Mercurial > hg
view mercurial/filelog.py @ 10404:3e7cbe859871
revlog.size: remove alternate implementation (revlogv0 specific)
it's only useful for revlogv0 anyway, revlogNG has the uncompressed size in
the index.
author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
---|---|
date | Tue, 09 Feb 2010 14:02:07 +0100 |
parents | 08a0f04b56bd |
children | f2618cacb485 |
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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 = "" if meta: mt = ["%s: %s\n" % (k, v) for k, v in 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)) return revlog.revlog.size(self, rev) def cmp(self, node, text): """compare text with a given file revision""" # for renames, we have to go the slow way if self.renamed(node): t2 = self.read(node) return t2 != text return revlog.revlog.cmp(self, node, text)