annotate contrib/dumprevlog @ 40770:b059388d976c

perf: rely on repoview for perfbranchmapupdate Using 'repoview' matching the base and target subset make the benchmark more realistic. It also unlocks optimization to make the command initialization faster.
author Boris Feld <boris.feld@octobus.net>
date Wed, 21 Nov 2018 20:35:22 +0000
parents a063b84ce064
children 3518da504303
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1 #!/usr/bin/env python
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2 # Dump revlogs as raw data stream
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3 # $ find .hg/store/ -name "*.i" | xargs dumprevlog > repo.dump
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4
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5 from __future__ import absolute_import, print_function
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6
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7 import sys
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8 from mercurial import (
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9 encoding,
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10 node,
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11 pycompat,
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12 revlog,
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13 )
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14 from mercurial.utils import (
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15 procutil,
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16 )
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17
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18 for fp in (sys.stdin, sys.stdout, sys.stderr):
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19 procutil.setbinary(fp)
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20
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21 def binopen(path, mode=b'rb'):
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22 if b'b' not in mode:
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23 mode = mode + b'b'
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24 return open(path, pycompat.sysstr(mode))
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25
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26 def printb(data, end=b'\n'):
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27 sys.stdout.flush()
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28 pycompat.stdout.write(data + end)
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29
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30 for f in sys.argv[1:]:
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31 r = revlog.revlog(binopen, encoding.strtolocal(f))
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32 print("file:", f)
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33 for i in r:
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34 n = r.node(i)
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35 p = r.parents(n)
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36 d = r.revision(n)
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37 printb(b"node: %s" % node.hex(n))
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38 printb(b"linkrev: %d" % r.linkrev(i))
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39 printb(b"parents: %s %s" % (node.hex(p[0]), node.hex(p[1])))
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40 printb(b"length: %d" % len(d))
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41 printb(b"-start-")
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42 printb(d)
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43 printb(b"-end-")