Mercurial > public > mercurial-scm > hg

comparison mercurial/hg.py @ 98:3dde7c87e36d

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Add paranoia to diff code
author mpm@selenic.com
date Wed, 18 May 2005 16:59:54 -0800
parents fce47326677c
children 707a7481a861
comparison
equal deleted inserted replaced
97:7a2abee6b0c2 98:3dde7c87e36d
76 return map 76 return map
77 77
78 def diff(self, a, b): 78 def diff(self, a, b):
79 # this is sneaky, as we're not actually using a and b 79 # this is sneaky, as we're not actually using a and b
80 if self.listcache and len(self.listcache[0]) == len(a): 80 if self.listcache and len(self.listcache[0]) == len(a):
81 return mdiff.diff(self.listcache[1], self.addlist, 1) 81 d = mdiff.diff(self.listcache[1], self.addlist, 1)
82 if mdiff.patch(a, d) != b:
83 sys.stderr.write("*** sortdiff failed, falling back ***\n")
84 return mdiff.textdiff(a, b)
85 return d
82 else: 86 else:
83 return mdiff.textdiff(a, b) 87 return mdiff.textdiff(a, b)
84 88
85 def add(self, map, transaction, link, p1=None, p2=None): 89 def add(self, map, transaction, link, p1=None, p2=None):
86 files = map.keys() 90 files = map.keys()