29 |
29 |
30 from mercurial import hg, util |
30 from mercurial import hg, util |
31 from mercurial.i18n import _ |
31 from mercurial.i18n import _ |
32 import os |
32 import os |
33 |
33 |
34 def dopurge(ui, repo, dirs=None, act=True, abort_on_err=False, eol='\n'): |
34 def dopurge(ui, repo, dirs=None, act=True, abort_on_err=False, eol='\n', |
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35 force=False): |
35 def error(msg): |
36 def error(msg): |
36 if abort_on_err: |
37 if abort_on_err: |
37 raise util.Abort(msg) |
38 raise util.Abort(msg) |
38 else: |
39 else: |
39 ui.warn(_('warning: %s\n') % msg) |
40 ui.warn(_('warning: %s\n') % msg) |
47 else: |
48 else: |
48 ui.write('%s%s' % (name, eol)) |
49 ui.write('%s%s' % (name, eol)) |
49 |
50 |
50 directories = [] |
51 directories = [] |
51 files = [] |
52 files = [] |
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53 missing = [] |
52 roots, match, anypats = util.cmdmatcher(repo.root, repo.getcwd(), dirs) |
54 roots, match, anypats = util.cmdmatcher(repo.root, repo.getcwd(), dirs) |
53 for src, f, st in repo.dirstate.statwalk(files=roots, match=match, |
55 for src, f, st in repo.dirstate.statwalk(files=roots, match=match, |
54 ignored=True, directories=True): |
56 ignored=True, directories=True): |
55 if src == 'd': |
57 if src == 'd': |
56 directories.append(f) |
58 directories.append(f) |
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59 elif src == 'm': |
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60 missing.append(f) |
57 elif src == 'f' and f not in repo.dirstate: |
61 elif src == 'f' and f not in repo.dirstate: |
58 files.append(f) |
62 files.append(f) |
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63 |
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64 _check_missing(ui, repo, missing, force) |
59 |
65 |
60 directories.sort() |
66 directories.sort() |
61 |
67 |
62 for f in files: |
68 for f in files: |
63 if f not in repo.dirstate: |
69 if f not in repo.dirstate: |
66 |
72 |
67 for f in directories[::-1]: |
73 for f in directories[::-1]: |
68 if not os.listdir(repo.wjoin(f)): |
74 if not os.listdir(repo.wjoin(f)): |
69 ui.note(_('Removing directory %s\n') % f) |
75 ui.note(_('Removing directory %s\n') % f) |
70 remove(os.rmdir, f) |
76 remove(os.rmdir, f) |
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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")) |
71 |
114 |
72 |
115 |
73 def purge(ui, repo, *dirs, **opts): |
116 def purge(ui, repo, *dirs, **opts): |
74 '''removes files not tracked by mercurial |
117 '''removes files not tracked by mercurial |
75 |
118 |
98 abort_on_err = bool(opts['abort_on_err']) |
141 abort_on_err = bool(opts['abort_on_err']) |
99 eol = opts['print0'] and '\0' or '\n' |
142 eol = opts['print0'] and '\0' or '\n' |
100 if eol == '\0': |
143 if eol == '\0': |
101 # --print0 implies --print |
144 # --print0 implies --print |
102 act = False |
145 act = False |
103 dopurge(ui, repo, dirs, act, abort_on_err, eol) |
146 force = bool(opts['force']) |
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147 dopurge(ui, repo, dirs, act, abort_on_err, eol, force) |
104 |
148 |
105 |
149 |
106 cmdtable = { |
150 cmdtable = { |
107 'purge': |
151 'purge': |
108 (purge, |
152 (purge, |
109 [('a', 'abort-on-err', None, _('abort if an error occurs')), |
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')), |
110 ('p', 'print', None, _('print the file names instead of deleting them')), |
155 ('p', 'print', None, _('print the file names instead of deleting them')), |
111 ('0', 'print0', None, _('end filenames with NUL, for use with xargs' |
156 ('0', 'print0', None, _('end filenames with NUL, for use with xargs' |
112 ' (implies -p)'))], |
157 ' (implies -p)'))], |
113 _('hg purge [OPTION]... [DIR]...')) |
158 _('hg purge [OPTION]... [DIR]...')) |
114 } |
159 } |