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113f10f2 SB |
1 | /* |
2 | * "git clean" builtin command | |
3 | * | |
4 | * Copyright (C) 2007 Shawn Bohrer | |
5 | * | |
6 | * Based on git-clean.sh by Pavel Roskin | |
7 | */ | |
8 | ||
9 | #include "builtin.h" | |
10 | #include "cache.h" | |
11 | #include "dir.h" | |
12 | #include "parse-options.h" | |
13 | ||
625db1b7 | 14 | static int force = -1; /* unset */ |
113f10f2 SB |
15 | |
16 | static const char *const builtin_clean_usage[] = { | |
17 | "git-clean [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>...", | |
18 | NULL | |
19 | }; | |
20 | ||
21 | static int git_clean_config(const char *var, const char *value) | |
22 | { | |
23 | if (!strcmp(var, "clean.requireforce")) | |
24 | force = !git_config_bool(var, value); | |
1617adc7 | 25 | return git_default_config(var, value); |
113f10f2 SB |
26 | } |
27 | ||
28 | int cmd_clean(int argc, const char **argv, const char *prefix) | |
29 | { | |
d871c869 | 30 | int i; |
113f10f2 | 31 | int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0; |
aa9c83c2 | 32 | int ignored_only = 0, baselen = 0, config_set = 0, errors = 0; |
113f10f2 SB |
33 | struct strbuf directory; |
34 | struct dir_struct dir; | |
35 | const char *path, *base; | |
36 | static const char **pathspec; | |
95bf4bd4 | 37 | int prefix_offset = 0; |
d871c869 | 38 | char *seen = NULL; |
113f10f2 SB |
39 | struct option options[] = { |
40 | OPT__QUIET(&quiet), | |
41 | OPT__DRY_RUN(&show_only), | |
42 | OPT_BOOLEAN('f', NULL, &force, "force"), | |
43 | OPT_BOOLEAN('d', NULL, &remove_directories, | |
44 | "remove whole directories"), | |
45 | OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"), | |
46 | OPT_BOOLEAN('X', NULL, &ignored_only, | |
47 | "remove only ignored files"), | |
48 | OPT_END() | |
49 | }; | |
50 | ||
51 | git_config(git_clean_config); | |
625db1b7 JH |
52 | if (force < 0) |
53 | force = 0; | |
54 | else | |
55 | config_set = 1; | |
56 | ||
113f10f2 SB |
57 | argc = parse_options(argc, argv, options, builtin_clean_usage, 0); |
58 | ||
59 | memset(&dir, 0, sizeof(dir)); | |
1617adc7 SB |
60 | if (ignored_only) |
61 | dir.show_ignored = 1; | |
113f10f2 SB |
62 | |
63 | if (ignored && ignored_only) | |
64 | die("-x and -X cannot be used together"); | |
65 | ||
66 | if (!show_only && !force) | |
625db1b7 JH |
67 | die("clean.requireForce%s set and -n or -f not given; " |
68 | "refusing to clean", config_set ? "" : " not"); | |
113f10f2 SB |
69 | |
70 | dir.show_other_directories = 1; | |
71 | ||
1617adc7 SB |
72 | if (!ignored) |
73 | setup_standard_excludes(&dir); | |
113f10f2 | 74 | |
95bf4bd4 JH |
75 | if (prefix) |
76 | prefix_offset = strlen(prefix); | |
113f10f2 SB |
77 | pathspec = get_pathspec(prefix, argv); |
78 | read_cache(); | |
79 | ||
80 | /* | |
81 | * Calculate common prefix for the pathspec, and | |
82 | * use that to optimize the directory walk | |
83 | */ | |
84 | baselen = common_prefix(pathspec); | |
85 | path = "."; | |
86 | base = ""; | |
87 | if (baselen) | |
88 | path = base = xmemdupz(*pathspec, baselen); | |
89 | read_directory(&dir, path, base, baselen, pathspec); | |
90 | strbuf_init(&directory, 0); | |
91 | ||
d871c869 | 92 | if (pathspec) |
a8db80c2 | 93 | seen = xmalloc(argc > 0 ? argc : 1); |
d871c869 JH |
94 | |
95 | for (i = 0; i < dir.nr; i++) { | |
96 | struct dir_entry *ent = dir.entries[i]; | |
97 | int len, pos, matches; | |
113f10f2 SB |
98 | struct cache_entry *ce; |
99 | struct stat st; | |
113f10f2 SB |
100 | |
101 | /* | |
102 | * Remove the '/' at the end that directory | |
103 | * walking adds for directory entries. | |
104 | */ | |
105 | len = ent->len; | |
106 | if (len && ent->name[len-1] == '/') | |
107 | len--; | |
108 | pos = cache_name_pos(ent->name, len); | |
109 | if (0 <= pos) | |
110 | continue; /* exact match */ | |
111 | pos = -pos - 1; | |
112 | if (pos < active_nr) { | |
113 | ce = active_cache[pos]; | |
114 | if (ce_namelen(ce) == len && | |
115 | !memcmp(ce->name, ent->name, len)) | |
116 | continue; /* Yup, this one exists unmerged */ | |
117 | } | |
118 | ||
d871c869 JH |
119 | /* |
120 | * we might have removed this as part of earlier | |
121 | * recursive directory removal, so lstat() here could | |
122 | * fail with ENOENT. | |
123 | */ | |
124 | if (lstat(ent->name, &st)) | |
125 | continue; | |
126 | ||
127 | if (pathspec) { | |
a8db80c2 | 128 | memset(seen, 0, argc > 0 ? argc : 1); |
d871c869 JH |
129 | matches = match_pathspec(pathspec, ent->name, ent->len, |
130 | baselen, seen); | |
131 | } else { | |
132 | matches = 0; | |
133 | } | |
134 | ||
135 | if (S_ISDIR(st.st_mode)) { | |
113f10f2 | 136 | strbuf_addstr(&directory, ent->name); |
d871c869 | 137 | if (show_only && (remove_directories || matches)) { |
95bf4bd4 JH |
138 | printf("Would remove %s\n", |
139 | directory.buf + prefix_offset); | |
d871c869 | 140 | } else if (remove_directories || matches) { |
aa9c83c2 MV |
141 | if (!quiet) |
142 | printf("Removing %s\n", | |
143 | directory.buf + prefix_offset); | |
144 | if (remove_dir_recursively(&directory, 0) != 0) { | |
145 | warning("failed to remove '%s'", | |
146 | directory.buf + prefix_offset); | |
147 | errors++; | |
148 | } | |
113f10f2 | 149 | } else if (show_only) { |
95bf4bd4 JH |
150 | printf("Would not remove %s\n", |
151 | directory.buf + prefix_offset); | |
113f10f2 | 152 | } else { |
95bf4bd4 JH |
153 | printf("Not removing %s\n", |
154 | directory.buf + prefix_offset); | |
113f10f2 SB |
155 | } |
156 | strbuf_reset(&directory); | |
157 | } else { | |
d871c869 JH |
158 | if (pathspec && !matches) |
159 | continue; | |
113f10f2 | 160 | if (show_only) { |
95bf4bd4 JH |
161 | printf("Would remove %s\n", |
162 | ent->name + prefix_offset); | |
113f10f2 SB |
163 | continue; |
164 | } else if (!quiet) { | |
95bf4bd4 JH |
165 | printf("Removing %s\n", |
166 | ent->name + prefix_offset); | |
113f10f2 | 167 | } |
aa9c83c2 MV |
168 | if (unlink(ent->name) != 0) { |
169 | warning("failed to remove '%s'", ent->name); | |
170 | errors++; | |
171 | } | |
113f10f2 SB |
172 | } |
173 | } | |
d871c869 | 174 | free(seen); |
113f10f2 SB |
175 | |
176 | strbuf_release(&directory); | |
aa9c83c2 | 177 | return (errors != 0); |
113f10f2 | 178 | } |