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lfs: verify lfs object content when transferring to and from the remote store...
lfs: verify lfs object content when transferring to and from the remote store This avoids inserting corrupt files into the usercache, and local and remote stores. One down side is that the bad file won't be available locally for forensic purposes after a remote download. I'm thinking about adding an 'incoming' directory to the local lfs store to handle the download, and then move it to the 'objects' directory after it passes verification. That would have the additional benefit of not concatenating each transfer chunk in memory until the full file is transferred. Verification isn't needed when the data is passed back through the revlog interface or when the oid was just calculated, but otherwise it is on by default. The additional overhead should be well worth avoiding problems with file based remote stores, or buggy lfs servers. Having two different verify functions is a little sad, but the full data of the blob is mostly passed around in memory, because that's what the revlog interface wants. The upload function, however, chunks up the data. It would be ideal if that was how the content is always handled, but that's probably a huge project. I don't really like printing the long hash, but `hg debugdata` isn't a public interface, and is the only way to get it. The filelog and revision info is nowhere near this area, so recommending `hg verify` is the easiest thing to do.
FUJIWARA Katsunori - - Load All Authors

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runrst
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#!/usr/bin/env python
#
# runrst - register custom roles and run correct writer
#
# Copyright 2010 Matt Mackall <mpm@selenic.com> and others
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""usage: %s WRITER args...
where WRITER is the name of a Docutils writer such as 'html' or 'manpage'
"""
import sys
try:
from docutils.parsers.rst import roles
from docutils.core import publish_cmdline
from docutils import nodes, utils
except ImportError:
sys.stderr.write("abort: couldn't generate documentation: docutils "
"module is missing\n")
sys.stderr.write("please install python-docutils or see "
"http://docutils.sourceforge.net/\n")
sys.exit(-1)
def role_hg(name, rawtext, text, lineno, inliner,
options={}, content=[]):
text = "hg " + utils.unescape(text)
linktext = nodes.literal(rawtext, text)
parts = text.split()
cmd, args = parts[1], parts[2:]
refuri = "hg.1.html#%s" % cmd
if cmd == 'help' and args:
if args[0] == 'config':
# :hg:`help config`
refuri = "hgrc.5.html"
elif args[0].startswith('config.'):
# :hg:`help config.SECTION...`
refuri = "hgrc.5.html#%s" % args[0].split('.', 2)[1]
elif len(args) >= 2 and args[0] == '-c':
# :hg:`help -c COMMAND ...` is equivalent to :hg:`COMMAND`
# (mainly for :hg:`help -c config`)
refuri = "hg.1.html#%s" % args[1]
else:
refuri = "hg.1.html#%s" % args[0]
node = nodes.reference(rawtext, '', linktext,
refuri=refuri)
return [node], []
roles.register_local_role("hg", role_hg)
if __name__ == "__main__":
if len(sys.argv) < 2:
sys.stderr.write(__doc__ % sys.argv[0])
sys.exit(1)
writer = sys.argv[1]
del sys.argv[1]
publish_cmdline(writer_name=writer)