Mercurial > hg
view mercurial/filelog.py @ 5865:e7127f669edb
transactions: don't show a backtrace when journal exists
Now we simply print a message on how to recover.
author | Matt Mackall <mpm@selenic.com> |
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date | Wed, 16 Jan 2008 11:32:25 -0600 |
parents | 63b9d2deed48 |
children | d0576d065993 |
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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, incorporated herein by reference. from revlog import * import os class filelog(revlog): def __init__(self, opener, path): revlog.__init__(self, opener, "/".join(("data", self.encodedir(path + ".i")))) # This avoids a collision between a file named foo and a dir named # foo.i or foo.d def encodedir(self, path): return (path .replace(".hg/", ".hg.hg/") .replace(".i/", ".i.hg/") .replace(".d/", ".d.hg/")) def decodedir(self, path): return (path .replace(".d.hg/", ".d/") .replace(".i.hg/", ".i/") .replace(".hg.hg/", ".hg/")) 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.items() ] 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] != nullid: return False m = self._readmeta(node) if m and m.has_key("copy"): return (m["copy"], 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.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.cmp(self, node, text)