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annotate contrib/dumprevlog @ 40450:41f0529b5112 stable

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commandserver: get around ETIMEDOUT raised by selectors2 selector.select() should exits with an empty event list on timed out, but selectors2 raises OSError if timeout expires while recovering from EINTR. Spotted while debugging new chg feature.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 03 Dec 2018 21:45:15 +0900
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-")