ci: refactor changelog parsing into reusable script

Author: nvarscar

.github/scripts/parse_changelog.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+"""Parse CHANGELOG.md and extract the latest version and release notes."""
+
+import json
+import re
+import sys
+
+
+def parse_changelog(filepath="CHANGELOG.md"):
+    """Extract the latest version and its content from CHANGELOG.md."""
+    with open(filepath) as f:
+        content = f.read()
+
+    # Match version headers like ## [0.3.1] - 2026-02-10
+    version_pattern = r"^## \[([^\]]+)\] - (\d{4}-\d{2}-\d{2})"
+    matches = list(re.finditer(version_pattern, content, re.MULTILINE))
+
+    if not matches:
+        print("Error: No version found in CHANGELOG.md", file=sys.stderr)
+        sys.exit(1)
+
+    # Get the first (latest) version
+    first_match = matches[0]
+    version = first_match.group(1)
+    date = first_match.group(2)
+
+    # Extract content between first and second version headers
+    start_pos = first_match.end()
+    if len(matches) > 1:
+        end_pos = matches[1].start()
+        body = content[start_pos:end_pos].strip()
+    else:
+        # If only one version, get everything after it until the end or separator
+        remaining = content[start_pos:]
+        separator_match = re.search(r"^---$", remaining, re.MULTILINE)
+        if separator_match:
+            body = remaining[: separator_match.start()].strip()
+        else:
+            body = remaining.strip()
+
+    return {"version": version, "tag": f"v{version}", "date": date, "body": body}
+
+
+if __name__ == "__main__":
+    result = parse_changelog()
+    print(json.dumps(result))

.github/workflows/auto-release.yaml

@@ -4,8 +4,8 @@ on:
   push:
     branches:
       - main
-    paths:
-      - 'CHANGELOG.md'
+    # paths:
+    #   - 'CHANGELOG.md'
 
 jobs:
   create-release:
@@ -22,66 +22,10 @@ jobs:
       - name: Parse Changelog
         id: changelog
         run: |
-          # Extract the latest version and its content from CHANGELOG.md
-          python3 << 'EOF'
-          import re
-          import sys
-
-          with open('CHANGELOG.md', 'r') as f:
-              content = f.read()
-
-          # Match version headers like ## [0.3.1] - 2026-02-10
-          version_pattern = r'^## \[([^\]]+)\] - (\d{4}-\d{2}-\d{2})'
-          matches = list(re.finditer(version_pattern, content, re.MULTILINE))
-
-          if not matches:
-              print("No version found in CHANGELOG.md", file=sys.stderr)
-              sys.exit(1)
-
-          # Get the first (latest) version
-          first_match = matches[0]
-          version = first_match.group(1)
-          date = first_match.group(2)
-
-          # Extract content between first and second version headers
-          start_pos = first_match.end()
-          if len(matches) > 1:
-              end_pos = matches[1].start()
-              body = content[start_pos:end_pos].strip()
-          else:
-              # If only one version, get everything after it until the end or separator
-              remaining = content[start_pos:]
-              separator_match = re.search(r'^---$', remaining, re.MULTILINE)
-              if separator_match:
-                  body = remaining[:separator_match.start()].strip()
-              else:
-                  body = remaining.strip()
-
-          # Clean up the body - remove leading/trailing whitespace
-          body = body.strip()
-
-          # Write outputs
-          with open('version.txt', 'w') as f:
-              f.write(version)
-          with open('body.txt', 'w') as f:
-              f.write(body)
-
-          print(f"Version: {version}")
-          print(f"Date: {date}")
-          print(f"Body length: {len(body)} characters")
-          EOF
-
-          # Set outputs
-          VERSION=$(cat version.txt)
-          echo "version=$VERSION" >> $GITHUB_OUTPUT
-          echo "tag=v$VERSION" >> $GITHUB_OUTPUT
-
-          # For multiline output, use delimiter
-          {
-            echo 'body<<EOF_CHANGELOG'
-            cat body.txt
-            echo EOF_CHANGELOG
-          } >> $GITHUB_OUTPUT
+          RESULT=$(python3 .github/scripts/parse_changelog.py)
+          echo "version=$(echo "$RESULT" | jq -r '.version')" >> $GITHUB_OUTPUT
+          echo "tag=$(echo "$RESULT" | jq -r '.tag')" >> $GITHUB_OUTPUT
+          echo "body=$(echo "$RESULT" | jq -r '.body')" >> $GITHUB_OUTPUT
 
       - name: Check if release exists
         id: check_release
@@ -90,7 +34,6 @@ jobs:
         run: |
           TAG="${{ steps.changelog.outputs.tag }}"
 
-          # Check if release exists
           if gh release view "$TAG" &>/dev/null; then
             echo "Release $TAG already exists"
             echo "exists=true" >> $GITHUB_OUTPUT
@@ -106,11 +49,11 @@ jobs:
         run: |
           TAG="${{ steps.changelog.outputs.tag }}"
           VERSION="${{ steps.changelog.outputs.version }}"
+          BODY="${{ steps.changelog.outputs.body }}"
 
-          # Create release with changelog body
           gh release create "$TAG" \
             --title "Release $VERSION" \
-            --notes "${{ steps.changelog.outputs.body }}" \
+            --notes "$BODY" \
             --verify-tag
 
       - name: Skip Release