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wireprotov2: advertise recommended batch size for requests...
wireprotov2: advertise recommended batch size for requests Currently, exchangev2 hardcodes the batch size for how many revisions to fetch per command request. A single value is not appropriate for every repository because some repositories may have a drastically different "shape" from other repositories. e.g. a repo with lots of small files may benefit from larger batch sizes than a repo with lots of large files. And depending on caching used by the server, the server may wish to control the number of commands (to e.g. mitigate overhead of following content redirects). This commit teaches wireprotov2 commands to declare extra metadata which is advertised as part of the command descriptor. The manifestdata command has been taught to advertise a recommended batch size for requests. Differential Revision: https://phab.mercurial-scm.org/D4975
Matt Harbison - - Load All Authors

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undumprevlog
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#!/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 (
encoding,
node,
pycompat,
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(b'.', False)
tr = transaction.transaction(sys.stderr.write, opener, {b'store': opener},
b"undump.journal")
while True:
l = sys.stdin.readline()
if not l:
break
if l.startswith("file:"):
f = encoding.strtolocal(l[6:-1])
r = revlog.revlog(opener, f)
pycompat.stdout.write(b'%s\n' % 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 = encoding.strtolocal(sys.stdin.read(length))
sys.stdin.readline() # end marker
r.addrevision(d, tr, lr, p1, p2)
tr.close()