hg: Display formatted user name.

Author: Niloth-p

zulip/integrations/hg/zulip_changegroup.py

@@ -5,6 +5,7 @@
 # This hook is called when changesets are pushed to the default repository (ie
 # `hg push`). See https://zulip.com/integrations for installation instructions.
 
+import re
 import sys
 
 from mercurial import repository as repo
@@ -15,6 +16,18 @@
 VERSION = "0.9"
 
 
+def parse_user(user: str) -> str:
+    """Extract the name from user string, or fall back to email or raw string."""
+    # Match: "Name <[email protected]>"
+    match = re.match(r"^(.*)<([^>]+)>$", user)
+    if match:
+        name = match.group(1).strip()
+        email = match.group(2).strip()
+        return name if name else email
+    else:
+        return user.strip()
+
+
 def format_summary_line(
     web_url: str, user: str, base: int, tip: int, branch: str, node: str
 ) -> str:
@@ -23,10 +36,11 @@ def format_summary_line(
     information about the changeset and links to the changelog if a
     web URL has been configured:
 
-    Jane Doe <[email protected]> pushed 1 commit to default (170:e494a5be3393):
+    Jane Doe pushed 1 commit to default (170:e494a5be3393):
     """
     revcount = tip - base
     plural = "s" if revcount > 1 else ""
+    display_user = parse_user(user)
 
     if web_url:
         shortlog_base_url = web_url.rstrip("/") + "/shortlog/"
@@ -35,7 +49,7 @@ def format_summary_line(
     else:
         formatted_commit_count = f"{revcount} commit{plural}"
 
-    return f"**{user}** pushed {formatted_commit_count} to **{branch}** (`{tip}:{node[:12]}`):\n\n"
+    return f"**{display_user}** pushed {formatted_commit_count} to **{branch}** (`{tip}:{node[:12]}`):\n\n"
 
 
 def format_commit_lines(web_url: str, repo: repo, base: int, tip: int) -> str: