Merge pull request #95 from yuiseki/refactor/split-mbtiles #64
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| name: Open main -> release PR | |
| on: | |
| push: | |
| branches: | |
| - main | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| jobs: | |
| open-pr: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Open PR from main to release | |
| uses: actions/github-script@v8 | |
| with: | |
| script: | | |
| const owner = context.repo.owner; | |
| const repo = context.repo.repo; | |
| const head = `${owner}:main`; | |
| const base = 'release'; | |
| async function ensureReleaseBranch() { | |
| try { | |
| await github.rest.git.getRef({ | |
| owner, | |
| repo, | |
| ref: `heads/${base}`, | |
| }); | |
| return; | |
| } catch (error) { | |
| if (error.status !== 404) { | |
| throw error; | |
| } | |
| } | |
| const { data: mainRef } = await github.rest.git.getRef({ | |
| owner, | |
| repo, | |
| ref: 'heads/main', | |
| }); | |
| await github.rest.git.createRef({ | |
| owner, | |
| repo, | |
| ref: `refs/heads/${base}`, | |
| sha: mainRef.object.sha, | |
| }); | |
| core.info('Created release branch from main.'); | |
| } | |
| await ensureReleaseBranch(); | |
| const { data: comparison } = await github.rest.repos.compareCommits({ | |
| owner, | |
| repo, | |
| base, | |
| head: 'main', | |
| }); | |
| if (comparison.behind_by === 0 && comparison.ahead_by === 0) { | |
| core.info('No commits between release and main. Skipping PR.'); | |
| return; | |
| } | |
| const prMap = new Map(); | |
| async function addPrByNumber(number) { | |
| if (prMap.has(number)) return; | |
| try { | |
| const { data: pr } = await github.rest.pulls.get({ | |
| owner, | |
| repo, | |
| pull_number: number, | |
| }); | |
| if (pr.merged_at && pr.base && pr.base.ref === 'main') { | |
| prMap.set(pr.number, pr); | |
| } | |
| } catch (error) { | |
| core.warning(`Failed to fetch PR #${number}: ${error.message}`); | |
| } | |
| } | |
| async function collectPrsFromCommits(commits) { | |
| for (const commit of commits || []) { | |
| try { | |
| const { data: assoc } = await github.rest.repos.listPullRequestsAssociatedWithCommit({ | |
| owner, | |
| repo, | |
| commit_sha: commit.sha, | |
| }); | |
| for (const pr of assoc) { | |
| if (pr.merged_at && pr.base && pr.base.ref === 'main') { | |
| prMap.set(pr.number, pr); | |
| } | |
| } | |
| } catch (error) { | |
| core.warning(`Failed to list PRs for commit ${commit.sha}: ${error.message}`); | |
| } | |
| const message = commit.commit && commit.commit.message ? commit.commit.message : ''; | |
| const matches = message.match(/\(#(\d+)\)/g) || []; | |
| for (const match of matches) { | |
| const number = parseInt(match.replace(/\D/g, ''), 10); | |
| if (!Number.isNaN(number)) { | |
| await addPrByNumber(number); | |
| } | |
| } | |
| } | |
| } | |
| let page = 1; | |
| const perPage = 100; | |
| while (true) { | |
| const { data: comparison } = await github.rest.repos.compareCommits({ | |
| owner, | |
| repo, | |
| base, | |
| head: 'main', | |
| per_page: perPage, | |
| page, | |
| }); | |
| await collectPrsFromCommits(comparison.commits); | |
| if (!comparison.commits || comparison.commits.length < perPage) { | |
| break; | |
| } | |
| page += 1; | |
| } | |
| const prList = Array.from(prMap.values()).sort((a, b) => a.number - b.number); | |
| const prLines = prList.map((pr) => `- ${pr.html_url} by @${pr.user.login}`); | |
| const summary = prLines.length > 0 | |
| ? `## Included PRs\n\n${prLines.join('\n')}` | |
| : 'No merged PRs found between main and release.'; | |
| let title = 'Merge main into release'; | |
| if (prList.length > 0) { | |
| const latestMerged = prList | |
| .filter((pr) => pr.merged_at) | |
| .sort((a, b) => new Date(b.merged_at) - new Date(a.merged_at))[0]; | |
| if (latestMerged) { | |
| const mergedAt = new Date(latestMerged.merged_at); | |
| const iso = mergedAt.toISOString().replace('T', ' ').replace(/\.\d+Z$/, ' UTC'); | |
| title = `Release ${iso}`; | |
| } | |
| } | |
| const { data: prs } = await github.rest.pulls.list({ | |
| owner, | |
| repo, | |
| state: 'open', | |
| head, | |
| base, | |
| }); | |
| const body = `Automated PR to promote main into release. Review and merge when ready.\n\n${summary}`; | |
| if (prs.length > 0) { | |
| const pr = prs[0]; | |
| await github.rest.pulls.update({ | |
| owner, | |
| repo, | |
| pull_number: pr.number, | |
| title, | |
| body, | |
| }); | |
| core.info(`Updated existing PR #${pr.number}.`); | |
| return; | |
| } | |
| await github.rest.pulls.create({ | |
| owner, | |
| repo, | |
| head: 'main', | |
| base, | |
| title, | |
| body, | |
| }); |