GitHub action: report on code dupe #5
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name: Check for Duplicated Code | |
on: | |
pull_request: | |
branches: | |
- master | |
jobs: | |
check-duplication: | |
runs-on: ubuntu-latest | |
steps: | |
- name: Checkout code | |
uses: actions/checkout@v3 | |
with: | |
fetch-depth: 0 # Fetch all history for all branches | |
- name: Set up Node.js | |
uses: actions/setup-node@v3 | |
with: | |
node-version: '20' | |
- name: Install dependencies | |
run: | | |
npm install -g jscpd diff-so-fancy | |
- name: Get the diff | |
run: git diff origin/master...HEAD --name-only > changed_files.txt | |
- name: Filter JavaScript files | |
run: | | |
grep -E '\.js$' changed_files.txt > js_files.txt || true | |
- name: Run jscpd on changed files | |
run: | | |
if [ -s js_files.txt ]; then | |
jscpd --files $(cat js_files.txt | tr '\n' ',') --threshold 1 --min-tokens 50 --reporters json --output jscpd-report.json | |
else | |
echo '{}' > jscpd-report.json | |
fi | |
- name: Upload jscpd report | |
if: always() | |
uses: actions/upload-artifact@v3 | |
with: | |
name: jscpd-report | |
path: jscpd-report.json | |
- name: Parse jscpd report and post comment | |
id: post-comment | |
run: | | |
DUPLICATIONS=$(jq '.duplicates | length' jscpd-report.json) | |
if [ "$DUPLICATIONS" -gt 0 ]; then | |
COMMENT="Found $DUPLICATIONS duplications in the codebase:\n\n" | |
COMMENT+=$(jq -r '.duplicates[] | "- `\(.firstFile):\(.lines[0])-\(.lines[1])` duplicated in `\(.secondFile):\(.lines[0])-\(.lines[1])`"' jscpd-report.json) | |
echo "comment<<EOF" >> $GITHUB_ENV | |
echo "$COMMENT" >> $GITHUB_ENV | |
echo "EOF" >> $GITHUB_ENV | |
exit 1 | |
fi | |
- name: Post GitHub comment | |
if: failure() | |
uses: actions/github-script@v6 | |
with: | |
script: | | |
github.rest.issues.createComment({ | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
issue_number: context.issue.number, | |
body: process.env.comment | |
}) |