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label-checker.yaml
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name: Check PR Labels
on:
pull_request:
types: [opened, labeled, unlabeled, synchronize]
jobs:
check-label:
runs-on: ubuntu-latest
steps:
- name: Checkout repository
uses: actions/checkout@v2
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: '3.12'
cache: 'pip'
- name: Install yq
run: |
pip install yq
- name: Get required labels from release.yml
id: get-required-labels
run: |
labels=$(yq e '.changelog.categories[] | select(.title != "Uncategorized") | .labels[]' .github/release.yml | tr '\n' ' ')
echo "required_labels=$labels" >> $GITHUB_OUTPUT
- name: Get PR labels
id: get-pr-labels
run: |
labels=$(jq -r '.pull_request.labels[].name' "$GITHUB_EVENT_PATH")
echo "labels=$labels" >> $GITHUB_OUTPUT
- name: Check for specific labels
id: check-label
run: |
required_labels=(${{ steps.get-required-labels.outputs.required_labels }})
found=false
for label in "${required_labels[@]}"; do
if echo "${{ steps.get-pr-labels.outputs.labels }}" | grep -q "$label"; then
found=true
break
fi
done
echo "label_exists=$found" >> $GITHUB_OUTPUT
- name: Fail if no required labels are found
if: steps.check-label.outputs.label_exists == 'false'
run: |
echo "None of the required labels are applied to the PR."
exit 1