.md | |
| if git diff --cached --quiet; then | |
| echo "No changes to commit (version already set?)" | |
| else | |
| git commit -m "chore(release): v$next\n\nPrepare release from dev" | |
| fi | |
| - name: Push dev (ensure version bump recorded) | |
| if: ${{ github.event.inputs.dry_run == 'false' }} | |
| run: | | |
| # Push dev so that origin/dev always reflects latest version bump | |
| git push origin dev | |
| - name: Push release branch (safe) | |
| if: ${{ github.event.inputs.dry_run == 'false' }} | |
| id: push | |
| run: | | |
| set -e | |
| next='${{ steps.next.outputs.value }}' | |
| BRANCH="release/v$next" | |
| FORCE='${{ github.event.inputs.force_update_existing }}' | |
| git fetch origin "$BRANCH" || true | |
| if git rev-parse -q --verify "origin/$BRANCH" >/dev/null; then | |
| echo "Remote branch exists: $BRANCH" | |
| if [ "$FORCE" = "true" ]; then | |
| echo "Force updating remote branch $BRANCH" | |
| git push origin HEAD:$BRANCH --force | |
| else | |
| # Check divergence | |
| LOCAL=$(git rev-parse HEAD) | |
| REMOTE=$(git rev-parse "origin/$BRANCH") | |
| if [ "$LOCAL" = "$REMOTE" ]; then | |
| echo "Remote branch already up-to-date." | |
| else | |
| echo "Branch diverged. (Set force_update_existing=true to overwrite)" | |
| echo "branch=$BRANCH" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| fi | |
| else | |
| echo "Creating new remote branch $BRANCH" | |
| git push origin HEAD:$BRANCH | |
| fi | |
| echo "branch=$BRANCH" >> $GITHUB_OUTPUT | |
| - name: Determine target branch | |
| id: target | |
| run: | | |
| pre='${{ github.event.inputs.preid }}' | |
| if [ -n "$pre" ]; then | |
| echo "base=dev" >> $GITHUB_OUTPUT | |
| echo "pr_body=自動生成された **プレリリース (Beta)** 準備 PR です。" >> $GITHUB_OUTPUT | |
| else | |
| echo "base=main" >> $GITHUB_OUTPUT | |
| echo "pr_body=自動生成された **正式リリース** 準備 PR です。" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Check diff with base | |
| if: ${{ github.event.inputs.dry_run == 'false' && steps.push.outputs.branch != '' }} | |
| id: diff | |
| run: | | |
| BASE='${{ steps.target.outputs.base }}' | |
| HEAD_BR='${{ steps.push.outputs.branch }}' | |
| set -e | |
| echo "Fetching refs for base=$BASE head=$HEAD_BR ..." | |
| # Fetch only the required branches (full history already available if checkout used fetch-depth:0) | |
| git fetch origin "$BASE" "$HEAD_BR" --no-tags --prune || true | |
| # Verify remote release branch exists | |
| if ! git ls-remote --exit-code origin "$HEAD_BR" >/dev/null 2>&1; then | |
| echo "Release branch '$HEAD_BR' not found on remote yet (skipping PR creation check)." >&2 | |
| echo "ahead_commits=0" >> $GITHUB_OUTPUT | |
| echo "file_diff=0" >> $GITHUB_OUTPUT | |
| echo "release_files_changed=0" >> $GITHUB_OUTPUT | |
| echo "different=false" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| BASE_REF="origin/$BASE" | |
| HEAD_REF="origin/$HEAD_BR" | |
| git rev-parse "$BASE_REF" >/dev/null | |
| git rev-parse "$HEAD_REF" >/dev/null || true | |
| # Primary commit ahead count (commits reachable from HEAD_REF not in base) | |
| AHEAD=$(git rev-list --right-only --count "$BASE_REF...$HEAD_REF" 2>/dev/null || echo 0) | |
| echo "ahead_commits=$AHEAD" >> $GITHUB_OUTPUT | |
| # Secondary: file diff check | |
| if git diff --quiet "$BASE_REF...$HEAD_REF"; then | |
| FILE_DIFF=0 | |
| else | |
| FILE_DIFF=1 | |
| fi | |
| echo "file_diff=$FILE_DIFF" >> $GITHUB_OUTPUT | |
| # Tertiary: specific release related files changed | |
| if git diff --name-only "$BASE_REF...$HEAD_REF" | grep -E '^(pubspec.yaml|CHANGELOG.md)$' >/dev/null; then | |
| REL_FILES_CHANGED=1 | |
| else | |
| REL_FILES_CHANGED=0 | |
| fi | |
| echo "release_files_changed=$REL_FILES_CHANGED" >> $GITHUB_OUTPUT | |
| if [ "$AHEAD" -gt 0 ] || [ "$FILE_DIFF" -eq 1 ] || [ "$REL_FILES_CHANGED" -eq 1 ]; then | |
| echo "different=true" >> $GITHUB_OUTPUT | |
| echo "Diff detected (ahead=$AHEAD file_diff=$FILE_DIFF release_files=$REL_FILES_CHANGED)" | |
| else | |
| echo "different=false" >> $GITHUB_OUTPUT | |
| echo "No diff between $HEAD_BR and $BASE (ahead=$AHEAD file_diff=$FILE_DIFF release_files=$REL_FILES_CHANGED). PR will be skipped." | |
| fi | |
| - name: Create / Reuse PR (github-script) | |
| if: ${{ github.event.inputs.dry_run == 'false' && steps.push.outputs.branch != '' && steps.diff.outputs.different == 'true' }} | |
| uses: actions/github-script@v7 | |
| id: create_pr | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| const next = process.env.NEXT_VERSION = `${{ steps.next.outputs.value }}`; | |
| const head = `${{ steps.push.outputs.branch }}`; // already pushed 'release/vX.Y.Z' | |
| const base = `${{ steps.target.outputs.base }}`; | |
| const prTitle = `chore(release): v${{ steps.next.outputs.value }}`; | |
| const body = ( | |
| `${{ steps.target.outputs.pr_body }}\n\n` + | |
| `- 元ブランチ: dev\n` + | |
| `- 次バージョン: v${{ steps.next.outputs.value }}\n` + | |
| `- CHANGELOG は placeholder を含む場合があります。必要に応じて編集してください。\n\n` + | |
| `**【重要】**\n` + | |
| `- **正式リリース (main向け)**: マージ後、publish-release ワークフローがタグと GitHub Release を作成します。\n` + | |
| `- **プレリリース (dev向け)**: マージ後、タグやリリースは作成されません。バージョン番号のみ取り込みます。` | |
| ).trim(); | |
| const {owner, repo} = context.repo; | |
| // Check existing open PR from head -> base | |
| const existing = await github.rest.pulls.list({owner, repo, state: 'open', head: `${owner}:${head}`}); | |
| if (existing.data.length > 0) { | |
| core.info(`Existing PR found: ${existing.data[0].html_url}`); | |
| core.setOutput('url', existing.data[0].html_url); | |
| return; | |
| } | |
| // Create new PR | |
| const pr = await github.rest.pulls.create({owner, repo, head, base, title: prTitle, body}); | |
| core.info(`Created PR: ${pr.data.html_url}`); | |
| core.setOutput('url', pr.data.html_url); | |
| - name: Skip note (no diff) | |
| if: ${{ github.event.inputs.dry_run == 'false' && steps.push.outputs.branch != '' && steps.diff.outputs.different == 'false' }} | |
| run: echo "Base と release ブランチに差分が無いため PR 作成をスキップしました。" | |
| - name: Dry run note | |
| if: ${{ github.event.inputs.dry_run == 'true' }} | |
| run: echo "Dry run finished. No push/PR performed." |