fix regex matching for breaking changes

Author: ezhang6811

scripts/draft-changelog.sh

@@ -0,0 +1,28 @@
+#!/bin/bash -e
+
+# Find the latest release tag that's in the current branch's history
+latest_tag=""
+for tag in $(git tag -l "v*.*.*" --sort=-version:refname); do
+  if git merge-base --is-ancestor "$tag" HEAD; then
+    latest_tag="$tag"
+    break
+  fi
+done
+
+if [[ -z $latest_tag ]]; then
+  echo "No release tags found in current branch history"
+  exit 1
+fi
+
+echo "# Changes since $latest_tag:"
+echo
+
+# Generate changelog entries from commits since the tag
+git log --reverse \
+        --perl-regexp \
+        --author='^(?!dependabot\[bot\] )(?!github-actions\[bot\] )' \
+        --pretty=format:"- %s" \
+        "$latest_tag..HEAD" \
+  | grep -E '\(#[0-9]+\)$' \
+  | grep -v '^- Post release ' \
+  | sed -E 's,\(#([0-9]+)\)$, ([#\1](https://github.com/aws-observability/aws-otel-java-instrumentation/pull/\1)),'

scripts/find_breaking_changes.py

@@ -46,8 +46,8 @@ def get_releases_with_breaking_changes(repo, current_version, new_version):
 
                     # Check if release notes have breaking changes as headers
                     body = release.get("body", "")
-                    breaking_header_pattern = r'^#+.*breaking changes'
-                    if re.search(breaking_header_pattern, body, re.IGNORECASE | re.MULTILINE):
+                    breaking_header_pattern = r'^\s*#+.*Breaking changes'
+                    if re.search(breaking_header_pattern, body, re.MULTILINE):
                         breaking_releases.append(
                             {
                                 "version": release_version,