D12103: merge: break up a not-so-one-liner for readability

[marmoute (Pierre-Yves David)]

marmoute 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/D12103

AFFECTED FILES
  mercurial/merge.py

CHANGE DETAILS

diff --git a/mercurial/merge.py b/mercurial/merge.py
--- a/mercurial/merge.py
+++ b/mercurial/merge.py
@@ -346,10 +346,9 @@
     for fold, f in sorted(foldmap.items()):
         if fold.startswith(foldprefix) and not f.startswith(unfoldprefix):
             # the folded prefix matches but actual casing is different
-            raise error.StateError(
-                _(b"case-folding collision between %s and directory of %s")
-                % (lastfull, f)
-            )
+            msg = _(b"case-folding collision between %s and directory of %s")
+            msg %= (lastfull, f)
+            raise error.StateError(msg)
         foldprefix = fold + b'/'
         unfoldprefix = f + b'/'
         lastfull = f



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