D6276: copies: clarify mutually exclusive cases in _chain() with a s/if/elif/

[martinvonz (Martin von Zweigbergk)]

martinvonz updated this revision to Diff 14950.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D6276?vs=14848&id=14950

REVISION DETAIL
  https://phab.mercurial-scm.org/D6276

AFFECTED FILES
  mercurial/copies.py

CHANGE DETAILS

diff --git a/mercurial/copies.py b/mercurial/copies.py
--- a/mercurial/copies.py
+++ b/mercurial/copies.py
@@ -134,7 +134,7 @@
             if t[v] != k:
                 # file wasn't renamed back to itself (i.e. case 4, not 3)
                 t[k] = t[v]
-        if v in src:
+        elif v in src:
             # file is a copy of an existing file, i.e. case 6.
             t[k] = v
 



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