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wireprotov2: update stream encoding specification...
wireprotov2: update stream encoding specification The encoding of data within streams in the frame-based protocol is not yet defined or implemented. This means that all data in wire protocol version 2 is currently being sent out raw, without compression. That's obviously not ideal. This commit formalizes the beginnings of stream encoding support in the protocol. I suspect we'll change behavior substantially in the future. My goal is to get something landed so we can use compression. We can build out more robust support later. Because the frame type ID changed, this is strictly BC. But existing code wasn't using the frame. I'll bump the framing protocol version later once code is introduced to use the new frame. Differential Revision: https://phab.mercurial-scm.org/D4915

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simplemerge
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#!/usr/bin/env python
from __future__ import absolute_import
import getopt
import sys
import hgdemandimport
hgdemandimport.enable()
from mercurial.i18n import _
from mercurial import (
context,
error,
fancyopts,
pycompat,
simplemerge,
ui as uimod,
)
from mercurial.utils import (
procutil,
)
options = [(b'L', b'label', [], _(b'labels to use on conflict markers')),
(b'a', b'text', None, _(b'treat all files as text')),
(b'p', b'print', None,
_(b'print results instead of overwriting LOCAL')),
(b'', b'no-minimal', None, _(b'no effect (DEPRECATED)')),
(b'h', b'help', None, _(b'display help and exit')),
(b'q', b'quiet', None, _(b'suppress output'))]
usage = _('''simplemerge [OPTS] LOCAL BASE OTHER
Simple three-way file merge utility with a minimal feature set.
Apply to LOCAL the changes necessary to go from BASE to OTHER.
By default, LOCAL is overwritten with the results of this operation.
''')
class ParseError(Exception):
"""Exception raised on errors in parsing the command line."""
def showhelp():
sys.stdout.write(usage)
sys.stdout.write(b'\noptions:\n')
out_opts = []
for shortopt, longopt, default, desc in options:
out_opts.append((b'%2s%s' % (shortopt and b'-%s' % shortopt,
longopt and b' --%s' % longopt),
b'%s' % desc))
opts_len = max([len(opt[0]) for opt in out_opts])
for first, second in out_opts:
sys.stdout.write(b' %-*s %s\n' % (opts_len, first, second))
try:
for fp in (sys.stdin, sys.stdout, sys.stderr):
procutil.setbinary(fp)
opts = {}
try:
args = fancyopts.fancyopts(sys.argv[1:], options, opts)
except getopt.GetoptError as e:
raise ParseError(e)
if opts[b'help']:
showhelp()
sys.exit(0)
if len(args) != 3:
raise ParseError(_(b'wrong number of arguments'))
local, base, other = args
sys.exit(simplemerge.simplemerge(uimod.ui.load(),
context.arbitraryfilectx(local),
context.arbitraryfilectx(base),
context.arbitraryfilectx(other),
**pycompat.strkwargs(opts)))
except ParseError as e:
sys.stdout.write(b"%s: %s\n" % (sys.argv[0], e))
showhelp()
sys.exit(1)
except error.Abort as e:
sys.stderr.write(b"abort: %s\n" % e)
sys.exit(255)
except KeyboardInterrupt:
sys.exit(255)