Add files via upload #3
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| name: Optimize Images | |
| on: | |
| pull_request: | |
| paths: | |
| - '**.png' | |
| - '**.jpg' | |
| - '**.jpeg' | |
| - '**.gif' | |
| push: | |
| paths: | |
| - '**.png' | |
| - '**.jpg' | |
| - '**.jpeg' | |
| - '**.gif' | |
| jobs: | |
| optimize: | |
| if: ${{ github.actor != 'github-actions[bot]' && !contains(github.event.head_commit.message, '[skip-optimize]') }} # Prevent infinite loops and check commit message | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v2 | |
| with: | |
| fetch-depth: 2 # Fetch two commits for git diff | |
| - name: Install ImageMagick and pngquant | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y imagemagick pngquant | |
| - name: Find and Optimize Modified Images | |
| run: | | |
| # Get the list of modified images, handling merge commits | |
| MODIFIED_IMAGES=$(git diff --name-only --diff-filter=AMR HEAD~1 | grep -E '\.(png|jpg|jpeg|gif)$') | |
| # Exit if no images are modified | |
| if [ -z "$MODIFIED_IMAGES" ]; then | |
| echo "No modified images to optimize." | |
| exit 0 | |
| fi | |
| # Process images safely, even with spaces in file names | |
| echo "$MODIFIED_IMAGES" | while IFS= read -r IMAGE; do | |
| echo "Optimizing $IMAGE" | |
| # For JPEGs | |
| if [[ $IMAGE == *.jpg || $IMAGE == *.jpeg ]]; then | |
| convert "$IMAGE" -resize 300x300\> -strip -define jpeg:extent=100kb "$IMAGE" | |
| fi | |
| # For PNGs | |
| if [[ $IMAGE == *.png ]]; then | |
| convert "$IMAGE" -resize 300x300\> -strip "$IMAGE" | |
| pngquant --quality=65-80 --ext .png --force "$IMAGE" | |
| fi | |
| done | |
| - name: Commit and Push Changes | |
| run: | | |
| # Configure git | |
| git config --global user.name 'github-actions[bot]' | |
| git config --global user.email 'github-actions[bot]@users.noreply.github.com' | |
| # Check for changes | |
| if [ -n "$(git status --porcelain)" ]; then | |
| git add . | |
| git commit -m "Optimize new/modified images (300x300 and max 100kb)" | |
| git push | |
| else | |
| echo "No changes to commit." | |
| fi |