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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" | |
1fb32894 | 13 | #include "quote.h" |
113f10f2 | 14 | |
625db1b7 | 15 | static int force = -1; /* unset */ |
113f10f2 SB |
16 | |
17 | static const char *const builtin_clean_usage[] = { | |
1b1dd23f | 18 | "git clean [-d] [-f] [-n] [-q] [-x | -X] [--] <paths>...", |
113f10f2 SB |
19 | NULL |
20 | }; | |
21 | ||
ef90d6d4 | 22 | static int git_clean_config(const char *var, const char *value, void *cb) |
113f10f2 SB |
23 | { |
24 | if (!strcmp(var, "clean.requireforce")) | |
25 | force = !git_config_bool(var, value); | |
ef90d6d4 | 26 | return git_default_config(var, value, cb); |
113f10f2 SB |
27 | } |
28 | ||
29 | int cmd_clean(int argc, const char **argv, const char *prefix) | |
30 | { | |
d871c869 | 31 | int i; |
113f10f2 | 32 | int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0; |
aa9c83c2 | 33 | int ignored_only = 0, baselen = 0, config_set = 0, errors = 0; |
f285a2d7 | 34 | struct strbuf directory = STRBUF_INIT; |
113f10f2 SB |
35 | struct dir_struct dir; |
36 | const char *path, *base; | |
37 | static const char **pathspec; | |
f285a2d7 | 38 | struct strbuf buf = STRBUF_INIT; |
1fb32894 | 39 | const char *qname; |
d871c869 | 40 | char *seen = NULL; |
113f10f2 SB |
41 | struct option options[] = { |
42 | OPT__QUIET(&quiet), | |
43 | OPT__DRY_RUN(&show_only), | |
44 | OPT_BOOLEAN('f', NULL, &force, "force"), | |
45 | OPT_BOOLEAN('d', NULL, &remove_directories, | |
46 | "remove whole directories"), | |
47 | OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"), | |
48 | OPT_BOOLEAN('X', NULL, &ignored_only, | |
49 | "remove only ignored files"), | |
50 | OPT_END() | |
51 | }; | |
52 | ||
ef90d6d4 | 53 | git_config(git_clean_config, NULL); |
625db1b7 JH |
54 | if (force < 0) |
55 | force = 0; | |
56 | else | |
57 | config_set = 1; | |
58 | ||
113f10f2 SB |
59 | argc = parse_options(argc, argv, options, builtin_clean_usage, 0); |
60 | ||
61 | memset(&dir, 0, sizeof(dir)); | |
1617adc7 SB |
62 | if (ignored_only) |
63 | dir.show_ignored = 1; | |
113f10f2 SB |
64 | |
65 | if (ignored && ignored_only) | |
66 | die("-x and -X cannot be used together"); | |
67 | ||
68 | if (!show_only && !force) | |
625db1b7 JH |
69 | die("clean.requireForce%s set and -n or -f not given; " |
70 | "refusing to clean", config_set ? "" : " not"); | |
113f10f2 SB |
71 | |
72 | dir.show_other_directories = 1; | |
73 | ||
1617adc7 SB |
74 | if (!ignored) |
75 | setup_standard_excludes(&dir); | |
113f10f2 SB |
76 | |
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); | |
113f10f2 | 90 | |
d871c869 | 91 | if (pathspec) |
a8db80c2 | 92 | seen = xmalloc(argc > 0 ? argc : 1); |
d871c869 JH |
93 | |
94 | for (i = 0; i < dir.nr; i++) { | |
95 | struct dir_entry *ent = dir.entries[i]; | |
f2d0df71 SB |
96 | int len, pos; |
97 | int matches = 0; | |
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); |
f2d0df71 | 129 | matches = match_pathspec(pathspec, ent->name, len, |
d871c869 | 130 | baselen, seen); |
d871c869 JH |
131 | } |
132 | ||
133 | if (S_ISDIR(st.st_mode)) { | |
113f10f2 | 134 | strbuf_addstr(&directory, ent->name); |
1fb32894 | 135 | qname = quote_path_relative(directory.buf, directory.len, &buf, prefix); |
f2d0df71 SB |
136 | if (show_only && (remove_directories || |
137 | (matches == MATCHED_EXACTLY))) { | |
1fb32894 | 138 | printf("Would remove %s\n", qname); |
f2d0df71 SB |
139 | } else if (remove_directories || |
140 | (matches == MATCHED_EXACTLY)) { | |
aa9c83c2 | 141 | if (!quiet) |
1fb32894 | 142 | printf("Removing %s\n", qname); |
aa9c83c2 | 143 | if (remove_dir_recursively(&directory, 0) != 0) { |
1fb32894 | 144 | warning("failed to remove '%s'", qname); |
aa9c83c2 MV |
145 | errors++; |
146 | } | |
113f10f2 | 147 | } else if (show_only) { |
1fb32894 | 148 | printf("Would not remove %s\n", qname); |
113f10f2 | 149 | } else { |
1fb32894 | 150 | printf("Not removing %s\n", qname); |
113f10f2 SB |
151 | } |
152 | strbuf_reset(&directory); | |
153 | } else { | |
d871c869 JH |
154 | if (pathspec && !matches) |
155 | continue; | |
1fb32894 | 156 | qname = quote_path_relative(ent->name, -1, &buf, prefix); |
113f10f2 | 157 | if (show_only) { |
1fb32894 | 158 | printf("Would remove %s\n", qname); |
113f10f2 SB |
159 | continue; |
160 | } else if (!quiet) { | |
1fb32894 | 161 | printf("Removing %s\n", qname); |
113f10f2 | 162 | } |
aa9c83c2 | 163 | if (unlink(ent->name) != 0) { |
1fb32894 | 164 | warning("failed to remove '%s'", qname); |
aa9c83c2 MV |
165 | errors++; |
166 | } | |
113f10f2 SB |
167 | } |
168 | } | |
d871c869 | 169 | free(seen); |
113f10f2 SB |
170 | |
171 | strbuf_release(&directory); | |
aa9c83c2 | 172 | return (errors != 0); |
113f10f2 | 173 | } |