Mercurial > hg
annotate contrib/undumprevlog @ 38263:dbf31732ef64
debugwalk: pretty-print nested matcher
While porting filesets to composition of matchers, I found the original
one-liner was hard to read.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 10 Jun 2018 11:55:52 +0900 |
parents | a8a902d7176e |
children | a063b84ce064 |
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1 #!/usr/bin/env python |
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2 # Undump a dump from dumprevlog |
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3 # $ hg init |
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4 # $ undumprevlog < repo.dump |
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5 |
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6 from __future__ import absolute_import, print_function |
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7 |
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8 import sys |
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9 from mercurial import ( |
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10 node, |
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11 revlog, |
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12 transaction, |
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13 vfs as vfsmod, |
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14 ) |
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15 from mercurial.utils import ( |
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16 procutil, |
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17 ) |
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18 |
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19 for fp in (sys.stdin, sys.stdout, sys.stderr): |
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20 procutil.setbinary(fp) |
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21 |
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22 opener = vfsmod.vfs('.', False) |
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23 tr = transaction.transaction(sys.stderr.write, opener, {'store': opener}, |
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24 "undump.journal") |
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25 while True: |
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26 l = sys.stdin.readline() |
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27 if not l: |
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28 break |
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29 if l.startswith("file:"): |
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30 f = l[6:-1] |
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31 r = revlog.revlog(opener, f) |
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32 print(f) |
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33 elif l.startswith("node:"): |
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34 n = node.bin(l[6:-1]) |
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35 elif l.startswith("linkrev:"): |
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36 lr = int(l[9:-1]) |
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37 elif l.startswith("parents:"): |
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38 p = l[9:-1].split() |
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39 p1 = node.bin(p[0]) |
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40 p2 = node.bin(p[1]) |
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41 elif l.startswith("length:"): |
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42 length = int(l[8:-1]) |
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43 sys.stdin.readline() # start marker |
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44 d = sys.stdin.read(length) |
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45 sys.stdin.readline() # end marker |
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46 r.addrevision(d, tr, lr, p1, p2) |
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47 |
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48 tr.close() |