GitHub action: report on code dupe #16
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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: Create jscpd config file | |
| run: | | |
| echo '{ | |
| "threshold": 20, | |
| "minTokens": 50, | |
| "reporters": [ | |
| "json" | |
| ], | |
| "output": "jscpd-report.json", | |
| "pattern": "**/*.js", | |
| "ignore": "**/*spec.js" | |
| }' > .jscpd.json | |
| - name: Run jscpd on entire codebase | |
| run: jscpd | |
| - name: Get the diff | |
| run: git diff origin/master...HEAD --name-only > changed_files.txt | |
| - name: Filter JavaScript files | |
| run: | | |
| grep -E '\.js$' changed_files.txt > js_files.txt || true | |
| - name: List generated files (debug) | |
| run: ls -l | |
| - name: Parse jscpd report and set output | |
| id: parse-report | |
| run: | | |
| if [ ! -f jscpd-report.json ]; then | |
| echo "jscpd-report.json not found" | |
| exit 1 | |
| fi | |
| DUPLICATIONS=$(jq '.duplicates | length' jscpd-report.json) | |
| if [ "$DUPLICATIONS" -gt 0 ]; then | |
| COMMENT="Found $DUPLICATIONS duplications in the codebase:\n\n" | |
| while read -r file; do | |
| COMMENT+=$(jq -r --arg file "$file" '.duplicates[] | select(.firstFile == $file or .secondFile == $file) | "- `\(.firstFile):\(.lines[0])-\(.lines[1])` duplicated in `\(.secondFile):\(.lines[0])-\(.lines[1])`"' jscpd-report.json) | |
| done < js_files.txt | |
| if [ -z "$COMMENT" ]; then | |
| echo "No duplications found in changed files." | |
| exit 0 | |
| fi | |
| echo "comment<<EOF" >> $GITHUB_ENV | |
| echo "$COMMENT" >> $GITHUB_ENV | |
| echo "EOF" >> $GITHUB_ENV | |
| exit 1 | |
| else | |
| echo "No duplications found." | |
| 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 | |
| }) |