Mercurial > hg > mercurial-crew

changeset 75:b942bbe4bb84

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Fix a bug in patches() if there's not text and no patch
author mpm@selenic.com
date Tue, 17 May 2005 00:32:18 -0800
parents 401e18c95ad3
children d993ebd69d28
files mercurial/mdiff.py
diffstat 1 files changed, 3 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/mdiff.py
+++ b/mercurial/mdiff.py
@@ -71,6 +71,9 @@
     bl = len(a) + pl
     tl = bl + bl + pl # enough for the patches and two working texts
     b1, b2 = 0, bl
+
+    if not tl: return a
+
     m = mmap.mmap(devzero.fileno(), tl, mmap.MAP_PRIVATE)
 
     # load our original text