Mercurial > hg
view mercurial/filelog.py @ 12406:66a07fb76ceb
tests: avoid checking the exitcode of false
Solaris false returns 255 instead of 1, so we remove one unneeded instance and
replaces another with (exit 1) as suggested by Brodie Rao.
author | Mads Kiilerich <mads@kiilerich.com> |
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date | Sat, 25 Sep 2010 21:52:17 +0200 |
parents | ab9fa7a85dd9 |
children | e5060aa22043 |
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# filelog.py - file history class for mercurial # # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import revlog class filelog(revlog.revlog): def __init__(self, opener, path): revlog.revlog.__init__(self, opener, "/".join(("data", path + ".i"))) def read(self, node): t = self.revision(node) if not t.startswith('\1\n'): return t s = t.index('\1\n', 2) return t[s + 2:] def _readmeta(self, node): t = self.revision(node) if not t.startswith('\1\n'): return {} s = t.index('\1\n', 2) mt = t[2:s] m = {} for l in mt.splitlines(): k, v = l.split(": ", 1) m[k] = v return m def add(self, text, meta, transaction, link, p1=None, p2=None): if meta or text.startswith('\1\n'): mt = ["%s: %s\n" % (k, v) for k, v in sorted(meta.iteritems())] text = "\1\n%s\1\n%s" % ("".join(mt), text) return self.addrevision(text, transaction, link, p1, p2) def renamed(self, node): if self.parents(node)[0] != revlog.nullid: return False m = self._readmeta(node) if m and "copy" in m: return (m["copy"], revlog.bin(m["copyrev"])) return False def size(self, rev): """return the size of a given revision""" # for revisions with renames, we have to go the slow way node = self.node(rev) if self.renamed(node): return len(self.read(node)) # XXX if self.read(node).startswith("\1\n"), this returns (size+4) return revlog.revlog.size(self, rev) def cmp(self, node, text): """compare text with a given file revision returns True if text is different than what is stored. """ t = text if text.startswith('\1\n'): t = '\1\n\1\n' + text samehashes = not revlog.revlog.cmp(self, node, t) if samehashes: return False # renaming a file produces a different hash, even if the data # remains unchanged. Check if it's the case (slow): if self.renamed(node): t2 = self.read(node) return t2 != text return True