Add automatic cask updates to release workflow

Author: janekbaraniewski

.github/workflows/build-and-release.yml

@@ -68,3 +68,37 @@ jobs:
         asset_path: ./${{ env.FILE_NAME }}
         asset_name: ${{ env.FILE_NAME }}
         asset_content_type: application/gzip
+
+    - name: Update Homebrew Cask
+      env:
+        PERSONAL_ACCESS_TOKEN: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
+      run: |
+        # Configure Git
+        git config --global user.name "GitHub Actions"
+        git config --global user.email "[email protected]"
+
+        # Clone your tap repository
+        git clone https://github.com/janekbaraniewski/homebrew-janekbaraniewski.git
+        cd homebrew-janekbaraniewski
+
+        # Fetch the latest release data from GitHub API
+        RELEASE_DATA=$(curl -s -H "Authorization: token $PERSONAL_ACCESS_TOKEN" "https://api.github.com/repos/janekbaraniewski/IPMenuBar/releases/latest")
+
+        # Extract the version (tag name), removing the leading 'v'
+        APP_VERSION=$(echo $RELEASE_DATA | jq -r ".tag_name" | sed 's/^v//')
+
+        # Extract the tar.gz asset download URL
+        RELEASE_URL=$(echo $RELEASE_DATA | jq -r '.assets[] | select(.name | endswith(".tar.gz")) | .browser_download_url')
+
+        # Get the SHA256 checksum of the release asset
+        SHA256=$(curl -Ls $RELEASE_URL | shasum -a 256 | awk '{ print $1 }')
+
+        # Update the Cask file
+        sed -i '' "s/version '.*'/version '$APP_VERSION'/" Casks/ipmenubar.rb
+        sed -i '' "s|url '.*'|url '$RELEASE_URL'|" Casks/ipmenubar.rb
+        sed -i '' "s/sha256 '.*'/sha256 '$SHA256'/" Casks/ipmenubar.rb
+
+        # Commit and push the changes
+        git add Casks/ipmenubar.rb
+        git commit -m "Update IPMenuBar to version $APP_VERSION"
+        git push origin master