Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/changegroup.py @ 2931:0843bd53dcff
Fix bug #345.
The last hit for a file might have been before the last window, so we
can't clear copies. To reduce the load, we only store real copy
entries instead of storing hashes for every revision.
author | Brendan Cully <brendan@kublai.com> |
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date | Fri, 18 Aug 2006 10:05:44 -0700 |
parents | fe1689273f84 |
children | 025f68f22ae2 |
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""" changegroup.py - Mercurial changegroup manipulation functions Copyright 2006 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 i18n import gettext as _ from demandload import * demandload(globals(), "struct util") def getchunk(source): """get a chunk from a changegroup""" d = source.read(4) if not d: return "" l = struct.unpack(">l", d)[0] if l <= 4: return "" d = source.read(l - 4) if len(d) < l - 4: raise util.Abort(_("premature EOF reading chunk" " (got %d bytes, expected %d)") % (len(d), l - 4)) return d def chunkiter(source): """iterate through the chunks in source""" while 1: c = getchunk(source) if not c: break yield c def genchunk(data): """build a changegroup chunk""" header = struct.pack(">l", len(data)+ 4) return "%s%s" % (header, data) def closechunk(): return struct.pack(">l", 0)