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