Mercurial > hg > mercurial-crew-with-dirclash
annotate contrib/purge/purge.py @ 2982:799811087044
merge.
author | Vadim Gelfer <vadim.gelfer@gmail.com> |
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date | Tue, 22 Aug 2006 07:55:10 -0700 |
parents | dbeaa4369121 |
children | 05c703c281ff |
rev | line source |
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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): |
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29 def __init__(self, act=True, abort_on_err=False, eol='\n'): |
2364 | 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 | |
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35 self._eol = eol |
2364 | 36 |
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37 def purge(self, ui, repo, dirs=None): |
2364 | 38 self._repo = repo |
39 self._ui = ui | |
40 self._hg_root = self._split_path(repo.root) | |
41 | |
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42 if not dirs: |
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43 dirs = [repo.root] |
2364 | 44 |
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45 for path in dirs: |
2364 | 46 path = os.path.abspath(path) |
47 for root, dirs, files in os.walk(path, topdown=False): | |
48 if '.hg' in self._split_path(root): | |
49 # Skip files in the .hg directory. | |
50 # Note that if the repository is in a directory | |
51 # called .hg this command does not work. | |
52 continue | |
53 for name in files: | |
54 self._remove_file(os.path.join(root, name)) | |
55 if not os.listdir(root): | |
56 # Remove this directory if it is empty. | |
57 self._remove_dir(root) | |
58 | |
59 self._repo = None | |
60 self._ui = None | |
61 self._hg_root = None | |
62 | |
63 def _error(self, msg): | |
64 if self._abort_on_err: | |
65 raise util.Abort(msg) | |
66 else: | |
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67 self._ui.warn(_('warning: %s\n') % msg) |
2364 | 68 |
69 def _remove_file(self, name): | |
70 relative_name = self._relative_name(name) | |
71 # dirstate.state() requires a path relative to the root | |
72 # directory. | |
73 if self._repo.dirstate.state(relative_name) != '?': | |
74 return | |
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75 self._ui.note(_('Removing file %s\n') % name) |
2364 | 76 if self._act: |
77 try: | |
78 os.remove(name) | |
79 except OSError, e: | |
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80 self._error(_('%s cannot be removed') % name) |
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81 else: |
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82 self._ui.write('%s%s' % (name, self._eol)) |
2364 | 83 |
84 def _remove_dir(self, name): | |
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85 self._ui.note(_('Removing directory %s\n') % name) |
2364 | 86 if self._act: |
87 try: | |
88 os.rmdir(name) | |
89 except OSError, e: | |
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90 self._error(_('%s cannot be removed') % name) |
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91 else: |
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92 self._ui.write('%s%s' % (name, self._eol)) |
2364 | 93 |
2375 | 94 def _relative_name(self, path): |
95 ''' | |
96 Returns "path" but relative to the root directory of the | |
97 repository and with '\\' replaced with '/'. | |
98 This is needed because this is the format required by | |
99 self._repo.dirstate.state(). | |
100 ''' | |
101 splitted_path = self._split_path(path)[len(self._hg_root):] | |
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102 # Even on Windows self._repo.dirstate.state() wants '/'. |
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103 return self._join_path(splitted_path).replace('\\', '/') |
2364 | 104 |
105 def _split_path(self, path): | |
2375 | 106 ''' |
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107 Returns a list of the single files/directories in "path". |
2375 | 108 For instance: |
109 '/home/user/test' -> ['/', 'home', 'user', 'test'] | |
110 'C:\\Mercurial' -> ['C:\\', 'Mercurial'] | |
111 ''' | |
2364 | 112 ret = [] |
113 while True: | |
114 head, tail = os.path.split(path) | |
115 if tail: | |
116 ret.append(tail) | |
117 if head == path: | |
118 ret.append(head) | |
119 break | |
120 path = head | |
121 ret.reverse() | |
122 return ret | |
123 | |
124 def _join_path(self, splitted_path): | |
2375 | 125 ''' |
126 Joins a list returned by _split_path(). | |
127 ''' | |
2364 | 128 ret = '' |
129 for part in splitted_path: | |
130 if ret: | |
131 ret = os.path.join(ret, part) | |
132 else: | |
133 ret = part | |
134 return ret | |
135 | |
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136 |
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137 def purge(ui, repo, *dirs, **opts): |
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138 '''removes files not tracked by mercurial |
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139 |
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140 Delete files not known to mercurial, this is useful to test local and |
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141 uncommitted changes in the otherwise clean source tree. |
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142 |
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143 This means that purge will delete: |
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144 - Unknown files: files marked with "?" by "hg status" |
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145 - Ignored files: files usually ignored by Mercurial because they match |
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146 a pattern in a ".hgignore" file |
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147 - Empty directories: in fact Mercurial ignores directories unless they |
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148 contain files under source control managment |
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149 But it will leave untouched: |
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150 - Unmodified tracked files |
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151 - Modified tracked files |
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152 - New files added to the repository (with "hg add") |
2364 | 153 |
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154 If directories are given on the command line, only files in these |
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155 directories are considered. |
2364 | 156 |
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157 Be careful with purge, you could irreversibly delete some files you |
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158 forgot to add to the repository. If you only want to print the list of |
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159 files that this program would delete use the --print option. |
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160 ''' |
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161 act = not opts['print'] |
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162 abort_on_err = bool(opts['abort_on_err']) |
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163 eol = opts['print0'] and '\0' or '\n' |
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164 if eol == '\0': |
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165 # --print0 implies --print |
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166 act = False |
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167 p = Purge(act, abort_on_err, eol) |
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168 p.purge(ui, repo, dirs) |
2364 | 169 |
170 | |
171 cmdtable = { | |
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172 'purge': |
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173 (purge, |
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174 [('a', 'abort-on-err', None, _('abort if an error occurs')), |
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175 ('p', 'print', None, _('print the file names instead of deleting them')), |
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176 ('0', 'print0', None, _('end filenames with NUL, for use with xargs' |
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177 ' (implies -p)'))], |
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178 _('hg purge [OPTION]... [DIR]...')) |
2364 | 179 } |