MMASeq/.github/workflows/LABEL.yml at dev · ssi-dk/MMASeq · GitHub

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name: Auto label Pull requests

on:
  pull_request:
    types:
      - opened
      - reopened
      - edited

concurrency:
  group: build-${{ github.event.pull_request.number || github.head_ref }}
  cancel-in-progress: true

jobs:
  label:
    runs-on: ubuntu-latest

    permissions:
      issues: write
      pull-requests: write

    steps:
      - name: Assign label
        uses: actions/github-script@v7
        with:
          script: |
            const title = context.payload.pull_request.title.toLowerCase();

            let label = null;

            if (
              title.startsWith("fix") ||
              title.startsWith("bug") ||
              title.startsWith("patch")
            ) {label = "patch";}

            else if (
              title.startsWith("feat") ||
              title.startsWith("feature") ||
              title.startsWith("add")
            ) {label = "feature";}

            else if (
              title.startsWith("build") ||
              title.startsWith("pkg") ||
              title.startsWith("docs") ||
              title.startsWith("github") ||
              title.startsWith("gh")
            ) {label = "build";}

            if (!label) {
              console.log("No matching label for title:", title);
              return;
            }

            const issue_number = context.issue.number;

            // fetch current labels
            const issue = await github.rest.issues.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number
            });

            const versionLabels = ["feature", "patch", "build"];

            // remove old version labels
            for (const existing of issue.data.labels.map(l => l.name)) {
              if (!versionLabels.includes(existing)) continue;

              await github.rest.issues.removeLabel({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number,
                name: existing
              });
            }

            // apply new label
            await github.rest.issues.addLabels({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number,
              labels: [label]
            });

            // feedback
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number,
              body: `✅ Version label set to **${label}**`
            });