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mercurial/revlog.py
changeset 26378 e749707f0afb
parent 26377 dfef0d3be65e
child 26379 39d643252b9f 
--- a/mercurial/revlog.py	Sun Sep 27 15:48:35 2015 -0700
+++ b/mercurial/revlog.py	Sun Sep 27 15:59:19 2015 -0700
@@ -1218,7 +1218,7 @@
 
         dfh = None
         if not self._inline:
-            dfh = self.opener(self.datafile, "a")
+            dfh = self.opener(self.datafile, "a+")
         ifh = self.opener(self.indexfile, "a+")
         try:
             return self._addrevision(node, text, transaction, link, p1, p2,
@@ -1467,7 +1467,7 @@
         else:
             transaction.add(self.indexfile, isize, r)
             transaction.add(self.datafile, end)
-            dfh = self.opener(self.datafile, "a")
+            dfh = self.opener(self.datafile, "a+")
         def flush():
             if dfh:
                 dfh.flush()
@@ -1535,8 +1535,8 @@
                     # addrevision switched from inline to conventional
                     # reopen the index
                     ifh.close()
-                    dfh = self.opener(self.datafile, "a")
-                    ifh = self.opener(self.indexfile, "a")
+                    dfh = self.opener(self.datafile, "a+")
+                    ifh = self.opener(self.indexfile, "a+")
         finally:
             if dfh:
                 dfh.close()
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