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1 | 1 | # Copyright (C) 2006 - Marco Barisione <marco@barisione.org> |
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2 | 2 | # |
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3 | 3 | # This is a small extension for Mercurial (http://www.selenic.com/mercurial) |
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4 | 4 | # that removes files not known to mercurial |
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5 | 5 | # |
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6 | 6 | # This program is free software; you can redistribute it and/or modify |
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7 | 7 | # it under the terms of the GNU General Public License as published by |
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8 | 8 | # the Free Software Foundation; either version 2 of the License, or |
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9 | 9 | # (at your option) any later version. |
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10 | 10 | # |
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11 | 11 | # This program is distributed in the hope that it will be useful, |
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12 | 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | 14 | # GNU General Public License for more details. |
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15 | 15 | # |
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16 | 16 | # You should have received a copy of the GNU General Public License |
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17 | 17 | # along with this program; if not, write to the Free Software |
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18 | 18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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19 | 19 | |
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20 | 20 | from mercurial import hg, util |
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21 | 21 | from mercurial.i18n import _ |
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22 | 22 | import os |
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23 | 23 | |
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24 | 24 | class Purge(object): |
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25 | 25 | def __init__(self, act=True, abort_on_err=False, eol='\n'): |
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26 | 26 | self._repo = None |
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27 | 27 | self._ui = None |
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28 | 28 | self._hg_root = None |
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29 | 29 | self._act = act |
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30 | 30 | self._abort_on_err = abort_on_err |
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31 | 31 | self._eol = eol |
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32 | 32 | |
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33 | 33 | def purge(self, ui, repo, dirs=None): |
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34 | 34 | self._repo = repo |
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35 | 35 | self._ui = ui |
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36 | 36 | self._hg_root = self._split_path(repo.root) |
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37 | ||
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38 | if not dirs: | |
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39 |
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37 | ||
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38 | directories = [] | |
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39 | files = [] | |
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40 | for src, f, st in repo.dirstate.statwalk(files=dirs, ignored=True, | |
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41 | directories=True): | |
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42 | if src == 'd': | |
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43 | directories.append(f) | |
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44 | elif src == 'f' and f not in repo.dirstate: | |
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45 | files.append(f) | |
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40 | 46 | |
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41 | for path in dirs: | |
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42 | path = os.path.abspath(path) | |
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43 | for root, dirs, files in os.walk(path, topdown=False): | |
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44 | if '.hg' in self._split_path(root): | |
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45 | # Skip files in the .hg directory. | |
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46 | # Note that if the repository is in a directory | |
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47 | # called .hg this command does not work. | |
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48 | continue | |
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49 | for name in files: | |
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50 | self._remove_file(os.path.join(root, name)) | |
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51 | if not os.listdir(root): | |
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52 | # Remove this directory if it is empty. | |
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53 | self._remove_dir(root) | |
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47 | directories.sort() | |
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48 | ||
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49 | for f in files: | |
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50 | self._remove_file(os.path.join(repo.root, f)) | |
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51 | ||
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52 | for f in directories[::-1]: | |
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53 | f = os.path.join(repo.root, f) | |
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54 | if not os.listdir(f): | |
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55 | self._remove_dir(f) | |
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54 | 56 | |
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55 | 57 | self._repo = None |
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56 | 58 | self._ui = None |
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57 | 59 | self._hg_root = None |
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58 | 60 | |
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59 | 61 | def _error(self, msg): |
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60 | 62 | if self._abort_on_err: |
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61 | 63 | raise util.Abort(msg) |
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62 | 64 | else: |
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63 | 65 | self._ui.warn(_('warning: %s\n') % msg) |
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64 | 66 | |
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65 | 67 | def _remove_file(self, name): |
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66 | 68 | relative_name = self._relative_name(name) |
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67 | 69 | # dirstate.state() requires a path relative to the root |
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68 | 70 | # directory. |
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69 | 71 | if self._repo.dirstate.state(relative_name) != '?': |
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70 | 72 | return |
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71 | 73 | self._ui.note(_('Removing file %s\n') % relative_name) |
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72 | 74 | if self._act: |
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73 | 75 | try: |
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74 | 76 | os.remove(name) |
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75 | 77 | except OSError, e: |
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76 | 78 | self._error(_('%s cannot be removed') % relative_name) |
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77 | 79 | else: |
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78 | 80 | self._ui.write('%s%s' % (relative_name, self._eol)) |
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79 | 81 | |
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80 | 82 | def _remove_dir(self, name): |
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81 | 83 | relative_name = self._relative_name(name) |
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82 | 84 | self._ui.note(_('Removing directory %s\n') % relative_name) |
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83 | 85 | if self._act: |
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84 | 86 | try: |
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85 | 87 | os.rmdir(name) |
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86 | 88 | except OSError, e: |
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87 | 89 | self._error(_('%s cannot be removed') % relative_name) |
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88 | 90 | else: |
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89 | 91 | self._ui.write('%s%s' % (relative_name, self._eol)) |
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90 | 92 | |
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91 | 93 | def _relative_name(self, path): |
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92 | 94 | ''' |
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93 | 95 | Returns "path" but relative to the root directory of the |
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94 | 96 | repository and with '\\' replaced with '/'. |
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95 | 97 | This is needed because this is the format required by |
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96 | 98 | self._repo.dirstate.state(). |
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97 | 99 | ''' |
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98 | 100 | splitted_path = self._split_path(path)[len(self._hg_root):] |
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99 | 101 | # Even on Windows self._repo.dirstate.state() wants '/'. |
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100 | 102 | return self._join_path(splitted_path).replace('\\', '/') |
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101 | 103 | |
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102 | 104 | def _split_path(self, path): |
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103 | 105 | ''' |
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104 | 106 | Returns a list of the single files/directories in "path". |
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105 | 107 | For instance: |
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106 | 108 | '/home/user/test' -> ['/', 'home', 'user', 'test'] |
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107 | 109 | 'C:\\Mercurial' -> ['C:\\', 'Mercurial'] |
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108 | 110 | ''' |
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109 | 111 | ret = [] |
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110 | 112 | while True: |
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111 | 113 | head, tail = os.path.split(path) |
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112 | 114 | if tail: |
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113 | 115 | ret.append(tail) |
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114 | 116 | if head == path: |
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115 | 117 | ret.append(head) |
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116 | 118 | break |
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117 | 119 | path = head |
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118 | 120 | ret.reverse() |
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119 | 121 | return ret |
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120 | 122 | |
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121 | 123 | def _join_path(self, splitted_path): |
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122 | 124 | ''' |
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123 | 125 | Joins a list returned by _split_path(). |
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124 | 126 | ''' |
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125 | 127 | ret = '' |
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126 | 128 | for part in splitted_path: |
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127 | 129 | if ret: |
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128 | 130 | ret = os.path.join(ret, part) |
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129 | 131 | else: |
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130 | 132 | ret = part |
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131 | 133 | return ret |
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132 | 134 | |
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133 | 135 | |
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134 | 136 | def purge(ui, repo, *dirs, **opts): |
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135 | 137 | '''removes files not tracked by mercurial |
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136 | 138 | |
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137 | 139 | Delete files not known to mercurial, this is useful to test local and |
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138 | 140 | uncommitted changes in the otherwise clean source tree. |
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139 | 141 | |
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140 | 142 | This means that purge will delete: |
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141 | 143 | - Unknown files: files marked with "?" by "hg status" |
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142 | 144 | - Ignored files: files usually ignored by Mercurial because they match |
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143 | 145 | a pattern in a ".hgignore" file |
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144 | 146 | - Empty directories: in fact Mercurial ignores directories unless they |
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145 | 147 | contain files under source control managment |
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146 | 148 | But it will leave untouched: |
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147 | 149 | - Unmodified tracked files |
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148 | 150 | - Modified tracked files |
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149 | 151 | - New files added to the repository (with "hg add") |
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150 | 152 | |
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151 | 153 | If directories are given on the command line, only files in these |
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152 | 154 | directories are considered. |
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153 | 155 | |
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154 | 156 | Be careful with purge, you could irreversibly delete some files you |
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155 | 157 | forgot to add to the repository. If you only want to print the list of |
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156 | 158 | files that this program would delete use the --print option. |
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157 | 159 | ''' |
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158 | 160 | act = not opts['print'] |
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159 | 161 | abort_on_err = bool(opts['abort_on_err']) |
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160 | 162 | eol = opts['print0'] and '\0' or '\n' |
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161 | 163 | if eol == '\0': |
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162 | 164 | # --print0 implies --print |
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163 | 165 | act = False |
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164 | 166 | p = Purge(act, abort_on_err, eol) |
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165 | 167 | p.purge(ui, repo, dirs) |
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166 | 168 | |
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167 | 169 | |
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168 | 170 | cmdtable = { |
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169 | 171 | 'purge': |
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170 | 172 | (purge, |
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171 | 173 | [('a', 'abort-on-err', None, _('abort if an error occurs')), |
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172 | 174 | ('p', 'print', None, _('print the file names instead of deleting them')), |
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173 | 175 | ('0', 'print0', None, _('end filenames with NUL, for use with xargs' |
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174 | 176 | ' (implies -p)'))], |
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175 | 177 | _('hg purge [OPTION]... [DIR]...')) |
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176 | 178 | } |
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