D6123: similar: add condition to avoid Zerodivisonerror in function _score() (issue6099)

akshjain.jain74 (Akshit Jain) phabricator at mercurial-scm.org
Fri Mar 15 10:19:57 EDT 2019


akshjain.jain74 updated this revision to Diff 14508.
akshjain.jain74 marked 2 inline comments as done.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D6123?vs=14487&id=14508

REVISION DETAIL
  https://phab.mercurial-scm.org/D6123

AFFECTED FILES
  mercurial/similar.py

CHANGE DETAILS

diff --git a/mercurial/similar.py b/mercurial/similar.py
--- a/mercurial/similar.py
+++ b/mercurial/similar.py
@@ -63,7 +63,9 @@
             equal += len(line)
 
     lengths = len(text) + len(orig)
-    return equal * 2.0 / lengths
+    if lengths:
+        return equal * 2.0 / lengths
+    return 0
 
 def score(fctx1, fctx2):
     return _score(fctx1, _ctxdata(fctx2))



To: akshjain.jain74, durin42, #hg-reviewers
Cc: av6, pulkit, mercurial-devel


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