Mercurial > hg > mercurial-crew-with-dirclash
annotate hgext/purge.py @ 4382:caaba589d9c7
Use patch.patch() when checking for patch availability.
The test is closer to what we want to know. It also makes sense when you deal with patched versions of patch() as most people do under win32.
author | Patrick Mezard <pmezard@gmail.com> |
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date | Sat, 28 Apr 2007 11:53:36 +0200 |
parents | 1043e4b27ab9 |
children | a73cf208b2a0 |
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 | |
30 from mercurial import hg, util | |
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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, abort_on_err=False, eol='\n', |
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35 force=False): |
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36 def error(msg): |
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37 if abort_on_err: |
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38 raise util.Abort(msg) |
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39 else: |
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40 ui.warn(_('warning: %s\n') % msg) |
2364 | 41 |
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42 def remove(remove_func, name): |
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43 if act: |
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44 try: |
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45 remove_func(os.path.join(repo.root, name)) |
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46 except OSError, e: |
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47 error(_('%s cannot be removed') % name) |
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48 else: |
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49 ui.write('%s%s' % (name, eol)) |
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50 |
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51 directories = [] |
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52 files = [] |
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53 missing = [] |
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54 roots, match, anypats = util.cmdmatcher(repo.root, repo.getcwd(), dirs) |
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55 for src, f, st in repo.dirstate.statwalk(files=roots, match=match, |
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56 ignored=True, directories=True): |
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57 if src == 'd': |
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58 directories.append(f) |
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59 elif src == 'm': |
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60 missing.append(f) |
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61 elif src == 'f' and f not in repo.dirstate: |
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62 files.append(f) |
2364 | 63 |
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64 _check_missing(ui, repo, missing, force) |
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65 |
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66 directories.sort() |
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67 |
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68 for f in files: |
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69 if f not in repo.dirstate: |
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70 ui.note(_('Removing file %s\n') % f) |
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71 remove(os.remove, f) |
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72 |
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73 for f in directories[::-1]: |
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74 if not os.listdir(repo.wjoin(f)): |
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75 ui.note(_('Removing directory %s\n') % f) |
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76 remove(os.rmdir, f) |
2364 | 77 |
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78 def _check_missing(ui, repo, missing, force=False): |
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79 """Abort if there is the chance of having problems with name-mangling fs |
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80 |
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81 In a name mangling filesystem (e.g. a case insensitive one) |
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82 dirstate.walk() can yield filenames different from the ones |
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83 stored in the dirstate. This already confuses the status and |
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84 add commands, but with purge this may cause data loss. |
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85 |
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86 To prevent this, _check_missing will abort if there are missing |
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87 files. The force option will let the user skip the check if he |
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88 knows it is safe. |
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89 |
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90 Even with the force option this function will check if any of the |
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91 missing files is still available in the working dir: if so there |
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92 may be some problem with the underlying filesystem, so it |
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93 aborts unconditionally.""" |
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94 |
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95 found = [f for f in missing if util.lexists(repo.wjoin(f))] |
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96 |
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97 if found: |
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98 if not ui.quiet: |
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99 ui.warn(_("The following tracked files weren't listed by the " |
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100 "filesystem, but could still be found:\n")) |
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101 for f in found: |
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102 ui.warn("%s\n" % f) |
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103 if util.checkfolding(repo.path): |
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104 ui.warn(_("This is probably due to a case-insensitive " |
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105 "filesystem\n")) |
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106 raise util.Abort(_("purging on name mangling filesystems is not " |
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107 "yet fully supported")) |
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108 |
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109 if missing and not force: |
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110 raise util.Abort(_("there are missing files in the working dir and " |
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111 "purge still has problems with them due to name " |
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112 "mangling filesystems. " |
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113 "Use --force if you know what you are doing")) |
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114 |
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115 |
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116 def purge(ui, repo, *dirs, **opts): |
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117 '''removes files not tracked by mercurial |
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118 |
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119 Delete files not known to mercurial, this is useful to test local and |
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120 uncommitted changes in the otherwise clean source tree. |
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121 |
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122 This means that purge will delete: |
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123 - Unknown files: files marked with "?" by "hg status" |
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124 - Ignored files: files usually ignored by Mercurial because they match |
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125 a pattern in a ".hgignore" file |
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126 - Empty directories: in fact Mercurial ignores directories unless they |
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127 contain files under source control managment |
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128 But it will leave untouched: |
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129 - Unmodified tracked files |
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130 - Modified tracked files |
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131 - New files added to the repository (with "hg add") |
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133 If directories are given on the command line, only files in these |
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134 directories are considered. |
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136 Be careful with purge, you could irreversibly delete some files you |
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137 forgot to add to the repository. If you only want to print the list of |
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138 files that this program would delete use the --print option. |
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139 ''' |
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140 act = not opts['print'] |
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141 abort_on_err = bool(opts['abort_on_err']) |
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142 eol = opts['print0'] and '\0' or '\n' |
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143 if eol == '\0': |
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144 # --print0 implies --print |
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145 act = False |
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146 force = bool(opts['force']) |
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147 dopurge(ui, repo, dirs, act, abort_on_err, eol, force) |
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149 | |
150 cmdtable = { | |
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151 'purge': |
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152 (purge, |
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153 [('a', 'abort-on-err', None, _('abort if an error occurs')), |
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154 ('f', 'force', None, _('purge even when missing files are detected')), |
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155 ('p', 'print', None, _('print the file names instead of deleting them')), |
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156 ('0', 'print0', None, _('end filenames with NUL, for use with xargs' |
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157 ' (implies -p)'))], |
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158 _('hg purge [OPTION]... [DIR]...')) |
2364 | 159 } |