fix: improve CI workflow for Canton release automation and add cleanup steps for temporary files in update.sh

Author: actions-user

update.sh

@@ -57,6 +57,9 @@ else
 fi
 echo "SHA256: $SHA256"
 
+# Cleanup
+rm -f canton-release.tar.gz
+
 # Update formula
 echo "Updating Formula/canton.rb..."
 # Use different sed syntax for macOS vs Linux
@@ -74,26 +77,49 @@ fi
 
 # Only commit and create release if running in CI (GITHUB_TOKEN is set)
 if [ -n "$GITHUB_TOKEN" ]; then
-  echo "Running in CI, committing changes and creating release..."
-  
-  # Commit formula changes
+  echo "Running in CI, checking for changes and creating release..."
+
+  # Configure git
   git config --local user.email "action@github.com"
   git config --local user.name "GitHub Action"
+
+  # Add formula changes
   git add Formula/canton.rb
-  git commit -m "feat: update Canton to $LATEST_VERSION
+
+  # Check if there are any changes to commit
+  if git diff --cached --quiet; then
+    echo "No changes detected in Formula/canton.rb, skipping commit"
+  else
+    echo "Changes detected, committing and pushing..."
+    # Commit formula changes
+    if ! git commit -m "feat: update Canton to $LATEST_VERSION
 
 Release URL: $LATEST_URL
 
-🤖 Generated with GitHub Actions"
-  git push
-  
-  # Create GitHub release and tag
-  git tag "canton-$LATEST_VERSION"
-  git push origin "canton-$LATEST_VERSION"
-  
-  gh release create "canton-$LATEST_VERSION" \
-    --title "Canton $LATEST_VERSION" \
-    --notes "Homebrew formula updated to Canton version $LATEST_VERSION.
+🤖 Generated with GitHub Actions"; then
+      echo "Failed to commit changes"
+      exit 1
+    fi
+
+    if ! git push; then
+      echo "Failed to push changes"
+      exit 1
+    fi
+
+    # Create GitHub release and tag
+    if ! git tag "canton-$LATEST_VERSION"; then
+      echo "Failed to create tag"
+      exit 1
+    fi
+
+    if ! git push origin "canton-$LATEST_VERSION"; then
+      echo "Failed to push tag"
+      exit 1
+    fi
+
+    if ! gh release create "canton-$LATEST_VERSION" \
+      --title "Canton $LATEST_VERSION" \
+      --notes "Homebrew formula updated to Canton version $LATEST_VERSION.
 
 This release tracks the Canton snapshot release from Digital Asset:
 - Original Release: $LATEST_URL
@@ -111,17 +137,18 @@ brew install 0xsend/homebrew-canton/canton
 \`\`\`
 
 🤖 Auto-generated by GitHub Actions" \
-    --latest
-  
-  echo "Successfully created release for Canton $LATEST_VERSION"
+      --latest; then
+      echo "Failed to create GitHub release"
+      exit 1
+    fi
+
+    echo "Successfully created release for Canton $LATEST_VERSION"
+  fi
 else
   echo "Running locally, formula updated but not committing"
   echo "Updated formula to Canton $LATEST_VERSION"
   echo "- URL: $DOWNLOAD_URL"
   echo "- SHA256: $SHA256"
 fi
 
-# Cleanup
-rm -f canton-release.tar.gz
-
-echo "=== Update complete ==="
+echo "=== Update complete ==="