Mercurial > public > mercurial-scm > hg

comparison mercurial/revlog.py @ 1659:bfa90d9a3b77

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Add revlog version signature check
author Matt Mackall <mpm@selenic.com>
date Sun, 29 Jan 2006 20:27:58 +1300
parents 14d1f1868bf6
children b2df93c56ac4
comparison
equal deleted inserted replaced
1658:f5e194047f1e 1659:bfa90d9a3b77
194 i = self.opener(self.indexfile).read() 194 i = self.opener(self.indexfile).read()
195 except IOError, inst: 195 except IOError, inst:
196 if inst.errno != errno.ENOENT: 196 if inst.errno != errno.ENOENT:
197 raise 197 raise
198 i = "" 198 i = ""
199
200 if i[:4] != "\0\0\0\0":
201 raise RevlogError(_("incompatible revlog signature on %s") %
202 self.indexfile)
199 203
200 if len(i) > 10000: 204 if len(i) > 10000:
201 # big index, let's parse it on demand 205 # big index, let's parse it on demand
202 parser = lazyparser(i, self) 206 parser = lazyparser(i, self)
203 self.index = lazyindex(parser) 207 self.index = lazyindex(parser)