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#!/usr/bin/env python3
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# Dump revlogs as raw data stream
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# $ find .hg/store/ -name "*.i" | xargs dumprevlog > repo.dump
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import sys
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from mercurial.node import hex
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from mercurial import (
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encoding,
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pycompat,
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revlog,
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)
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from mercurial.utils import procutil
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from mercurial.revlogutils import (
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constants as revlog_constants,
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)
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for fp in (sys.stdin, sys.stdout, sys.stderr):
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procutil.setbinary(fp)
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def binopen(path, mode=b'rb'):
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if b'b' not in mode:
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mode = mode + b'b'
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return open(path, pycompat.sysstr(mode))
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binopen.options = {}
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def printb(data, end=b'\n'):
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sys.stdout.flush()
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procutil.stdout.write(data + end)
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for f in sys.argv[1:]:
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localf = encoding.strtolocal(f)
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if not localf.endswith(b'.i'):
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print("file:", f, file=sys.stderr)
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print(" invalid filename", file=sys.stderr)
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r = revlog.revlog(
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binopen,
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target=(revlog_constants.KIND_OTHER, b'dump-revlog'),
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radix=localf[:-2],
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)
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print("file:", f)
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for i in r:
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n = r.node(i)
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p = r.parents(n)
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d = r.revision(n)
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printb(b"node: %s" % hex(n))
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printb(b"linkrev: %d" % r.linkrev(i))
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printb(b"parents: %s %s" % (hex(p[0]), hex(p[1])))
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printb(b"length: %d" % len(d))
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printb(b"-start-")
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printb(d)
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printb(b"-end-")
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