Build a better Changelog

.github/workflows/cd-release.yaml

@@ -18,13 +18,14 @@ jobs:
         run: |
           pip install -e .
           scripts/release_schemas/generator.py
+          scripts/release_schemas/changelog.py --version ${{ github.ref_name }}
       - name: Release
         uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/v1')
         with:
           name: Release ${{ github.ref_name }}
           token: ${{ secrets.GH_PAT }}
-          generate_release_notes: true
+          body_path: ${{ github.workspace }}/build/CHANGELOG.txt
           files: |
             build/schemas-cfnlint.zip
             build/schemas-draft7.zip

scripts/release/changelog.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+"""
+Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+SPDX-License-Identifier: MIT-0
+"""
+
+import argparse
+
+# version = "v1.10.3"
+from pathlib import Path
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--version")
+args = parser.parse_args()
+
+with open("CHANGELOG.md", "r") as f:
+    text = f.read()
+
+output = []
+
+for line in text.splitlines():
+
+    if line.startswith("### "):
+        if args.version == line[3:].strip():
+            found = True
+        else:
+            break
+    else:
+        if found:
+            output.append(line)
+
+build_dir = Path("build")
+with open(build_dir / "CHANGELOG.md", "w") as f:
+    f.write("\n".join(output))