build: Fix changelog.py to tolerate missing e-mail in commit message

The wasm-updater does not sign-off on changes so there is no e-mail address in the commit message. Signed-off-by: Torin Sandall <[email protected]>
open-policy-agent · Dec 3, 2020 · 299506f · 299506f
1 parent d41ebea
commit 299506f
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/build/changelog.py b/build/changelog.py
@@ -62,9 +62,10 @@ def is_maintainer(commit_message):
 
 def author_email(commit_message):
     match = re.search(r"<(.*@.*)>", commit_message)
-    author = match.group(1)
-    return str(author)
-
+    if match:
+        author = match.group(1)
+        return str(author)
+    return ""
 
 github_ids = {}
 def get_github_id(commit_message, commit_id, token):