Mercurial > hg > mercurial-crew-with-dirclash
annotate hgext/purge.py @ 5483:0c43f87baba3 default tip
Fix file-changed-to-dir and dir-to-file commits (issue660).
Allow adding to dirstate files that clash with previously existing
but marked for removal. Protect from reintroducing clashes by revert.
This change doesn't address related issues with update. Current
workaround is to do "clean" update by manually removing conflicting
files/dirs from working directory.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sat, 27 Oct 2007 16:27:55 +0400 |
parents | c80af96943aa |
children |
rev | line source |
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2364 | 1 # Copyright (C) 2006 - Marco Barisione <marco@barisione.org> |
2 # | |
3 # This is a small extension for Mercurial (http://www.selenic.com/mercurial) | |
4 # that removes files not known to mercurial | |
5 # | |
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6 # This program was inspired by the "cvspurge" script contained in CVS utilities |
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7 # (http://www.red-bean.com/cvsutils/). |
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8 # |
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9 # To enable the "purge" extension put these lines in your ~/.hgrc: |
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10 # [extensions] |
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11 # hgext.purge = |
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12 # |
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13 # For help on the usage of "hg purge" use: |
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14 # hg help purge |
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15 # |
2364 | 16 # This program is free software; you can redistribute it and/or modify |
17 # it under the terms of the GNU General Public License as published by | |
18 # the Free Software Foundation; either version 2 of the License, or | |
19 # (at your option) any later version. | |
20 # | |
21 # This program is distributed in the hope that it will be useful, | |
22 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 # GNU General Public License for more details. | |
25 # | |
26 # You should have received a copy of the GNU General Public License | |
27 # along with this program; if not, write to the Free Software | |
28 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
29 | |
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30 from mercurial import hg, util, commands |
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31 from mercurial.i18n import _ |
2364 | 32 import os |
33 | |
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34 def dopurge(ui, repo, dirs=None, act=True, ignored=False, |
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35 abort_on_err=False, eol='\n', |
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36 force=False, include=None, exclude=None): |
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37 def error(msg): |
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38 if abort_on_err: |
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39 raise util.Abort(msg) |
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40 else: |
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41 ui.warn(_('warning: %s\n') % msg) |
2364 | 42 |
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43 def remove(remove_func, name): |
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44 if act: |
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45 try: |
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46 remove_func(os.path.join(repo.root, name)) |
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47 except OSError, e: |
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48 error(_('%s cannot be removed') % name) |
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49 else: |
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50 ui.write('%s%s' % (name, eol)) |
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51 |
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52 directories = [] |
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53 files = [] |
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54 missing = [] |
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55 roots, match, anypats = util.cmdmatcher(repo.root, repo.getcwd(), dirs, |
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56 include, exclude) |
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57 for src, f, st in repo.dirstate.statwalk(files=roots, match=match, |
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58 ignored=ignored, directories=True): |
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59 if src == 'd': |
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60 directories.append(f) |
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61 elif src == 'm': |
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62 missing.append(f) |
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63 elif src == 'f' and f not in repo.dirstate: |
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64 files.append(f) |
2364 | 65 |
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66 _check_missing(ui, repo, missing, force) |
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67 |
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68 directories.sort() |
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69 |
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70 for f in files: |
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71 if f not in repo.dirstate: |
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72 ui.note(_('Removing file %s\n') % f) |
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73 remove(os.remove, f) |
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74 |
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75 for f in directories[::-1]: |
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76 if match(f) and not os.listdir(repo.wjoin(f)): |
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77 ui.note(_('Removing directory %s\n') % f) |
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78 remove(os.rmdir, f) |
2364 | 79 |
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80 def _check_missing(ui, repo, missing, force=False): |
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81 """Abort if there is the chance of having problems with name-mangling fs |
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82 |
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83 In a name mangling filesystem (e.g. a case insensitive one) |
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84 dirstate.walk() can yield filenames different from the ones |
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85 stored in the dirstate. This already confuses the status and |
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86 add commands, but with purge this may cause data loss. |
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87 |
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88 To prevent this, _check_missing will abort if there are missing |
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89 files. The force option will let the user skip the check if he |
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90 knows it is safe. |
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91 |
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92 Even with the force option this function will check if any of the |
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93 missing files is still available in the working dir: if so there |
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94 may be some problem with the underlying filesystem, so it |
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95 aborts unconditionally.""" |
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96 |
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97 found = [f for f in missing if util.lexists(repo.wjoin(f))] |
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98 |
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99 if found: |
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100 if not ui.quiet: |
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101 ui.warn(_("The following tracked files weren't listed by the " |
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102 "filesystem, but could still be found:\n")) |
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103 for f in found: |
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104 ui.warn("%s\n" % f) |
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105 if util.checkfolding(repo.path): |
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106 ui.warn(_("This is probably due to a case-insensitive " |
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107 "filesystem\n")) |
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108 raise util.Abort(_("purging on name mangling filesystems is not " |
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109 "yet fully supported")) |
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110 |
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111 if missing and not force: |
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112 raise util.Abort(_("there are missing files in the working dir and " |
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113 "purge still has problems with them due to name " |
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114 "mangling filesystems. " |
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115 "Use --force if you know what you are doing")) |
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116 |
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117 |
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118 def purge(ui, repo, *dirs, **opts): |
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119 '''removes files not tracked by mercurial |
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120 |
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121 Delete files not known to mercurial, this is useful to test local and |
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122 uncommitted changes in the otherwise clean source tree. |
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123 |
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124 This means that purge will delete: |
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125 - Unknown files: files marked with "?" by "hg status" |
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126 - Ignored files: files usually ignored by Mercurial because they match |
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127 a pattern in a ".hgignore" file |
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128 - Empty directories: in fact Mercurial ignores directories unless they |
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129 contain files under source control managment |
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130 But it will leave untouched: |
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131 - Unmodified tracked files |
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132 - Modified tracked files |
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133 - New files added to the repository (with "hg add") |
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135 If directories are given on the command line, only files in these |
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136 directories are considered. |
2364 | 137 |
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138 Be careful with purge, you could irreversibly delete some files you |
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139 forgot to add to the repository. If you only want to print the list of |
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140 files that this program would delete use the --print option. |
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141 ''' |
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142 act = not opts['print'] |
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143 ignored = bool(opts['all']) |
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144 abort_on_err = bool(opts['abort_on_err']) |
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145 eol = opts['print0'] and '\0' or '\n' |
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146 if eol == '\0': |
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147 # --print0 implies --print |
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148 act = False |
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149 force = bool(opts['force']) |
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150 include = opts['include'] |
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151 exclude = opts['exclude'] |
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152 dopurge(ui, repo, dirs, act, ignored, abort_on_err, |
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153 eol, force, include, exclude) |
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155 | |
156 cmdtable = { | |
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157 'purge|clean': |
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158 (purge, |
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159 [('a', 'abort-on-err', None, _('abort if an error occurs')), |
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160 ('', 'all', None, _('purge ignored files too')), |
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161 ('f', 'force', None, _('purge even when missing files are detected')), |
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162 ('p', 'print', None, _('print the file names instead of deleting them')), |
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163 ('0', 'print0', None, _('end filenames with NUL, for use with xargs' |
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164 ' (implies -p)')), |
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165 ] + commands.walkopts, |
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166 _('hg purge [OPTION]... [DIR]...')) |
2364 | 167 } |