Mercurial > hg > mercurial-crew-with-dirclash

annotate tests/test-parseindex @ 2612:ffb895f16925

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add support for streaming clone. existing clone code uses pull to get changes from remote repo. is very slow, uses lots of memory and cpu. new clone code has server write file data straight to client, client writes file data straight to disk. memory and cpu used are very low, clone is much faster over lan. new client can still clone with pull, can still clone from older servers. new server can still serve older clients.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Fri, 14 Jul 2006 11:17:22 -0700
parents 6563438219e3
children c0b449154a90
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
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1 #!/bin/sh
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2 #
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3 # revlog.parseindex must be able to parse the index file even if
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4 # an index entry is split between two 64k blocks. The ideal test
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5 # would be to create an index file with inline data where
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6 # 64k < size < 64k + 64 (64k is the size of the read buffer, 64 is
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7 # the size of an index entry) and with an index entry starting right
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8 # before the 64k block boundary, and try to read it.
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9 #
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10 # We approximate that by reducing the read buffer to 1 byte.
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11 #
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12
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13 hg init a
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14 cd a
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15 echo abc > foo
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16 hg add foo
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17 hg commit -m 'add foo' -d '1000000 0'
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18
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19 echo >> foo
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20 hg commit -m 'change foo' -d '1000001 0'
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21 hg log -r 0:
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22
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23 cat >> test.py << EOF
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24 from mercurial import changelog, util
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25 from mercurial.node import *
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26
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27 class singlebyteread(object):
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28 def __init__(self, real):
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29 self.real = real
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30
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31 def read(self, size=-1):
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32 if size == 65536:
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33 size = 1
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34 return self.real.read(size)
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35
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36 def __getattr__(self, key):
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37 return getattr(self.real, key)
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38
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39 def opener(*args):
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40 o = util.opener(*args)
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41 def wrapper(*a):
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42 f = o(*a)
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43 return singlebyteread(f)
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44 return wrapper
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45
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46 cl = changelog.changelog(opener('.hg'))
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47 print cl.count(), 'revisions:'
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48 for r in xrange(cl.count()):
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49 print short(cl.node(r))
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50 EOF
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51
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52 python test.py