contrib/undumprevlog
author Matt Harbison <matt_harbison@yahoo.com>
Thu, 14 Jun 2018 12:35:04 -0400
changeset 38336 bb7e3c6ef592
parent 37120 a8a902d7176e
child 39947 a063b84ce064
permissions -rwxr-xr-x
phabricator: preserve the phase when amending in the Differential fields I have no idea if it's better to change scmutil.cleanupnodes() so that it has the option to either apply a specific phase (e.g. for various --secret switches) or carry over the phase of the old node. The benefit would be that the caller doesn't have to remember to do this. The con is maybe inefficiency? I wrote this up as issue5918. I'm leaving that open since Yuya flagged it as an API bug. Since most other callers already do this, it's the simplest fix. (It's not obvious that `split`, `fix` and `rebase` are doing this, but there is test coverage for `fix` and `rebase`, and experimenting with `split` shows it does the right thing.)

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

from __future__ import absolute_import, print_function

import sys
from mercurial import (
    node,
    revlog,
    transaction,
    vfs as vfsmod,
)
from mercurial.utils import (
    procutil,
)

for fp in (sys.stdin, sys.stdout, sys.stderr):
    procutil.setbinary(fp)

opener = vfsmod.vfs('.', False)
tr = transaction.transaction(sys.stderr.write, opener, {'store': opener},
                             "undump.journal")
while True:
    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()