#!/usr/bin/env python
# Undump a dump from dumprevlog
# $ hg init
# $ undumprevlog < repo.dump

import sys
from mercurial import revlog, node, util, transaction

for fp in (sys.stdin, sys.stdout, sys.stderr):
   util.set_binary(fp)

opener = util.opener('.', False)
tr = transaction.transaction(sys.stderr.write, opener, "undump.journal")
while 1:
   l = sys.stdin.readline()
   if not l:
       break
   if l.startswith("file:"):
       f = l[6:-1]
       r = revlog.revlog(opener, f)
       print f
   elif l.startswith("node:"):
       n = node.bin(l[6:-1])
   elif l.startswith("linkrev:"):
       lr = int(l[9:-1])
   elif l.startswith("parents:"):
       p = l[9:-1].split()
       p1 = node.bin(p[0])
       p2 = node.bin(p[1])
   elif l.startswith("length:"):
       length = int(l[8:-1])
       sys.stdin.readline() # start marker
       d = sys.stdin.read(length)
       sys.stdin.readline() # end marker
       r.addrevision(d, tr, lr, p1, p2)

tr.close()

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