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Commit | Line | Data |
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8695c8bf LT |
1 | /* |
2 | * This merges the file listing in the directory cache index | |
3 | * with the actual working directory list, and shows different | |
4 | * combinations of the two. | |
5 | * | |
6 | * Copyright (C) Linus Torvalds, 2005 | |
7 | */ | |
8 | #include <dirent.h> | |
9ff768e9 | 9 | #include <fnmatch.h> |
8695c8bf LT |
10 | |
11 | #include "cache.h" | |
12 | ||
13 | static int show_deleted = 0; | |
14 | static int show_cached = 0; | |
15 | static int show_others = 0; | |
16 | static int show_ignored = 0; | |
aee46198 | 17 | static int show_stage = 0; |
eec8c633 | 18 | static int show_unmerged = 0; |
6ca45943 | 19 | static int show_killed = 0; |
b83c8345 | 20 | static int line_terminator = '\n'; |
8695c8bf | 21 | |
20d37ef6 PB |
22 | static const char *tag_cached = ""; |
23 | static const char *tag_unmerged = ""; | |
24 | static const char *tag_removed = ""; | |
25 | static const char *tag_other = ""; | |
6ca45943 | 26 | static const char *tag_killed = ""; |
20d37ef6 | 27 | |
9ff768e9 NP |
28 | static int nr_excludes; |
29 | static const char **excludes; | |
30 | static int excludes_alloc; | |
31 | ||
32 | static void add_exclude(const char *string) | |
33 | { | |
34 | if (nr_excludes == excludes_alloc) { | |
35 | excludes_alloc = alloc_nr(excludes_alloc); | |
36 | excludes = realloc(excludes, excludes_alloc*sizeof(char *)); | |
37 | } | |
38 | excludes[nr_excludes++] = string; | |
39 | } | |
40 | ||
41 | static void add_excludes_from_file(const char *fname) | |
42 | { | |
43 | int fd, i; | |
44 | long size; | |
45 | char *buf, *entry; | |
46 | ||
47 | fd = open(fname, O_RDONLY); | |
48 | if (fd < 0) | |
49 | goto err; | |
50 | size = lseek(fd, 0, SEEK_END); | |
51 | if (size < 0) | |
52 | goto err; | |
53 | lseek(fd, 0, SEEK_SET); | |
54 | if (size == 0) { | |
55 | close(fd); | |
56 | return; | |
57 | } | |
58 | buf = xmalloc(size); | |
59 | if (read(fd, buf, size) != size) | |
60 | goto err; | |
61 | close(fd); | |
62 | ||
63 | entry = buf; | |
64 | for (i = 0; i < size; i++) { | |
65 | if (buf[i] == '\n') { | |
66 | if (entry != buf + i) { | |
67 | buf[i] = 0; | |
68 | add_exclude(entry); | |
69 | } | |
70 | entry = buf + i + 1; | |
71 | } | |
72 | } | |
73 | return; | |
74 | ||
75 | err: perror(fname); | |
76 | exit(1); | |
77 | } | |
78 | ||
79 | static int excluded(const char *pathname) | |
80 | { | |
81 | int i; | |
82 | if (nr_excludes) { | |
83 | const char *basename = strrchr(pathname, '/'); | |
84 | basename = (basename) ? basename+1 : pathname; | |
85 | for (i = 0; i < nr_excludes; i++) | |
86 | if (fnmatch(excludes[i], basename, 0) == 0) | |
87 | return 1; | |
88 | } | |
89 | return 0; | |
90 | } | |
91 | ||
6ca45943 JH |
92 | struct nond_on_fs { |
93 | int len; | |
94 | char name[0]; | |
95 | }; | |
96 | ||
97 | static struct nond_on_fs **dir; | |
8695c8bf LT |
98 | static int nr_dir; |
99 | static int dir_alloc; | |
100 | ||
101 | static void add_name(const char *pathname, int len) | |
102 | { | |
6ca45943 | 103 | struct nond_on_fs *ent; |
8695c8bf LT |
104 | |
105 | if (cache_name_pos(pathname, len) >= 0) | |
106 | return; | |
107 | ||
108 | if (nr_dir == dir_alloc) { | |
109 | dir_alloc = alloc_nr(dir_alloc); | |
6ca45943 | 110 | dir = xrealloc(dir, dir_alloc*sizeof(ent)); |
8695c8bf | 111 | } |
6ca45943 JH |
112 | ent = xmalloc(sizeof(*ent) + len + 1); |
113 | ent->len = len; | |
114 | memcpy(ent->name, pathname, len); | |
115 | dir[nr_dir++] = ent; | |
8695c8bf LT |
116 | } |
117 | ||
118 | /* | |
119 | * Read a directory tree. We currently ignore anything but | |
a15c1c60 JH |
120 | * directories, regular files and symlinks. That's because git |
121 | * doesn't handle them at all yet. Maybe that will change some | |
122 | * day. | |
8695c8bf LT |
123 | * |
124 | * Also, we currently ignore all names starting with a dot. | |
aebb2679 | 125 | * That likely will not change. |
8695c8bf LT |
126 | */ |
127 | static void read_directory(const char *path, const char *base, int baselen) | |
128 | { | |
129 | DIR *dir = opendir(path); | |
130 | ||
131 | if (dir) { | |
132 | struct dirent *de; | |
133 | char fullname[MAXPATHLEN + 1]; | |
134 | memcpy(fullname, base, baselen); | |
135 | ||
136 | while ((de = readdir(dir)) != NULL) { | |
137 | int len; | |
138 | ||
c4ee2952 JH |
139 | if ((de->d_name[0] == '.') && |
140 | (de->d_name[1] == 0 || | |
141 | !strcmp(de->d_name + 1, ".") || | |
142 | !strcmp(de->d_name + 1, "git"))) | |
8695c8bf | 143 | continue; |
9ff768e9 NP |
144 | if (excluded(de->d_name) != show_ignored) |
145 | continue; | |
8695c8bf LT |
146 | len = strlen(de->d_name); |
147 | memcpy(fullname + baselen, de->d_name, len+1); | |
148 | ||
b6829693 | 149 | switch (DTYPE(de)) { |
8695c8bf LT |
150 | struct stat st; |
151 | default: | |
152 | continue; | |
153 | case DT_UNKNOWN: | |
154 | if (lstat(fullname, &st)) | |
155 | continue; | |
a15c1c60 | 156 | if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) |
8695c8bf LT |
157 | break; |
158 | if (!S_ISDIR(st.st_mode)) | |
159 | continue; | |
160 | /* fallthrough */ | |
161 | case DT_DIR: | |
162 | memcpy(fullname + baselen + len, "/", 2); | |
20d37ef6 PB |
163 | read_directory(fullname, fullname, |
164 | baselen + len + 1); | |
8695c8bf LT |
165 | continue; |
166 | case DT_REG: | |
a15c1c60 | 167 | case DT_LNK: |
8695c8bf LT |
168 | break; |
169 | } | |
170 | add_name(fullname, baselen + len); | |
171 | } | |
172 | closedir(dir); | |
173 | } | |
174 | } | |
175 | ||
176 | static int cmp_name(const void *p1, const void *p2) | |
177 | { | |
6ca45943 JH |
178 | const struct nond_on_fs *e1 = *(const struct nond_on_fs **)p1; |
179 | const struct nond_on_fs *e2 = *(const struct nond_on_fs **)p2; | |
180 | ||
181 | return cache_name_compare(e1->name, e1->len, | |
182 | e2->name, e2->len); | |
183 | } | |
8695c8bf | 184 | |
e99d59ff | 185 | static void show_killed_files(void) |
6ca45943 JH |
186 | { |
187 | int i; | |
188 | for (i = 0; i < nr_dir; i++) { | |
189 | struct nond_on_fs *ent = dir[i]; | |
190 | char *cp, *sp; | |
191 | int pos, len, killed = 0; | |
192 | ||
193 | for (cp = ent->name; cp - ent->name < ent->len; cp = sp + 1) { | |
194 | sp = strchr(cp, '/'); | |
195 | if (!sp) { | |
196 | /* If ent->name is prefix of an entry in the | |
197 | * cache, it will be killed. | |
198 | */ | |
199 | pos = cache_name_pos(ent->name, ent->len); | |
200 | if (0 <= pos) | |
201 | die("bug in show-killed-files"); | |
202 | pos = -pos - 1; | |
203 | while (pos < active_nr && | |
204 | ce_stage(active_cache[pos])) | |
205 | pos++; /* skip unmerged */ | |
206 | if (active_nr <= pos) | |
207 | break; | |
208 | /* pos points at a name immediately after | |
209 | * ent->name in the cache. Does it expect | |
210 | * ent->name to be a directory? | |
211 | */ | |
212 | len = ce_namelen(active_cache[pos]); | |
213 | if ((ent->len < len) && | |
214 | !strncmp(active_cache[pos]->name, | |
215 | ent->name, ent->len) && | |
216 | active_cache[pos]->name[ent->len] == '/') | |
217 | killed = 1; | |
218 | break; | |
219 | } | |
220 | if (0 <= cache_name_pos(ent->name, sp - ent->name)) { | |
221 | /* If any of the leading directories in | |
222 | * ent->name is registered in the cache, | |
223 | * ent->name will be killed. | |
224 | */ | |
225 | killed = 1; | |
226 | break; | |
227 | } | |
228 | } | |
229 | if (killed) | |
230 | printf("%s%.*s%c", tag_killed, | |
231 | dir[i]->len, dir[i]->name, | |
232 | line_terminator); | |
233 | } | |
8695c8bf LT |
234 | } |
235 | ||
236 | static void show_files(void) | |
237 | { | |
238 | int i; | |
239 | ||
240 | /* For cached/deleted files we don't need to even do the readdir */ | |
6ca45943 | 241 | if (show_others || show_killed) { |
8695c8bf | 242 | read_directory(".", "", 0); |
6ca45943 JH |
243 | qsort(dir, nr_dir, sizeof(struct nond_on_fs *), cmp_name); |
244 | if (show_others) | |
245 | for (i = 0; i < nr_dir; i++) | |
246 | printf("%s%.*s%c", tag_other, | |
247 | dir[i]->len, dir[i]->name, | |
248 | line_terminator); | |
249 | if (show_killed) | |
250 | show_killed_files(); | |
8695c8bf | 251 | } |
aee46198 | 252 | if (show_cached | show_stage) { |
8695c8bf LT |
253 | for (i = 0; i < active_nr; i++) { |
254 | struct cache_entry *ce = active_cache[i]; | |
9ff768e9 NP |
255 | if (excluded(ce->name) != show_ignored) |
256 | continue; | |
eec8c633 LT |
257 | if (show_unmerged && !ce_stage(ce)) |
258 | continue; | |
aee46198 | 259 | if (!show_stage) |
20d37ef6 PB |
260 | printf("%s%s%c", |
261 | ce_stage(ce) ? tag_unmerged : | |
262 | tag_cached, | |
263 | ce->name, line_terminator); | |
aee46198 | 264 | else |
2eab945e | 265 | printf("%s%06o %s %d\t%s%c", |
20d37ef6 PB |
266 | ce_stage(ce) ? tag_unmerged : |
267 | tag_cached, | |
aee46198 JH |
268 | ntohl(ce->ce_mode), |
269 | sha1_to_hex(ce->sha1), | |
270 | ce_stage(ce), | |
aee46198 | 271 | ce->name, line_terminator); |
8695c8bf LT |
272 | } |
273 | } | |
274 | if (show_deleted) { | |
275 | for (i = 0; i < active_nr; i++) { | |
276 | struct cache_entry *ce = active_cache[i]; | |
277 | struct stat st; | |
9ff768e9 NP |
278 | if (excluded(ce->name) != show_ignored) |
279 | continue; | |
8ae0a8c5 | 280 | if (!lstat(ce->name, &st)) |
8695c8bf | 281 | continue; |
20d37ef6 PB |
282 | printf("%s%s%c", tag_removed, ce->name, |
283 | line_terminator); | |
8695c8bf LT |
284 | } |
285 | } | |
8695c8bf LT |
286 | } |
287 | ||
17710391 | 288 | static const char *ls_files_usage = |
667bb59b | 289 | "git-ls-files [-z] [-t] (--[cached|deleted|others|stage|unmerged|killed])* " |
cf9a113d NP |
290 | "[ --ignored [--exclude=<pattern>] [--exclude-from=<file>) ]"; |
291 | ||
8695c8bf LT |
292 | int main(int argc, char **argv) |
293 | { | |
294 | int i; | |
295 | ||
296 | for (i = 1; i < argc; i++) { | |
297 | char *arg = argv[i]; | |
298 | ||
b83c8345 JH |
299 | if (!strcmp(arg, "-z")) { |
300 | line_terminator = 0; | |
20d37ef6 PB |
301 | } else if (!strcmp(arg, "-t")) { |
302 | tag_cached = "H "; | |
303 | tag_unmerged = "M "; | |
304 | tag_removed = "R "; | |
305 | tag_other = "? "; | |
6ca45943 | 306 | tag_killed = "K "; |
cf9a113d | 307 | } else if (!strcmp(arg, "-c") || !strcmp(arg, "--cached")) { |
8695c8bf | 308 | show_cached = 1; |
cf9a113d | 309 | } else if (!strcmp(arg, "-d") || !strcmp(arg, "--deleted")) { |
8695c8bf | 310 | show_deleted = 1; |
cf9a113d | 311 | } else if (!strcmp(arg, "-o") || !strcmp(arg, "--others")) { |
8695c8bf | 312 | show_others = 1; |
cf9a113d | 313 | } else if (!strcmp(arg, "-i") || !strcmp(arg, "--ignored")) { |
8695c8bf | 314 | show_ignored = 1; |
cf9a113d | 315 | } else if (!strcmp(arg, "-s") || !strcmp(arg, "--stage")) { |
aee46198 | 316 | show_stage = 1; |
6ca45943 JH |
317 | } else if (!strcmp(arg, "-k") || !strcmp(arg, "--killed")) { |
318 | show_killed = 1; | |
cf9a113d | 319 | } else if (!strcmp(arg, "-u") || !strcmp(arg, "--unmerged")) { |
20d37ef6 PB |
320 | /* There's no point in showing unmerged unless |
321 | * you also show the stage information. | |
322 | */ | |
eec8c633 LT |
323 | show_stage = 1; |
324 | show_unmerged = 1; | |
cf9a113d | 325 | } else if (!strcmp(arg, "-x") && i+1 < argc) { |
9ff768e9 | 326 | add_exclude(argv[++i]); |
cf9a113d | 327 | } else if (!strncmp(arg, "--exclude=", 10)) { |
9ff768e9 | 328 | add_exclude(arg+10); |
cf9a113d | 329 | } else if (!strcmp(arg, "-X") && i+1 < argc) { |
9ff768e9 | 330 | add_excludes_from_file(argv[++i]); |
cf9a113d | 331 | } else if (!strncmp(arg, "--exclude-from=", 15)) { |
9ff768e9 | 332 | add_excludes_from_file(arg+15); |
cf9a113d | 333 | } else |
17710391 | 334 | usage(ls_files_usage); |
9ff768e9 NP |
335 | } |
336 | ||
337 | if (show_ignored && !nr_excludes) { | |
20d37ef6 PB |
338 | fprintf(stderr, "%s: --ignored needs some exclude pattern\n", |
339 | argv[0]); | |
9ff768e9 | 340 | exit(1); |
8695c8bf LT |
341 | } |
342 | ||
343 | /* With no flags, we default to showing the cached files */ | |
6ca45943 | 344 | if (!(show_stage | show_deleted | show_others | show_unmerged | show_killed)) |
8695c8bf LT |
345 | show_cached = 1; |
346 | ||
347 | read_cache(); | |
348 | show_files(); | |
349 | return 0; | |
350 | } |