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#!/usr/bin/env python
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from __future__ import absolute_import
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import getopt
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import sys
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import hgdemandimport
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hgdemandimport.enable()
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from mercurial.i18n import _
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from mercurial import (
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error,
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fancyopts,
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simplemerge,
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ui as uimod,
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util,
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)
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options = [('L', 'label', [], _('labels to use on conflict markers')),
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('a', 'text', None, _('treat all files as text')),
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('p', 'print', None,
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_('print results instead of overwriting LOCAL')),
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('', 'no-minimal', None, _('no effect (DEPRECATED)')),
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('h', 'help', None, _('display help and exit')),
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('q', 'quiet', None, _('suppress output'))]
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usage = _('''simplemerge [OPTS] LOCAL BASE OTHER
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Simple three-way file merge utility with a minimal feature set.
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Apply to LOCAL the changes necessary to go from BASE to OTHER.
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By default, LOCAL is overwritten with the results of this operation.
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''')
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class ParseError(Exception):
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"""Exception raised on errors in parsing the command line."""
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def showhelp():
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sys.stdout.write(usage)
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sys.stdout.write('\noptions:\n')
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out_opts = []
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for shortopt, longopt, default, desc in options:
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out_opts.append(('%2s%s' % (shortopt and '-%s' % shortopt,
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longopt and ' --%s' % longopt),
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'%s' % desc))
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opts_len = max([len(opt[0]) for opt in out_opts])
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for first, second in out_opts:
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sys.stdout.write(' %-*s %s\n' % (opts_len, first, second))
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class filebackedctx(object):
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"""simplemerge requires context-like objects"""
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def __init__(self, path):
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self._path = path
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def decodeddata(self):
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with open(self._path, "rb") as f:
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return f.read()
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def flags(self):
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return ''
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def path(self):
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return self._path
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def write(self, data, flags):
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assert not flags
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with open(self._path, "w") as f:
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f.write(data)
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try:
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for fp in (sys.stdin, sys.stdout, sys.stderr):
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util.setbinary(fp)
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opts = {}
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try:
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args = fancyopts.fancyopts(sys.argv[1:], options, opts)
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except getopt.GetoptError as e:
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raise ParseError(e)
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if opts['help']:
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showhelp()
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sys.exit(0)
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if len(args) != 3:
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raise ParseError(_('wrong number of arguments'))
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local, base, other = args
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sys.exit(simplemerge.simplemerge(uimod.ui.load(),
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filebackedctx(local),
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filebackedctx(base),
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filebackedctx(other),
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filtereddata=True,
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**opts))
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except ParseError as e:
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sys.stdout.write("%s: %s\n" % (sys.argv[0], e))
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showhelp()
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sys.exit(1)
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except error.Abort as e:
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sys.stderr.write("abort: %s\n" % e)
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sys.exit(255)
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except KeyboardInterrupt:
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sys.exit(255)
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