unidiff: handle empty diffs more gracefully
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
unidiff: handle empty diffs more gracefully
manifest hash: e2030f7e55dc333ba0cd5b0847d1f1a08e3c5d64
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (GNU/Linux)
iD8DBQFCpz0uywK+sNU5EO8RAnt4AJ9pyaS6/xNnlhCUocq3m0HbCwHJ/gCgrP/H
IvBJtq1eXvRedfitF25vBgw=
=pd5n
-----END PGP SIGNATURE-----
--- a/mercurial/mdiff.py Wed Jun 08 10:46:39 2005 -0800
+++ b/mercurial/mdiff.py Wed Jun 08 10:47:10 2005 -0800
@@ -27,6 +27,7 @@
a = a.splitlines(1)
b = b.splitlines(1)
l = list(difflib.unified_diff(a, b, "a/" + fn, "b/" + fn))
+ if not l: return ""
# difflib uses a space, rather than a tab
l[0] = l[0][:-2] + "\t" + ad + "\n"
l[1] = l[1][:-2] + "\t" + bd + "\n"