Mercurial > public > mercurial-scm > hg
annotate purge.py @ 2377:626779aba9bb
The meaning of the directories on the command line is now explained correctly
| author | Marco Barisione <marco@barisione.org> |
|---|---|
| date | Tue, 16 May 2006 22:36:31 +0200 |
| parents | 52cfb9864257 |
| children | 6e5d40ec862d |
| rev | line source |
|---|---|
| 2364 | 1 #!/usr/bin/env python |
| 2 # | |
| 3 # Copyright (C) 2006 - Marco Barisione <marco@barisione.org> | |
| 4 # | |
| 5 # This is a small extension for Mercurial (http://www.selenic.com/mercurial) | |
| 6 # that removes files not known to mercurial | |
| 7 # | |
| 8 # This program is free software; you can redistribute it and/or modify | |
| 9 # it under the terms of the GNU General Public License as published by | |
| 10 # the Free Software Foundation; either version 2 of the License, or | |
| 11 # (at your option) any later version. | |
| 12 # | |
| 13 # This program is distributed in the hope that it will be useful, | |
| 14 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 # GNU General Public License for more details. | |
| 17 # | |
| 18 # You should have received a copy of the GNU General Public License | |
| 19 # along with this program; if not, write to the Free Software | |
| 20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 21 | |
| 22 from mercurial import hg, util | |
| 23 import os | |
| 24 | |
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25 def _(s): |
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26 return s |
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27 |
| 2364 | 28 class Purge(object): |
| 29 def __init__(self, act=True, abort_on_err=False): | |
| 30 self._repo = None | |
| 31 self._ui = None | |
| 32 self._hg_root = None | |
| 33 self._act = act | |
| 34 self._abort_on_err = abort_on_err | |
| 35 | |
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36 def purge(self, ui, repo, dirs=None): |
| 2364 | 37 self._repo = repo |
| 38 self._ui = ui | |
| 39 self._hg_root = self._split_path(repo.root) | |
| 40 | |
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41 if not dirs: |
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42 dirs = [repo.root] |
| 2364 | 43 |
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44 for path in dirs: |
| 2364 | 45 path = os.path.abspath(path) |
| 46 for root, dirs, files in os.walk(path, topdown=False): | |
| 47 if '.hg' in self._split_path(root): | |
| 48 # Skip files in the .hg directory. | |
| 49 # Note that if the repository is in a directory | |
| 50 # called .hg this command does not work. | |
| 51 continue | |
| 52 for name in files: | |
| 53 self._remove_file(os.path.join(root, name)) | |
| 54 if not os.listdir(root): | |
| 55 # Remove this directory if it is empty. | |
| 56 self._remove_dir(root) | |
| 57 | |
| 58 self._repo = None | |
| 59 self._ui = None | |
| 60 self._hg_root = None | |
| 61 | |
| 62 def _error(self, msg): | |
| 63 if self._abort_on_err: | |
| 64 raise util.Abort(msg) | |
| 65 else: | |
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66 self._ui.warn(_('warning: %s\n') % msg) |
| 2364 | 67 |
| 68 def _remove_file(self, name): | |
| 69 relative_name = self._relative_name(name) | |
| 70 # dirstate.state() requires a path relative to the root | |
| 71 # directory. | |
| 72 if self._repo.dirstate.state(relative_name) != '?': | |
| 73 return | |
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74 self._ui.note(name + '\n') |
| 2364 | 75 if self._act: |
| 76 try: | |
| 77 os.remove(name) | |
| 78 except OSError, e: | |
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79 self._error(_('%s cannot be removed') % name) |
| 2364 | 80 |
| 81 def _remove_dir(self, name): | |
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82 self._ui.note(name + '\n') |
| 2364 | 83 if self._act: |
| 84 try: | |
| 85 os.rmdir(name) | |
| 86 except OSError, e: | |
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87 self._error(_('%s cannot be removed') % name) |
| 2364 | 88 |
| 2375 | 89 def _relative_name(self, path): |
| 90 ''' | |
| 91 Returns "path" but relative to the root directory of the | |
| 92 repository and with '\\' replaced with '/'. | |
| 93 This is needed because this is the format required by | |
| 94 self._repo.dirstate.state(). | |
| 95 ''' | |
| 96 splitted_path = self._split_path(path)[len(self._hg_root):] | |
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97 # Even on Windows self._repo.dirstate.state() wants '/'. |
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98 return self._join_path(splitted_path).replace('\\', '/') |
| 2364 | 99 |
| 100 def _split_path(self, path): | |
| 2375 | 101 ''' |
| 102 Retruns a list of the single files/directories in "path". | |
| 103 For instance: | |
| 104 '/home/user/test' -> ['/', 'home', 'user', 'test'] | |
| 105 'C:\\Mercurial' -> ['C:\\', 'Mercurial'] | |
| 106 ''' | |
| 2364 | 107 ret = [] |
| 108 while True: | |
| 109 head, tail = os.path.split(path) | |
| 110 if tail: | |
| 111 ret.append(tail) | |
| 112 if head == path: | |
| 113 ret.append(head) | |
| 114 break | |
| 115 path = head | |
| 116 ret.reverse() | |
| 117 return ret | |
| 118 | |
| 119 def _join_path(self, splitted_path): | |
| 2375 | 120 ''' |
| 121 Joins a list returned by _split_path(). | |
| 122 ''' | |
| 2364 | 123 ret = '' |
| 124 for part in splitted_path: | |
| 125 if ret: | |
| 126 ret = os.path.join(ret, part) | |
| 127 else: | |
| 128 ret = part | |
| 129 return ret | |
| 130 | |
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131 |
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132 def purge(ui, repo, *dirs, **opts): |
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133 '''removes files not tracked by mercurial |
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134 |
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135 Delete files not known to mercurial, this is useful to test local and |
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136 uncommitted changes in the otherwise clean source tree. |
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137 |
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138 This means that purge will delete: |
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139 - Unknown files: files marked with "?" by "hg status" |
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140 - Ignored files: files usually ignored by Mercurial because they match |
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141 a pattern in a ".hgignore" file |
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142 - Empty directories: infact Mercurial ignores directories unless they |
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143 contain files under source control managment |
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144 But it will leave untouched: |
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145 - Unmodified tracked files |
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146 - Modified tracked files |
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147 - New files added to the repository (with "hg add") |
| 2364 | 148 |
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The meaning of the directories on the command line is now explained correctly
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149 If directories are given on the command line, only files in these |
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150 directories are considered. |
| 2364 | 151 |
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152 Be careful with purge, you could irreversibly delete some files you |
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153 forgot to add to the repository. If you only want to print the list of |
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154 files that this program would delete use the -vn options. |
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155 ''' |
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156 act = not opts['nothing'] |
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157 abort_on_err = bool(opts['abort_on_err']) |
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158 p = Purge(act, abort_on_err) |
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The meaning of the directories on the command line is now explained correctly
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parents:
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159 p.purge(ui, repo, dirs) |
| 2364 | 160 |
| 161 | |
| 162 cmdtable = { | |
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163 'purge': (purge, |
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164 [('a', 'abort-on-err', None, _('abort if an error occurs')), |
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165 ('n', 'nothing', None, _('do nothing on files, useful with --verbose')), |
| 2364 | 166 ], |
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167 _('hg purge [OPTIONS] [DIR]')) |
| 2364 | 168 } |