merge: break up a not-so-one-liner for readability
Differential Revision: https://phab.mercurial-scm.org/D12110
--- a/mercurial/merge.py Fri Jan 28 14:25:45 2022 +0100
+++ b/mercurial/merge.py Fri Jan 28 14:25:51 2022 +0100
@@ -2368,9 +2368,8 @@
def back_out(ctx, parent=None, wc=None):
if parent is None:
if ctx.p2() is not None:
- raise error.ProgrammingError(
- b"must specify parent of merge commit to back out"
- )
+ msg = b"must specify parent of merge commit to back out"
+ raise error.ProgrammingError(msg)
parent = ctx.p1()
return _update(
ctx.repo(),