Mercurial > hg > mercurial-crew-with-dirclash
annotate 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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1981
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make incoming work via ssh (issue139); move chunk code into separate module.
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1 """ |
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2 changegroup.py - Mercurial changegroup manipulation functions |
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3 |
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4 Copyright 2006 Matt Mackall <mpm@selenic.com> |
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5 |
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6 This software may be used and distributed according to the terms |
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7 of the GNU General Public License, incorporated herein by reference. |
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8 """ |
1997
802e8a029d99
Added missing gettext import to changegroup.py.
Thomas Arendsen Hein <thomas@intevation.de>
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1981
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9 from i18n import gettext as _ |
1981
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10 from demandload import * |
2470
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use demandload more.
Vadim Gelfer <vadim.gelfer@gmail.com>
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1997
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11 demandload(globals(), "struct util") |
1981
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12 |
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13 def getchunk(source): |
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14 """get a chunk from a changegroup""" |
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15 d = source.read(4) |
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16 if not d: |
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17 return "" |
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18 l = struct.unpack(">l", d)[0] |
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19 if l <= 4: |
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20 return "" |
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21 d = source.read(l - 4) |
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22 if len(d) < l - 4: |
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23 raise util.Abort(_("premature EOF reading chunk" |
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24 " (got %d bytes, expected %d)") |
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25 % (len(d), l - 4)) |
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26 return d |
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27 |
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28 def chunkiter(source): |
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29 """iterate through the chunks in source""" |
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30 while 1: |
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31 c = getchunk(source) |
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32 if not c: |
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33 break |
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34 yield c |
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35 |
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36 def genchunk(data): |
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37 """build a changegroup chunk""" |
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38 header = struct.pack(">l", len(data)+ 4) |
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39 return "%s%s" % (header, data) |
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40 |
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41 def closechunk(): |
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42 return struct.pack(">l", 0) |
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43 |