D12409: extensions: use new function for getting first line of string

[martinvonz (Martin von Zweigbergk)]

martinvonz created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D12409

AFFECTED FILES
  mercurial/extensions.py

CHANGE DETAILS

diff --git a/mercurial/extensions.py b/mercurial/extensions.py
--- a/mercurial/extensions.py
+++ b/mercurial/extensions.py
@@ -831,7 +831,7 @@
     for name, path in paths.items():
         doc = _disabledhelp(path)
         if doc and name != b'__index__':
-            exts[name] = doc.splitlines()[0]
+            exts[name] = stringutil.firstline(doc)
 
     return exts
 
@@ -935,7 +935,7 @@
         assert doc is not None  # help pytype
         if shortname:
             ename = ename.split(b'.')[-1]
-        exts[ename] = doc.splitlines()[0].strip()
+        exts[ename] = stringutil.firstline(doc).strip()
 
     return exts
 



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