mercurial-crew-with-dirclash: mercurial/revlog.py comparison

Add code to retrieve or construct a revlog delta

comparison

equal deleted inserted replaced

-:a0e57df96e96
+:c7a66f9752a4
 return mdiff.textdiff(a, b)
 def patches(self, t, pl):
 return mdiff.patches(t, pl)
+def delta(self, node):
+r = self.rev(node)
+b = self.base(r)
+if r == b:
+return self.diff(self.revision(self.node(r - 1)),
+self.revision(node))
+else:
+f = self.opener(self.datafile)
+f.seek(self.start(r))
+data = f.read(self.length(r))
+return decompress(data)
 def revision(self, node):
 if node == nullid: return ""
 if self.cache and self.cache[0] == node: return self.cache[2]
 text = None

Mercurial > hg > mercurial-crew-with-dirclash