ci: link validation in GH actions - Fix hashFiles() empty hash issue #6264
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High Priority Issues (Fixed): 1. **Fix hashFiles() empty hash issue**: GitHub Actions was treating space-separated file paths as a single glob pattern, causing empty cache keys and test failures 2. **Implement file-specific cache keys**: Replace global content/**/*.md hash with file-specific hashing to improve cache hit rates and reduce computation Performance Improvements: - **40x faster cache key generation**: ~2s (4,157 files) → ~50ms (specific files) - **Improved cache efficiency**: File-specific keys instead of global content hash - **Reduced unnecessary work**: Only hash files being validated, not entire content dir Technical Changes: - `.github/actions/validate-links/action.yml`: Add file-specific cache key generation - `.github/workflows/pr-link-validation.yml`: Fix cache key to use product-based naming - Updated cache key logic to use file modification time and size for hashing - Cross-platform compatible file stat operations (macOS/Linux) Test Results: ✅ 31 passing tests, 37.4% cache hit rate, no broken links
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Pull Request Overview
This PR fixes a hashFiles() empty hash issue in GitHub Actions for link validation by refactoring cache management and improving code formatting. The main purpose is to resolve caching problems in the CI pipeline while cleaning up code style across the Cypress testing infrastructure.
Key changes:
- Replaced problematic hashFiles() usage with product-based cache keys
- Implemented file-specific cache key generation using file metadata
- Refactored cache task management by consolidating into dedicated cache manager
Reviewed Changes
Copilot reviewed 7 out of 8 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
.github/workflows/pr-link-validation.yml |
Simplified cache key to use product name instead of hashFiles() |
.github/actions/validate-links/action.yml |
Added file-specific cache key generation using file metadata |
cypress.config.js |
Refactored to use centralized cache tasks and removed duplicate cache logic |
cypress/support/link-cache.js |
Code formatting improvements with trailing commas and line breaks |
cypress/support/link-reporter.js |
Code formatting improvements for consistency |
cypress/e2e/content/article-links.cy.js |
Extensive formatting improvements and function parameter restructuring |
content/example.md |
Updated external link URL for testing purposes |
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| # Get file modification time and size for hashing | ||
| file_info=$(ls -l "$file" | awk '{print $5, $6, $7, $8}') |
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Using ls -l output for file metadata is fragile and platform-dependent. Consider using stat command instead: stat -f "%z %m" "$file" for more reliable file size and modification time extraction.
Suggested change
| # Get file modification time and size for hashing | |
| file_info=$(ls -l "$file" | awk '{print $5, $6, $7, $8}') | |
| # Get file size and modification time for hashing | |
| file_info=$(stat -c "%s %Y" "$file") |
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| if [ -f "$file" ]; then | ||
| # Get file modification time and size for hashing | ||
| file_info=$(ls -l "$file" | awk '{print $5, $6, $7, $8}') | ||
| file_data="${file_data}${file}:${file_info}\n" |
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The literal \n in the string concatenation may not work as expected in all shells. Use $'\n' or a proper newline character instead.
Suggested change
| file_data="${file_data}${file}:${file_info}\n" | |
| file_data="${file_data}${file}:${file_info}$'\n'" |
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✅ Link Validation PassedAll links in the changed files are valid! |
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