Mercurial > hg
annotate mercurial/dispatch.py @ 11493:cc4e2a7ca23f
Merge with stable
author | Martin Geisler <mg@aragost.com> |
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date | Fri, 02 Jul 2010 11:30:57 +0200 |
parents | 713ae78bb583 |
children | 2347513f562a d8d0fc3988ca |
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1 # dispatch.py - command dispatching for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from i18n import _ |
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9 import os, sys, atexit, signal, pdb, socket, errno, shlex, time |
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10 import util, commands, hg, fancyopts, extensions, hook, error |
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11 import cmdutil, encoding |
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12 import ui as uimod |
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13 |
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14 def run(): |
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15 "run the command in sys.argv" |
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16 sys.exit(dispatch(sys.argv[1:])) |
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17 |
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18 def dispatch(args): |
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19 "run the command specified in args" |
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20 try: |
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21 u = uimod.ui() |
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22 if '--traceback' in args: |
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23 u.setconfig('ui', 'traceback', 'on') |
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24 except util.Abort, inst: |
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25 sys.stderr.write(_("abort: %s\n") % inst) |
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26 return -1 |
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27 except error.ParseError, inst: |
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28 if len(inst.args) > 1: |
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29 sys.stderr.write(_("hg: parse error at %s: %s\n") % |
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30 (inst.args[1], inst.args[0])) |
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31 else: |
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32 sys.stderr.write(_("hg: parse error: %s\n") % inst.args[0]) |
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33 return -1 |
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34 return _runcatch(u, args) |
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35 |
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36 def _runcatch(ui, args): |
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37 def catchterm(*args): |
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38 raise error.SignalInterrupt |
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39 |
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40 try: |
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41 for name in 'SIGBREAK', 'SIGHUP', 'SIGTERM': |
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42 num = getattr(signal, name, None) |
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43 if num: |
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44 signal.signal(num, catchterm) |
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45 except ValueError: |
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46 pass # happens if called in a thread |
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47 |
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48 try: |
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49 try: |
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50 # enter the debugger before command execution |
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51 if '--debugger' in args: |
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52 pdb.set_trace() |
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53 try: |
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54 return _dispatch(ui, args) |
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55 finally: |
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56 ui.flush() |
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57 except: |
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58 # enter the debugger when we hit an exception |
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59 if '--debugger' in args: |
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60 pdb.post_mortem(sys.exc_info()[2]) |
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61 ui.traceback() |
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62 raise |
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63 |
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64 # Global exception handling, alphabetically |
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65 # Mercurial-specific first, followed by built-in and library exceptions |
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66 except error.AmbiguousCommand, inst: |
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67 ui.warn(_("hg: command '%s' is ambiguous:\n %s\n") % |
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68 (inst.args[0], " ".join(inst.args[1]))) |
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69 except error.ParseError, inst: |
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70 if len(inst.args) > 1: |
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71 ui.warn(_("hg: parse error at %s: %s\n") % |
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72 (inst.args[1], inst.args[0])) |
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73 else: |
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74 ui.warn(_("hg: parse error: %s\n") % inst.args[0]) |
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75 return -1 |
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77 if inst.errno == errno.ETIMEDOUT: |
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78 reason = _('timed out waiting for lock held by %s') % inst.locker |
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79 else: |
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80 reason = _('lock held by %s') % inst.locker |
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81 ui.warn(_("abort: %s: %s\n") % (inst.desc or inst.filename, reason)) |
7640 | 82 except error.LockUnavailable, inst: |
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83 ui.warn(_("abort: could not lock %s: %s\n") % |
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84 (inst.desc or inst.filename, inst.strerror)) |
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85 except error.CommandError, inst: |
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86 if inst.args[0]: |
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87 ui.warn(_("hg %s: %s\n") % (inst.args[0], inst.args[1])) |
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88 commands.help_(ui, inst.args[0]) |
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89 else: |
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90 ui.warn(_("hg: %s\n") % inst.args[1]) |
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91 commands.help_(ui, 'shortlist') |
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92 except error.RepoError, inst: |
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93 ui.warn(_("abort: %s!\n") % inst) |
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94 except error.ResponseError, inst: |
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95 ui.warn(_("abort: %s") % inst.args[0]) |
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96 if not isinstance(inst.args[1], basestring): |
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97 ui.warn(" %r\n" % (inst.args[1],)) |
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98 elif not inst.args[1]: |
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99 ui.warn(_(" empty string\n")) |
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100 else: |
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101 ui.warn("\n%r\n" % util.ellipsis(inst.args[1])) |
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103 ui.warn(_("abort: %s!\n") % inst) |
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104 except error.SignalInterrupt: |
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105 ui.warn(_("killed!\n")) |
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106 except error.UnknownCommand, inst: |
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107 ui.warn(_("hg: unknown command '%s'\n") % inst.args[0]) |
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108 try: |
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109 # check if the command is in a disabled extension |
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110 # (but don't check for extensions themselves) |
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111 commands.help_(ui, inst.args[0], unknowncmd=True) |
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112 except error.UnknownCommand: |
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113 commands.help_(ui, 'shortlist') |
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114 except util.Abort, inst: |
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115 ui.warn(_("abort: %s\n") % inst) |
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116 except ImportError, inst: |
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117 ui.warn(_("abort: %s!\n") % inst) |
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118 m = str(inst).split()[-1] |
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119 if m in "mpatch bdiff".split(): |
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120 ui.warn(_("(did you forget to compile extensions?)\n")) |
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121 elif m in "zlib".split(): |
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122 ui.warn(_("(is your Python install correct?)\n")) |
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123 except IOError, inst: |
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124 if hasattr(inst, "code"): |
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125 ui.warn(_("abort: %s\n") % inst) |
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126 elif hasattr(inst, "reason"): |
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127 try: # usually it is in the form (errno, strerror) |
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128 reason = inst.reason.args[1] |
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129 except: # it might be anything, for example a string |
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130 reason = inst.reason |
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131 ui.warn(_("abort: error: %s\n") % reason) |
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132 elif hasattr(inst, "args") and inst.args[0] == errno.EPIPE: |
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133 if ui.debugflag: |
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134 ui.warn(_("broken pipe\n")) |
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135 elif getattr(inst, "strerror", None): |
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136 if getattr(inst, "filename", None): |
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137 ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename)) |
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138 else: |
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139 ui.warn(_("abort: %s\n") % inst.strerror) |
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140 else: |
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141 raise |
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142 except OSError, inst: |
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143 if getattr(inst, "filename", None): |
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144 ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename)) |
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145 else: |
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146 ui.warn(_("abort: %s\n") % inst.strerror) |
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147 except KeyboardInterrupt: |
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148 try: |
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149 ui.warn(_("interrupted!\n")) |
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150 except IOError, inst: |
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151 if inst.errno == errno.EPIPE: |
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152 if ui.debugflag: |
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153 ui.warn(_("\nbroken pipe\n")) |
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154 else: |
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155 raise |
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156 except MemoryError: |
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157 ui.warn(_("abort: out of memory\n")) |
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158 except SystemExit, inst: |
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159 # Commands shouldn't sys.exit directly, but give a return code. |
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160 # Just in case catch this and and pass exit code to caller. |
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161 return inst.code |
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162 except socket.error, inst: |
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163 ui.warn(_("abort: %s\n") % inst.args[-1]) |
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164 except: |
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165 ui.warn(_("** unknown exception encountered, details follow\n")) |
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166 ui.warn(_("** report bug details to " |
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167 "http://mercurial.selenic.com/bts/\n")) |
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168 ui.warn(_("** or mercurial@selenic.com\n")) |
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169 ui.warn(_("** Python %s\n") % sys.version.replace('\n', '')) |
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170 ui.warn(_("** Mercurial Distributed SCM (version %s)\n") |
7632 | 171 % util.version()) |
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172 ui.warn(_("** Extensions loaded: %s\n") |
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173 % ", ".join([x[0] for x in extensions.extensions()])) |
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174 raise |
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175 |
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176 return -1 |
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177 |
8655 | 178 def aliasargs(fn): |
179 if hasattr(fn, 'args'): | |
180 return fn.args | |
181 return [] | |
182 | |
183 class cmdalias(object): | |
184 def __init__(self, name, definition, cmdtable): | |
185 self.name = name | |
186 self.definition = definition | |
187 self.args = [] | |
188 self.opts = [] | |
189 self.help = '' | |
190 self.norepo = True | |
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191 self.badalias = False |
8655 | 192 |
193 try: | |
194 cmdutil.findcmd(self.name, cmdtable, True) | |
195 self.shadows = True | |
196 except error.UnknownCommand: | |
197 self.shadows = False | |
198 | |
199 if not self.definition: | |
200 def fn(ui, *args): | |
201 ui.warn(_("no definition for alias '%s'\n") % self.name) | |
202 return 1 | |
203 self.fn = fn | |
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204 self.badalias = True |
8655 | 205 |
206 return | |
207 | |
208 args = shlex.split(self.definition) | |
209 cmd = args.pop(0) | |
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210 args = map(util.expandpath, args) |
8655 | 211 |
212 try: | |
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213 tableentry = cmdutil.findcmd(cmd, cmdtable, False)[1] |
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214 if len(tableentry) > 2: |
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215 self.fn, self.opts, self.help = tableentry |
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216 else: |
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217 self.fn, self.opts = tableentry |
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218 |
8655 | 219 self.args = aliasargs(self.fn) + args |
220 if cmd not in commands.norepo.split(' '): | |
221 self.norepo = False | |
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222 if self.help.startswith("hg " + cmd): |
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223 # drop prefix in old-style help lines so hg shows the alias |
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224 self.help = self.help[4 + len(cmd):] |
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225 self.__doc__ = self.fn.__doc__ |
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226 |
8655 | 227 except error.UnknownCommand: |
228 def fn(ui, *args): | |
229 ui.warn(_("alias '%s' resolves to unknown command '%s'\n") \ | |
230 % (self.name, cmd)) | |
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231 try: |
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232 # check if the command is in a disabled extension |
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233 commands.help_(ui, cmd, unknowncmd=True) |
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234 except error.UnknownCommand: |
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235 pass |
8655 | 236 return 1 |
237 self.fn = fn | |
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238 self.badalias = True |
8655 | 239 except error.AmbiguousCommand: |
240 def fn(ui, *args): | |
241 ui.warn(_("alias '%s' resolves to ambiguous command '%s'\n") \ | |
242 % (self.name, cmd)) | |
243 return 1 | |
244 self.fn = fn | |
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245 self.badalias = True |
8655 | 246 |
247 def __call__(self, ui, *args, **opts): | |
248 if self.shadows: | |
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249 ui.debug("alias '%s' shadows command\n" % self.name) |
8655 | 250 |
251 return self.fn(ui, *args, **opts) | |
252 | |
253 def addaliases(ui, cmdtable): | |
254 # aliases are processed after extensions have been loaded, so they | |
255 # may use extension commands. Aliases can also use other alias definitions, | |
256 # but only if they have been defined prior to the current definition. | |
257 for alias, definition in ui.configitems('alias'): | |
258 aliasdef = cmdalias(alias, definition, cmdtable) | |
259 cmdtable[alias] = (aliasdef, aliasdef.opts, aliasdef.help) | |
260 if aliasdef.norepo: | |
261 commands.norepo += ' %s' % alias | |
262 | |
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263 def _parse(ui, args): |
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264 options = {} |
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265 cmdoptions = {} |
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266 |
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267 try: |
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268 args = fancyopts.fancyopts(args, commands.globalopts, options) |
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269 except fancyopts.getopt.GetoptError, inst: |
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270 raise error.CommandError(None, inst) |
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271 |
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272 if args: |
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273 cmd, args = args[0], args[1:] |
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274 aliases, entry = cmdutil.findcmd(cmd, commands.table, |
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275 ui.config("ui", "strict")) |
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276 cmd = aliases[0] |
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277 args = aliasargs(entry[0]) + args |
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278 defaults = ui.config("defaults", cmd) |
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279 if defaults: |
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280 args = map(util.expandpath, shlex.split(defaults)) + args |
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281 c = list(entry[1]) |
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282 else: |
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283 cmd = None |
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284 c = [] |
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285 |
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286 # combine global options into local |
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287 for o in commands.globalopts: |
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288 c.append((o[0], o[1], options[o[1]], o[3])) |
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289 |
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290 try: |
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291 args = fancyopts.fancyopts(args, c, cmdoptions, True) |
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292 except fancyopts.getopt.GetoptError, inst: |
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293 raise error.CommandError(cmd, inst) |
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294 |
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295 # separate global options back out |
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296 for o in commands.globalopts: |
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297 n = o[1] |
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298 options[n] = cmdoptions[n] |
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299 del cmdoptions[n] |
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300 |
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301 return (cmd, cmd and entry[0] or None, args, options, cmdoptions) |
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302 |
8137 | 303 def _parseconfig(ui, config): |
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304 """parse the --config options from the command line""" |
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305 for cfg in config: |
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306 try: |
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307 name, value = cfg.split('=', 1) |
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308 section, name = name.split('.', 1) |
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309 if not section or not name: |
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310 raise IndexError |
8137 | 311 ui.setconfig(section, name, value) |
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312 except (IndexError, ValueError): |
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313 raise util.Abort(_('malformed --config option: %r ' |
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314 '(use --config section.name=value)') % cfg) |
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315 |
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316 def _earlygetopt(aliases, args): |
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317 """Return list of values for an option (or aliases). |
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318 |
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319 The values are listed in the order they appear in args. |
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320 The options and values are removed from args. |
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321 """ |
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322 try: |
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323 argcount = args.index("--") |
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324 except ValueError: |
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325 argcount = len(args) |
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326 shortopts = [opt for opt in aliases if len(opt) == 2] |
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327 values = [] |
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328 pos = 0 |
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329 while pos < argcount: |
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330 if args[pos] in aliases: |
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331 if pos + 1 >= argcount: |
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332 # ignore and let getopt report an error if there is no value |
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333 break |
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334 del args[pos] |
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335 values.append(args.pop(pos)) |
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336 argcount -= 2 |
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337 elif args[pos][:2] in shortopts: |
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338 # short option can have no following space, e.g. hg log -Rfoo |
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339 values.append(args.pop(pos)[2:]) |
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340 argcount -= 1 |
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341 else: |
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342 pos += 1 |
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343 return values |
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344 |
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345 def runcommand(lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions): |
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346 # run pre-hook, and abort if it fails |
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347 ret = hook.hook(lui, repo, "pre-%s" % cmd, False, args=" ".join(fullargs), |
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348 pats=cmdpats, opts=cmdoptions) |
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349 if ret: |
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350 return ret |
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351 ret = _runcommand(ui, options, cmd, d) |
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352 # run post-hook, passing command result |
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353 hook.hook(lui, repo, "post-%s" % cmd, False, args=" ".join(fullargs), |
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354 result=ret, pats=cmdpats, opts=cmdoptions) |
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355 return ret |
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356 |
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357 _loaded = set() |
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358 def _dispatch(ui, args): |
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359 # read --config before doing anything else |
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360 # (e.g. to change trust settings for reading .hg/hgrc) |
8137 | 361 _parseconfig(ui, _earlygetopt(['--config'], args)) |
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362 |
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363 # check for cwd |
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364 cwd = _earlygetopt(['--cwd'], args) |
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365 if cwd: |
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366 os.chdir(cwd[-1]) |
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367 |
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368 # read the local repository .hgrc into a local ui object |
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369 path = cmdutil.findrepo(os.getcwd()) or "" |
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370 if not path: |
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371 lui = ui |
9436 | 372 else: |
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373 try: |
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374 lui = ui.copy() |
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375 lui.readconfig(os.path.join(path, ".hg", "hgrc")) |
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376 except IOError: |
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377 pass |
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378 |
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379 # now we can expand paths, even ones in .hg/hgrc |
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380 rpath = _earlygetopt(["-R", "--repository", "--repo"], args) |
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381 if rpath: |
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382 path = lui.expandpath(rpath[-1]) |
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383 lui = ui.copy() |
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384 lui.readconfig(os.path.join(path, ".hg", "hgrc")) |
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385 |
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386 # Configure extensions in phases: uisetup, extsetup, cmdtable, and |
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387 # reposetup. Programs like TortoiseHg will call _dispatch several |
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388 # times so we keep track of configured extensions in _loaded. |
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389 extensions.loadall(lui) |
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390 exts = [ext for ext in extensions.extensions() if ext[0] not in _loaded] |
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391 |
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392 # (uisetup and extsetup are handled in extensions.loadall) |
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393 |
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394 for name, module in exts: |
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395 cmdtable = getattr(module, 'cmdtable', {}) |
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396 overrides = [cmd for cmd in cmdtable if cmd in commands.table] |
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397 if overrides: |
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398 ui.warn(_("extension '%s' overrides commands: %s\n") |
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399 % (name, " ".join(overrides))) |
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400 commands.table.update(cmdtable) |
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401 _loaded.add(name) |
8655 | 402 |
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403 # (reposetup is handled in hg.repository) |
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404 |
8655 | 405 addaliases(lui, commands.table) |
406 | |
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407 # check for fallback encoding |
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408 fallback = lui.config('ui', 'fallbackencoding') |
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409 if fallback: |
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410 encoding.fallbackencoding = fallback |
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411 |
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412 fullargs = args |
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413 cmd, func, args, options, cmdoptions = _parse(lui, args) |
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414 |
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415 if options["config"]: |
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416 raise util.Abort(_("Option --config may not be abbreviated!")) |
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417 if options["cwd"]: |
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418 raise util.Abort(_("Option --cwd may not be abbreviated!")) |
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419 if options["repository"]: |
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420 raise util.Abort(_( |
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421 "Option -R has to be separated from other options (e.g. not -qR) " |
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422 "and --repository may only be abbreviated as --repo!")) |
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423 |
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424 if options["encoding"]: |
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425 encoding.encoding = options["encoding"] |
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426 if options["encodingmode"]: |
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427 encoding.encodingmode = options["encodingmode"] |
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428 if options["time"]: |
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429 def get_times(): |
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430 t = os.times() |
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431 if t[4] == 0.0: # Windows leaves this as zero, so use time.clock() |
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432 t = (t[0], t[1], t[2], t[3], time.clock()) |
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433 return t |
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434 s = get_times() |
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435 def print_time(): |
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436 t = get_times() |
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437 ui.warn(_("Time: real %.3f secs (user %.3f+%.3f sys %.3f+%.3f)\n") % |
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438 (t[4]-s[4], t[0]-s[0], t[2]-s[2], t[1]-s[1], t[3]-s[3])) |
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439 atexit.register(print_time) |
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440 |
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441 if options['verbose'] or options['debug'] or options['quiet']: |
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442 ui.setconfig('ui', 'verbose', str(bool(options['verbose']))) |
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443 ui.setconfig('ui', 'debug', str(bool(options['debug']))) |
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444 ui.setconfig('ui', 'quiet', str(bool(options['quiet']))) |
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445 if options['traceback']: |
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446 ui.setconfig('ui', 'traceback', 'on') |
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447 if options['noninteractive']: |
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448 ui.setconfig('ui', 'interactive', 'off') |
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449 |
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450 if options['help']: |
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451 return commands.help_(ui, cmd, options['version']) |
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452 elif options['version']: |
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453 return commands.version_(ui) |
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454 elif not cmd: |
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455 return commands.help_(ui, 'shortlist') |
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456 |
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457 repo = None |
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provide pre- and post- hooks with parsed command line arguments.
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458 cmdpats = args[:] |
5178
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459 if cmd not in commands.norepo.split(): |
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460 try: |
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461 repo = hg.repository(ui, path=path) |
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462 ui = repo.ui |
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463 if not repo.local(): |
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464 raise util.Abort(_("repository '%s' is not local") % path) |
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465 ui.setconfig("bundle", "mainreporoot", repo.root) |
7637 | 466 except error.RepoError: |
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467 if cmd not in commands.optionalrepo.split(): |
6150
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Infer a --repository argument from command arguments when reasonable.
Jesse Glick <jesse.glick@sun.com>
parents:
6142
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468 if args and not path: # try to infer -R from command args |
10402
d216fa04e48a
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Brendan Cully <brendan@kublai.com>
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10364
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469 repos = map(cmdutil.findrepo, args) |
6150
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Infer a --repository argument from command arguments when reasonable.
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470 guess = repos[0] |
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471 if guess and repos.count(guess) == len(repos): |
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Infer a --repository argument from command arguments when reasonable.
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472 return _dispatch(ui, ['--repository', guess] + fullargs) |
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473 if not path: |
7637 | 474 raise error.RepoError(_("There is no Mercurial repository" |
475 " here (.hg not found)")) | |
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476 raise |
7388
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diff
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477 args.insert(0, repo) |
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478 elif rpath: |
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479 ui.warn("warning: --repository ignored\n") |
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480 |
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481 d = lambda: util.checksignature(func)(ui, *args, **cmdoptions) |
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parents:
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482 return runcommand(lui, repo, cmd, fullargs, ui, options, d, |
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483 cmdpats, cmdoptions) |
5178
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484 |
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parents:
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485 def _runcommand(ui, options, cmd, cmdfunc): |
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486 def checkargs(): |
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|
487 try: |
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parents:
diff
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|
488 return cmdfunc() |
7646 | 489 except error.SignatureError: |
11287
b901bb751999
error: change ParseError to CommandError
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parents:
11209
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changeset
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490 raise error.CommandError(cmd, _("invalid arguments")) |
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diff
changeset
|
491 |
6141
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Backed out changeset b913d3aacddc (see issue971/msg5317)
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parents:
5995
diff
changeset
|
492 if options['profile']: |
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493 format = ui.config('profiling', 'format', default='text') |
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494 |
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diff
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495 if not format in ['text', 'kcachegrind']: |
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496 ui.warn(_("unrecognized profiling format '%s'" |
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497 " - Ignored\n") % format) |
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498 format = 'text' |
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|
499 |
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500 output = ui.config('profiling', 'output') |
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501 |
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|
502 if output: |
9610
d78fe60f6bda
make path expanding more consistent
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parents:
9569
diff
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|
503 path = ui.expandpath(output) |
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parents:
8021
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|
504 ostream = open(path, 'wb') |
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505 else: |
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|
506 ostream = sys.stderr |
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507 |
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508 try: |
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diff
changeset
|
509 from mercurial import lsprof |
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diff
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|
510 except ImportError: |
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diff
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|
511 raise util.Abort(_( |
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parents:
diff
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|
512 'lsprof not available - install from ' |
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|
513 'http://codespeak.net/svn/user/arigo/hack/misc/lsprof/')) |
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|
514 p = lsprof.Profiler() |
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parents:
diff
changeset
|
515 p.enable(subcalls=True) |
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parents:
diff
changeset
|
516 try: |
6141
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parents:
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|
517 return checkargs() |
5178
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|
518 finally: |
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parents:
diff
changeset
|
519 p.disable() |
8024
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Nicolas Dumazet <nicdumz.commits@gmail.com>
parents:
8023
diff
changeset
|
520 |
9a1b86cfd29e
profiling: Adding support for kcachegrind output format, using lsprofcalltree
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parents:
8023
diff
changeset
|
521 if format == 'kcachegrind': |
9a1b86cfd29e
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8023
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|
522 import lsprofcalltree |
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|
523 calltree = lsprofcalltree.KCacheGrind(p) |
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parents:
8023
diff
changeset
|
524 calltree.output(ostream) |
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diff
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|
525 else: |
9a1b86cfd29e
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8023
diff
changeset
|
526 # format == 'text' |
9a1b86cfd29e
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parents:
8023
diff
changeset
|
527 stats = lsprof.Stats(p.getstats()) |
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diff
changeset
|
528 stats.sort() |
9a1b86cfd29e
profiling: Adding support for kcachegrind output format, using lsprofcalltree
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parents:
8023
diff
changeset
|
529 stats.pprint(top=10, file=ostream, climit=5) |
8022
4f3fdfaa3874
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parents:
8021
diff
changeset
|
530 |
4f3fdfaa3874
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parents:
8021
diff
changeset
|
531 if output: |
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diff
changeset
|
532 ostream.close() |
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parents:
diff
changeset
|
533 else: |
6141
90e5c82a3859
Backed out changeset b913d3aacddc (see issue971/msg5317)
Thomas Arendsen Hein <thomas@intevation.de>
parents:
5995
diff
changeset
|
534 return checkargs() |