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changeset 3825:000d122071b5

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fix hg diff -r ''
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Thu, 07 Dec 2006 14:15:11 -0200
parents 2631b506e93d
children b3b868113d24
files mercurial/cmdutil.py tests/test-diffdir tests/test-diffdir.out
diffstat 3 files changed, 8 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/cmdutil.py	Thu Dec 07 11:22:17 2006 +0100
+++ b/mercurial/cmdutil.py	Thu Dec 07 14:15:11 2006 -0200
@@ -18,7 +18,7 @@
     be None, meaning use working dir.'''
 
     def revfix(repo, val, defval):
-        if not val and val != 0:
+        if not val and val != 0 and defval is not None:
             val = defval
         return repo.lookup(val)
 
--- a/tests/test-diffdir	Thu Dec 07 11:22:17 2006 +0100
+++ b/tests/test-diffdir	Thu Dec 07 14:15:11 2006 -0200
@@ -13,3 +13,8 @@
 
 echo foo > a
 hg diff --nodates
+
+hg diff -r ""
+hg diff -r tip -r ""
+
+true
--- a/tests/test-diffdir.out	Thu Dec 07 11:22:17 2006 +0100
+++ b/tests/test-diffdir.out	Thu Dec 07 14:15:11 2006 -0200
@@ -18,3 +18,5 @@
 +++ b/b
 @@ -0,0 +1,1 @@
 +123
+abort: Ambiguous identifier!
+abort: Ambiguous identifier!