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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 | #include "string-list.h" | |
14 | #include "quote.h" | |
15 | ||
16 | static int force = -1; /* unset */ | |
17 | ||
18 | static const char *const builtin_clean_usage[] = { | |
19 | "git clean [-d] [-f] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>...", | |
20 | NULL | |
21 | }; | |
22 | ||
23 | static int git_clean_config(const char *var, const char *value, void *cb) | |
24 | { | |
25 | if (!strcmp(var, "clean.requireforce")) | |
26 | force = !git_config_bool(var, value); | |
27 | return git_default_config(var, value, cb); | |
28 | } | |
29 | ||
30 | static int exclude_cb(const struct option *opt, const char *arg, int unset) | |
31 | { | |
32 | struct string_list *exclude_list = opt->value; | |
33 | string_list_append(exclude_list, arg); | |
34 | return 0; | |
35 | } | |
36 | ||
37 | int cmd_clean(int argc, const char **argv, const char *prefix) | |
38 | { | |
39 | int i; | |
40 | int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0; | |
41 | int ignored_only = 0, config_set = 0, errors = 0; | |
42 | int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT; | |
43 | struct strbuf directory = STRBUF_INIT; | |
44 | struct dir_struct dir; | |
45 | static const char **pathspec; | |
46 | struct strbuf buf = STRBUF_INIT; | |
47 | struct string_list exclude_list = STRING_LIST_INIT_NODUP; | |
48 | const char *qname; | |
49 | char *seen = NULL; | |
50 | struct option options[] = { | |
51 | OPT__QUIET(&quiet, "do not print names of files removed"), | |
52 | OPT__DRY_RUN(&show_only, "dry run"), | |
53 | OPT__FORCE(&force, "force"), | |
54 | OPT_BOOLEAN('d', NULL, &remove_directories, | |
55 | "remove whole directories"), | |
56 | { OPTION_CALLBACK, 'e', "exclude", &exclude_list, "pattern", | |
57 | "exclude <pattern>", PARSE_OPT_NONEG, exclude_cb }, | |
58 | OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"), | |
59 | OPT_BOOLEAN('X', NULL, &ignored_only, | |
60 | "remove only ignored files"), | |
61 | OPT_END() | |
62 | }; | |
63 | ||
64 | git_config(git_clean_config, NULL); | |
65 | if (force < 0) | |
66 | force = 0; | |
67 | else | |
68 | config_set = 1; | |
69 | ||
70 | argc = parse_options(argc, argv, prefix, options, builtin_clean_usage, | |
71 | 0); | |
72 | ||
73 | memset(&dir, 0, sizeof(dir)); | |
74 | if (ignored_only) | |
75 | dir.flags |= DIR_SHOW_IGNORED; | |
76 | ||
77 | if (ignored && ignored_only) | |
78 | die("-x and -X cannot be used together"); | |
79 | ||
80 | if (!show_only && !force) | |
81 | die("clean.requireForce %s to true and neither -n nor -f given; " | |
82 | "refusing to clean", config_set ? "set" : "defaults"); | |
83 | ||
84 | if (force > 1) | |
85 | rm_flags = 0; | |
86 | ||
87 | dir.flags |= DIR_SHOW_OTHER_DIRECTORIES; | |
88 | ||
89 | if (read_cache() < 0) | |
90 | die("index file corrupt"); | |
91 | ||
92 | if (!ignored) | |
93 | setup_standard_excludes(&dir); | |
94 | ||
95 | for (i = 0; i < exclude_list.nr; i++) | |
96 | add_exclude(exclude_list.items[i].string, "", 0, dir.exclude_list); | |
97 | ||
98 | pathspec = get_pathspec(prefix, argv); | |
99 | ||
100 | fill_directory(&dir, pathspec); | |
101 | ||
102 | if (pathspec) | |
103 | seen = xmalloc(argc > 0 ? argc : 1); | |
104 | ||
105 | for (i = 0; i < dir.nr; i++) { | |
106 | struct dir_entry *ent = dir.entries[i]; | |
107 | int len, pos; | |
108 | int matches = 0; | |
109 | struct cache_entry *ce; | |
110 | struct stat st; | |
111 | ||
112 | /* | |
113 | * Remove the '/' at the end that directory | |
114 | * walking adds for directory entries. | |
115 | */ | |
116 | len = ent->len; | |
117 | if (len && ent->name[len-1] == '/') | |
118 | len--; | |
119 | pos = cache_name_pos(ent->name, len); | |
120 | if (0 <= pos) | |
121 | continue; /* exact match */ | |
122 | pos = -pos - 1; | |
123 | if (pos < active_nr) { | |
124 | ce = active_cache[pos]; | |
125 | if (ce_namelen(ce) == len && | |
126 | !memcmp(ce->name, ent->name, len)) | |
127 | continue; /* Yup, this one exists unmerged */ | |
128 | } | |
129 | ||
130 | /* | |
131 | * we might have removed this as part of earlier | |
132 | * recursive directory removal, so lstat() here could | |
133 | * fail with ENOENT. | |
134 | */ | |
135 | if (lstat(ent->name, &st)) | |
136 | continue; | |
137 | ||
138 | if (pathspec) { | |
139 | memset(seen, 0, argc > 0 ? argc : 1); | |
140 | matches = match_pathspec(pathspec, ent->name, len, | |
141 | 0, seen); | |
142 | } | |
143 | ||
144 | if (S_ISDIR(st.st_mode)) { | |
145 | strbuf_addstr(&directory, ent->name); | |
146 | qname = quote_path_relative(directory.buf, directory.len, &buf, prefix); | |
147 | if (show_only && (remove_directories || | |
148 | (matches == MATCHED_EXACTLY))) { | |
149 | printf("Would remove %s\n", qname); | |
150 | } else if (remove_directories || | |
151 | (matches == MATCHED_EXACTLY)) { | |
152 | if (!quiet) | |
153 | printf("Removing %s\n", qname); | |
154 | if (remove_dir_recursively(&directory, | |
155 | rm_flags) != 0) { | |
156 | warning("failed to remove %s", qname); | |
157 | errors++; | |
158 | } | |
159 | } else if (show_only) { | |
160 | printf("Would not remove %s\n", qname); | |
161 | } else { | |
162 | printf("Not removing %s\n", qname); | |
163 | } | |
164 | strbuf_reset(&directory); | |
165 | } else { | |
166 | if (pathspec && !matches) | |
167 | continue; | |
168 | qname = quote_path_relative(ent->name, -1, &buf, prefix); | |
169 | if (show_only) { | |
170 | printf("Would remove %s\n", qname); | |
171 | continue; | |
172 | } else if (!quiet) { | |
173 | printf("Removing %s\n", qname); | |
174 | } | |
175 | if (unlink(ent->name) != 0) { | |
176 | warning("failed to remove %s", qname); | |
177 | errors++; | |
178 | } | |
179 | } | |
180 | } | |
181 | free(seen); | |
182 | ||
183 | strbuf_release(&directory); | |
184 | string_list_clear(&exclude_list, 0); | |
185 | return (errors != 0); | |
186 | } |