Delete branches #237
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| name: Delete branches | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| branch: | |
| description: "Branch to delete" | |
| required: false | |
| dry-run: | |
| description: "Whether to run in dry run mode" | |
| required: false | |
| default: 'false' | |
| schedule: | |
| - cron: '10 8 * * *' # https://crontab.guru/#10_8_*_*_* | |
| jobs: | |
| delete-branches: | |
| name: Delete branches | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Delete branches | |
| env: | |
| BRANCH: ${{ github.event.inputs.branch }} | |
| DRY_RUN: ${{ github.event.inputs.dry-run }} | |
| uses: actions/github-script@v7 | |
| with: | |
| github-token: ${{ secrets.UCI_GITHUB_TOKEN }} | |
| retries: 0 | |
| script: | | |
| const request = async function(req, opts) { | |
| try { | |
| return await req(opts) | |
| } catch(err) { | |
| opts._attempt = (opts._attempt || 0) + 1 | |
| if (err.status === 403) { | |
| if (err.response.headers['x-ratelimit-remaining'] === '0') { | |
| const retryAfter = err.response.headers['x-ratelimit-reset'] - Math.floor(Date.now() / 1000) || 1 | |
| core.info(`Rate limit exceeded, retrying in ${retryAfter} seconds`) | |
| await new Promise(resolve => setTimeout(resolve, retryAfter * 1000)) | |
| return request(req, opts) | |
| } | |
| if (err.message.toLowerCase().includes('secondary rate limit')) { | |
| const retryAfter = Math.pow(2, opts._attempt) | |
| core.info(`Secondary rate limit exceeded, retrying in ${retryAfter} seconds`) | |
| await new Promise(resolve => setTimeout(resolve, retryAfter * 1000)) | |
| return request(req, opts) | |
| } | |
| } | |
| throw err | |
| } | |
| } | |
| github.hook.wrap('request', request) | |
| core.info(`Looking for repositories the user has direct access to`) | |
| const items = await github.paginate(github.rest.repos.listForAuthenticatedUser, { | |
| affiliation: 'collaborator' | |
| }) | |
| core.info(`Filtering out the repositories without branches to delete`) | |
| const repoBranches = [] | |
| for (const item of items) { | |
| if (item.archived) { | |
| core.info(`Skipping archived repository ${item.html_url}`) | |
| continue | |
| } | |
| core.info(`Looking for matching branches for ${item.html_url}`) | |
| const branches = (await github.paginate(github.rest.repos.listBranches, { | |
| owner: item.owner.login, | |
| repo: item.name | |
| })).filter(branch => { | |
| if (process.env.BRANCH) { | |
| return branch.name == process.env.BRANCH | |
| } else { | |
| return branch.name.startsWith('uci/') | |
| } | |
| }) | |
| for (const branch of branches) { | |
| core.info(`Checking if ${item.html_url}/tree/${branch.name} can be deleted`) | |
| const {data: pulls} = await github.rest.repos.listPullRequestsAssociatedWithCommit({ | |
| owner: item.owner.login, | |
| repo: item.name, | |
| commit_sha: branch.commit.sha | |
| }) | |
| const openPulls = pulls.filter(pull => pull.state == 'open') | |
| if (pulls.length != 0 && openPulls.length == 0) { | |
| core.info(`${item.html_url}/tree/${branch.name} has ${pulls.length} PRs, but none are open, deleting`) | |
| repoBranches.push({repo: item, branch}) | |
| } else { | |
| core.info(`${item.html_url}/tree/${branch.name} has ${pulls.length} PRs, ${openPulls.length} are open, skipping`) | |
| } | |
| } | |
| } | |
| core.info(`Attempting to delete branches`) | |
| const failed = [] | |
| for (const {repo, branch} of repoBranches) { | |
| core.info(`Deleting ${repo.html_url}/tree/${branch.name}`) | |
| if (process.env.DRY_RUN == 'true') { | |
| core.info(`Skipping branch deletion because this is a dry run`) | |
| continue | |
| } | |
| try { | |
| await github.rest.git.deleteRef({ | |
| owner: repo.owner.login, | |
| repo: repo.name, | |
| ref: `heads/${branch.name}` | |
| }) | |
| core.info(`${repo.html_url}/tree/${branch.name} deleted successfully`) | |
| } catch(error) { | |
| core.error(`Couldn't delete ${repo.html_url}/tree/${branch.name}, got: ${error}`) | |
| failed.push({repo, branch}) | |
| } | |
| } | |
| if (failed.length != 0) { | |
| throw new Error(`Failed to delete ${failed.length} branches`) | |
| } |