126 lines
3.7 KiB
YAML
126 lines
3.7 KiB
YAML
name: Dependabot Auto Merge
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on:
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workflow_run:
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workflows:
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- CI
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- Commit Lint
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types:
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- completed
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concurrency:
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group: dependabot-auto-merge-${{ github.event.workflow_run.head_branch }}
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cancel-in-progress: true
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permissions:
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contents: write
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pull-requests: write
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jobs:
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merge:
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name: Auto-merge Dependabot PRs
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if: ${{ github.event.workflow_run.event == 'pull_request' }}
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runs-on: ubuntu-latest
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timeout-minutes: 10
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steps:
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- name: Find matching Dependabot PR
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id: pr
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uses: actions/github-script@v8
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with:
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script: |
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const branch = context.payload.workflow_run.head_branch;
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const { owner, repo } = context.repo;
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const { data: pulls } = await github.rest.pulls.list({
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owner,
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repo,
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state: "open",
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head: `${owner}:${branch}`,
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per_page: 10,
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});
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const pr = pulls.find((item) => item.user?.login === "dependabot[bot]");
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if (!pr) {
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core.info(`No open Dependabot PR found for branch ${branch}.`);
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core.setOutput("should_merge", "false");
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return;
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}
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core.setOutput("should_merge", "true");
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core.setOutput("number", String(pr.number));
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- name: Merge PR when checks pass
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if: steps.pr.outputs.should_merge == 'true'
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uses: actions/github-script@v8
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with:
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script: |
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const owner = context.repo.owner;
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const repo = context.repo.repo;
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const pull_number = Number("${{ steps.pr.outputs.number }}");
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const isSuccessful = (status) =>
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status === "SUCCESS" ||
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status === "SKIPPED" ||
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status === "NEUTRAL";
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const { data: pr } = await github.rest.pulls.get({
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owner,
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repo,
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pull_number,
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});
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if (pr.user?.login !== "dependabot[bot]") {
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core.info(`PR #${pull_number} is no longer a Dependabot PR.`);
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return;
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}
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if (pr.draft) {
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core.info(`PR #${pull_number} is still a draft.`);
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return;
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}
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if (pr.mergeable === false) {
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core.info(`PR #${pull_number} has merge conflicts.`);
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return;
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}
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const { data: checks } = await github.rest.checks.listForRef({
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owner,
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repo,
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ref: pr.head.sha,
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});
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const requiredChecks = ["Lint", "Test", "Type Check"];
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const checkMap = new Map(checks.check_runs.map((run) => [run.name, run]));
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const missing = requiredChecks.filter((name) => !checkMap.has(name));
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if (missing.length > 0) {
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core.info(`PR #${pull_number} is missing checks: ${missing.join(", ")}.`);
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return;
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}
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const failed = requiredChecks.filter((name) => {
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const run = checkMap.get(name);
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return run.status !== "completed" || !isSuccessful(String(run.conclusion).toUpperCase());
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});
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if (failed.length > 0) {
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core.info(`PR #${pull_number} still has pending or failing checks: ${failed.join(", ")}.`);
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return;
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}
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await github.rest.pulls.merge({
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owner,
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repo,
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pull_number,
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merge_method: "merge",
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});
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await github.rest.git.deleteRef({
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owner,
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repo,
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ref: `heads/${pr.head.ref}`,
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});
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core.info(`Merged Dependabot PR #${pull_number} and deleted ${pr.head.ref}.`);
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