enforce-single-branch #29
Workflow file for this run
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| name: enforce-single-branch | |
| on: | |
| create: | |
| push: | |
| jobs: | |
| prune-non-default-branches: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: write | |
| steps: | |
| - name: Delete non-default branch refs | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const defaultBranch = context.payload.repository.default_branch; | |
| const eventName = context.eventName; | |
| let refType = context.payload.ref_type || 'branch'; | |
| let refName = context.payload.ref || ''; | |
| if (eventName === 'push') { | |
| if (!context.ref.startsWith('refs/heads/')) { | |
| core.info(`Ignoring non-branch push ref: ${context.ref}`); | |
| return; | |
| } | |
| refType = 'branch'; | |
| refName = context.ref.replace('refs/heads/', ''); | |
| } | |
| if (refType !== 'branch' || !refName || refName === defaultBranch) { | |
| core.info(`No action needed (ref_type=${refType}, ref=${refName}, default=${defaultBranch})`); | |
| return; | |
| } | |
| core.info(`Deleting branch ${refName}; default branch is ${defaultBranch}`); | |
| try { | |
| await github.rest.git.deleteRef({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| ref: `heads/${refName}`, | |
| }); | |
| } catch (error) { | |
| if (error.status === 404 || error.status === 422) { | |
| core.warning(`Branch already absent: ${refName}`); | |
| return; | |
| } | |
| throw error; | |
| } |