]>
Commit | Line | Data |
---|---|---|
70827b15 | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
70827b15 LT |
3 | #include "builtin.h" |
4 | #include "exec_cmd.h" | |
38124a40 | 5 | #include "run-command.h" |
8af84dad | 6 | #include "levenshtein.h" |
940208a7 | 7 | #include "help.h" |
cfb22a02 | 8 | #include "command-list.h" |
dbfae689 NTND |
9 | #include "string-list.h" |
10 | #include "column.h" | |
816fb46b | 11 | #include "version.h" |
e5618106 | 12 | #include "refs.h" |
b48cbfc5 | 13 | #include "parse-options.h" |
64949984 | 14 | |
cfb22a02 NTND |
15 | struct category_description { |
16 | uint32_t category; | |
17 | const char *desc; | |
18 | }; | |
19 | static uint32_t common_mask = | |
20 | CAT_init | CAT_worktree | CAT_info | | |
21 | CAT_history | CAT_remote; | |
22 | static struct category_description common_categories[] = { | |
23 | { CAT_init, N_("start a working area (see also: git help tutorial)") }, | |
24 | { CAT_worktree, N_("work on the current change (see also: git help everyday)") }, | |
25 | { CAT_info, N_("examine the history and state (see also: git help revisions)") }, | |
26 | { CAT_history, N_("grow, mark and tweak your common history") }, | |
27 | { CAT_remote, N_("collaborate (see also: git help workflows)") }, | |
28 | { 0, NULL } | |
29 | }; | |
63eae83f NTND |
30 | static struct category_description main_categories[] = { |
31 | { CAT_mainporcelain, N_("Main Porcelain Commands") }, | |
32 | { CAT_ancillarymanipulators, N_("Ancillary Commands / Manipulators") }, | |
33 | { CAT_ancillaryinterrogators, N_("Ancillary Commands / Interrogators") }, | |
34 | { CAT_foreignscminterface, N_("Interacting with Others") }, | |
35 | { CAT_plumbingmanipulators, N_("Low-level Commands / Manipulators") }, | |
36 | { CAT_plumbinginterrogators, N_("Low-level Commands / Interrogators") }, | |
37 | { CAT_synchingrepositories, N_("Low-level Commands / Synching Repositories") }, | |
38 | { CAT_purehelpers, N_("Low-level Commands / Internal Helpers") }, | |
39 | { 0, NULL } | |
40 | }; | |
cfb22a02 NTND |
41 | |
42 | static const char *drop_prefix(const char *name) | |
43 | { | |
44 | const char *new_name; | |
45 | ||
46 | if (skip_prefix(name, "git-", &new_name)) | |
47 | return new_name; | |
48 | return name; | |
49 | ||
50 | } | |
51 | ||
52 | static void extract_cmds(struct cmdname_help **p_cmds, uint32_t mask) | |
53 | { | |
54 | int i, nr = 0; | |
55 | struct cmdname_help *cmds; | |
56 | ||
57 | if (ARRAY_SIZE(command_list) == 0) | |
58 | BUG("empty command_list[] is a sign of broken generate-cmdlist.sh"); | |
59 | ||
60 | ALLOC_ARRAY(cmds, ARRAY_SIZE(command_list) + 1); | |
61 | ||
62 | for (i = 0; i < ARRAY_SIZE(command_list); i++) { | |
63 | const struct cmdname_help *cmd = command_list + i; | |
64 | ||
65 | if (!(cmd->category & mask)) | |
66 | continue; | |
67 | ||
68 | cmds[nr] = *cmd; | |
69 | cmds[nr].name = drop_prefix(cmd->name); | |
70 | ||
71 | nr++; | |
72 | } | |
73 | cmds[nr].name = NULL; | |
74 | *p_cmds = cmds; | |
75 | } | |
76 | ||
77 | static void print_command_list(const struct cmdname_help *cmds, | |
78 | uint32_t mask, int longest) | |
79 | { | |
80 | int i; | |
81 | ||
82 | for (i = 0; cmds[i].name; i++) { | |
83 | if (cmds[i].category & mask) { | |
84 | printf(" %s ", cmds[i].name); | |
85 | mput_char(' ', longest - strlen(cmds[i].name)); | |
86 | puts(_(cmds[i].help)); | |
87 | } | |
88 | } | |
89 | } | |
90 | ||
91 | static int cmd_name_cmp(const void *elem1, const void *elem2) | |
92 | { | |
93 | const struct cmdname_help *e1 = elem1; | |
94 | const struct cmdname_help *e2 = elem2; | |
95 | ||
96 | return strcmp(e1->name, e2->name); | |
97 | } | |
98 | ||
99 | static void print_cmd_by_category(const struct category_description *catdesc) | |
100 | { | |
101 | struct cmdname_help *cmds; | |
102 | int longest = 0; | |
103 | int i, nr = 0; | |
104 | uint32_t mask = 0; | |
105 | ||
106 | for (i = 0; catdesc[i].desc; i++) | |
107 | mask |= catdesc[i].category; | |
108 | ||
109 | extract_cmds(&cmds, mask); | |
110 | ||
111 | for (i = 0; cmds[i].name; i++, nr++) { | |
112 | if (longest < strlen(cmds[i].name)) | |
113 | longest = strlen(cmds[i].name); | |
114 | } | |
115 | QSORT(cmds, nr, cmd_name_cmp); | |
116 | ||
117 | for (i = 0; catdesc[i].desc; i++) { | |
118 | uint32_t mask = catdesc[i].category; | |
119 | const char *desc = catdesc[i].desc; | |
120 | ||
121 | printf("\n%s\n", _(desc)); | |
122 | print_command_list(cmds, mask, longest); | |
123 | } | |
124 | free(cmds); | |
125 | } | |
126 | ||
940208a7 | 127 | void add_cmdname(struct cmdnames *cmds, const char *name, int len) |
70827b15 | 128 | { |
96ffc06f JK |
129 | struct cmdname *ent; |
130 | FLEX_ALLOC_MEM(ent, name, name, len); | |
70827b15 | 131 | ent->len = len; |
1eb05690 SP |
132 | |
133 | ALLOC_GROW(cmds->names, cmds->cnt + 1, cmds->alloc); | |
134 | cmds->names[cmds->cnt++] = ent; | |
70827b15 LT |
135 | } |
136 | ||
8af84dad JS |
137 | static void clean_cmdnames(struct cmdnames *cmds) |
138 | { | |
139 | int i; | |
140 | for (i = 0; i < cmds->cnt; ++i) | |
141 | free(cmds->names[i]); | |
142 | free(cmds->names); | |
143 | cmds->cnt = 0; | |
144 | cmds->alloc = 0; | |
145 | } | |
146 | ||
70827b15 LT |
147 | static int cmdname_compare(const void *a_, const void *b_) |
148 | { | |
149 | struct cmdname *a = *(struct cmdname **)a_; | |
150 | struct cmdname *b = *(struct cmdname **)b_; | |
151 | return strcmp(a->name, b->name); | |
152 | } | |
153 | ||
1eb05690 SP |
154 | static void uniq(struct cmdnames *cmds) |
155 | { | |
156 | int i, j; | |
157 | ||
158 | if (!cmds->cnt) | |
159 | return; | |
160 | ||
4a15758f JK |
161 | for (i = j = 1; i < cmds->cnt; i++) { |
162 | if (!strcmp(cmds->names[i]->name, cmds->names[j-1]->name)) | |
163 | free(cmds->names[i]); | |
164 | else | |
1eb05690 | 165 | cmds->names[j++] = cmds->names[i]; |
4a15758f | 166 | } |
1eb05690 SP |
167 | |
168 | cmds->cnt = j; | |
169 | } | |
170 | ||
940208a7 | 171 | void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes) |
f3fa1838 | 172 | { |
1eb05690 SP |
173 | int ci, cj, ei; |
174 | int cmp; | |
175 | ||
176 | ci = cj = ei = 0; | |
177 | while (ci < cmds->cnt && ei < excludes->cnt) { | |
178 | cmp = strcmp(cmds->names[ci]->name, excludes->names[ei]->name); | |
179 | if (cmp < 0) | |
180 | cmds->names[cj++] = cmds->names[ci++]; | |
6a17f583 JH |
181 | else if (cmp == 0) { |
182 | ei++; | |
183 | free(cmds->names[ci++]); | |
184 | } else if (cmp > 0) | |
1eb05690 SP |
185 | ei++; |
186 | } | |
187 | ||
188 | while (ci < cmds->cnt) | |
189 | cmds->names[cj++] = cmds->names[ci++]; | |
190 | ||
191 | cmds->cnt = cj; | |
192 | } | |
193 | ||
d10cb3df | 194 | static void pretty_print_cmdnames(struct cmdnames *cmds, unsigned int colopts) |
70827b15 | 195 | { |
dbfae689 NTND |
196 | struct string_list list = STRING_LIST_INIT_NODUP; |
197 | struct column_options copts; | |
198 | int i; | |
70827b15 | 199 | |
dbfae689 NTND |
200 | for (i = 0; i < cmds->cnt; i++) |
201 | string_list_append(&list, cmds->names[i]->name); | |
202 | /* | |
203 | * always enable column display, we only consult column.* | |
204 | * about layout strategy and stuff | |
205 | */ | |
206 | colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED; | |
207 | memset(&copts, 0, sizeof(copts)); | |
208 | copts.indent = " "; | |
209 | copts.padding = 2; | |
210 | print_columns(&list, colopts, &copts); | |
211 | string_list_clear(&list, 0); | |
70827b15 LT |
212 | } |
213 | ||
e321180e | 214 | static void list_commands_in_dir(struct cmdnames *cmds, |
940208a7 MV |
215 | const char *path, |
216 | const char *prefix) | |
70827b15 | 217 | { |
1eb05690 | 218 | DIR *dir = opendir(path); |
70827b15 | 219 | struct dirent *de; |
f5d600e2 JS |
220 | struct strbuf buf = STRBUF_INIT; |
221 | int len; | |
70827b15 | 222 | |
f5d600e2 | 223 | if (!dir) |
e321180e | 224 | return; |
940208a7 MV |
225 | if (!prefix) |
226 | prefix = "git-"; | |
70827b15 | 227 | |
f5d600e2 JS |
228 | strbuf_addf(&buf, "%s/", path); |
229 | len = buf.len; | |
230 | ||
70827b15 | 231 | while ((de = readdir(dir)) != NULL) { |
de8118e1 | 232 | const char *ent; |
26936bfd | 233 | size_t entlen; |
70827b15 | 234 | |
de8118e1 | 235 | if (!skip_prefix(de->d_name, prefix, &ent)) |
70827b15 | 236 | continue; |
0966003c | 237 | |
f5d600e2 JS |
238 | strbuf_setlen(&buf, len); |
239 | strbuf_addstr(&buf, de->d_name); | |
240 | if (!is_executable(buf.buf)) | |
70827b15 LT |
241 | continue; |
242 | ||
de8118e1 | 243 | entlen = strlen(ent); |
6e409473 | 244 | strip_suffix(ent, ".exe", &entlen); |
70827b15 | 245 | |
de8118e1 | 246 | add_cmdname(cmds, ent, entlen); |
70827b15 LT |
247 | } |
248 | closedir(dir); | |
f5d600e2 | 249 | strbuf_release(&buf); |
1eb05690 SP |
250 | } |
251 | ||
e321180e | 252 | void load_command_list(const char *prefix, |
940208a7 MV |
253 | struct cmdnames *main_cmds, |
254 | struct cmdnames *other_cmds) | |
1eb05690 | 255 | { |
1eb05690 | 256 | const char *env_path = getenv("PATH"); |
1eb05690 SP |
257 | const char *exec_path = git_exec_path(); |
258 | ||
1f08e5ce | 259 | if (exec_path) { |
e321180e | 260 | list_commands_in_dir(main_cmds, exec_path, prefix); |
9ed0d8d6 | 261 | QSORT(main_cmds->names, main_cmds->cnt, cmdname_compare); |
1f08e5ce | 262 | uniq(main_cmds); |
1eb05690 SP |
263 | } |
264 | ||
1f08e5ce AR |
265 | if (env_path) { |
266 | char *paths, *path, *colon; | |
267 | path = paths = xstrdup(env_path); | |
268 | while (1) { | |
269 | if ((colon = strchr(path, PATH_SEP))) | |
270 | *colon = 0; | |
746c221a PB |
271 | if (!exec_path || strcmp(path, exec_path)) |
272 | list_commands_in_dir(other_cmds, path, prefix); | |
1eb05690 | 273 | |
1f08e5ce AR |
274 | if (!colon) |
275 | break; | |
276 | path = colon + 1; | |
277 | } | |
278 | free(paths); | |
1eb05690 | 279 | |
9ed0d8d6 | 280 | QSORT(other_cmds->names, other_cmds->cnt, cmdname_compare); |
1f08e5ce AR |
281 | uniq(other_cmds); |
282 | } | |
940208a7 | 283 | exclude_cmds(other_cmds, main_cmds); |
2156435f JK |
284 | } |
285 | ||
f4ed0af6 | 286 | void list_commands(unsigned int colopts, |
dbfae689 | 287 | struct cmdnames *main_cmds, struct cmdnames *other_cmds) |
2156435f | 288 | { |
940208a7 | 289 | if (main_cmds->cnt) { |
61c5d431 | 290 | const char *exec_path = git_exec_path(); |
4470ef94 | 291 | printf_ln(_("available git commands in '%s'"), exec_path); |
1eb05690 | 292 | putchar('\n'); |
d10cb3df | 293 | pretty_print_cmdnames(main_cmds, colopts); |
1eb05690 SP |
294 | putchar('\n'); |
295 | } | |
296 | ||
940208a7 | 297 | if (other_cmds->cnt) { |
4470ef94 | 298 | printf_ln(_("git commands available from elsewhere on your $PATH")); |
940208a7 | 299 | putchar('\n'); |
d10cb3df | 300 | pretty_print_cmdnames(other_cmds, colopts); |
1eb05690 SP |
301 | putchar('\n'); |
302 | } | |
70827b15 LT |
303 | } |
304 | ||
1542d4cd JH |
305 | void list_common_cmds_help(void) |
306 | { | |
22414770 | 307 | puts(_("These are common Git commands used in various situations:")); |
cfb22a02 | 308 | print_cmd_by_category(common_categories); |
1542d4cd JH |
309 | } |
310 | ||
6bb2dc0b NTND |
311 | void list_all_main_cmds(struct string_list *list) |
312 | { | |
313 | struct cmdnames main_cmds, other_cmds; | |
314 | int i; | |
315 | ||
316 | memset(&main_cmds, 0, sizeof(main_cmds)); | |
317 | memset(&other_cmds, 0, sizeof(other_cmds)); | |
318 | load_command_list("git-", &main_cmds, &other_cmds); | |
319 | ||
320 | for (i = 0; i < main_cmds.cnt; i++) | |
321 | string_list_append(list, main_cmds.names[i]->name); | |
322 | ||
323 | clean_cmdnames(&main_cmds); | |
324 | clean_cmdnames(&other_cmds); | |
325 | } | |
326 | ||
327 | void list_all_other_cmds(struct string_list *list) | |
328 | { | |
329 | struct cmdnames main_cmds, other_cmds; | |
330 | int i; | |
331 | ||
332 | memset(&main_cmds, 0, sizeof(main_cmds)); | |
333 | memset(&other_cmds, 0, sizeof(other_cmds)); | |
334 | load_command_list("git-", &main_cmds, &other_cmds); | |
335 | ||
336 | for (i = 0; i < other_cmds.cnt; i++) | |
337 | string_list_append(list, other_cmds.names[i]->name); | |
338 | ||
339 | clean_cmdnames(&main_cmds); | |
340 | clean_cmdnames(&other_cmds); | |
341 | } | |
342 | ||
3c777767 NTND |
343 | void list_cmds_by_category(struct string_list *list, |
344 | const char *cat) | |
345 | { | |
346 | int i, n = ARRAY_SIZE(command_list); | |
347 | uint32_t cat_id = 0; | |
348 | ||
349 | for (i = 0; category_names[i]; i++) { | |
350 | if (!strcmp(cat, category_names[i])) { | |
351 | cat_id = 1UL << i; | |
352 | break; | |
353 | } | |
354 | } | |
355 | if (!cat_id) | |
356 | die(_("unsupported command listing type '%s'"), cat); | |
357 | ||
358 | for (i = 0; i < n; i++) { | |
359 | struct cmdname_help *cmd = command_list + i; | |
360 | ||
361 | if (cmd->category & cat_id) | |
362 | string_list_append(list, drop_prefix(cmd->name)); | |
363 | } | |
364 | } | |
365 | ||
63eae83f NTND |
366 | void list_all_cmds_help(void) |
367 | { | |
368 | print_cmd_by_category(main_categories); | |
369 | } | |
370 | ||
940208a7 | 371 | int is_in_cmdlist(struct cmdnames *c, const char *s) |
2156435f JK |
372 | { |
373 | int i; | |
374 | for (i = 0; i < c->cnt; i++) | |
375 | if (!strcmp(s, c->names[i]->name)) | |
376 | return 1; | |
377 | return 0; | |
378 | } | |
379 | ||
f0e90716 | 380 | static int autocorrect; |
746c221a | 381 | static struct cmdnames aliases; |
f0e90716 AR |
382 | |
383 | static int git_unknown_cmd_config(const char *var, const char *value, void *cb) | |
384 | { | |
ae021d87 JK |
385 | const char *p; |
386 | ||
f0e90716 AR |
387 | if (!strcmp(var, "help.autocorrect")) |
388 | autocorrect = git_config_int(var,value); | |
746c221a | 389 | /* Also use aliases for command lookup */ |
ae021d87 JK |
390 | if (skip_prefix(var, "alias.", &p)) |
391 | add_cmdname(&aliases, p, strlen(p)); | |
f0e90716 AR |
392 | |
393 | return git_default_config(var, value, cb); | |
394 | } | |
395 | ||
8af84dad | 396 | static int levenshtein_compare(const void *p1, const void *p2) |
822a7d50 | 397 | { |
8af84dad JS |
398 | const struct cmdname *const *c1 = p1, *const *c2 = p2; |
399 | const char *s1 = (*c1)->name, *s2 = (*c2)->name; | |
400 | int l1 = (*c1)->len; | |
401 | int l2 = (*c2)->len; | |
402 | return l1 != l2 ? l1 - l2 : strcmp(s1, s2); | |
403 | } | |
404 | ||
746c221a PB |
405 | static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old) |
406 | { | |
407 | int i; | |
408 | ALLOC_GROW(cmds->names, cmds->cnt + old->cnt, cmds->alloc); | |
409 | ||
410 | for (i = 0; i < old->cnt; i++) | |
411 | cmds->names[cmds->cnt++] = old->names[i]; | |
88ce3ef6 | 412 | FREE_AND_NULL(old->names); |
746c221a | 413 | old->cnt = 0; |
746c221a PB |
414 | } |
415 | ||
06500a02 | 416 | /* An empirically derived magic number */ |
6612b9e4 EFL |
417 | #define SIMILARITY_FLOOR 7 |
418 | #define SIMILAR_ENOUGH(x) ((x) < SIMILARITY_FLOOR) | |
06500a02 | 419 | |
823e0ded MS |
420 | static const char bad_interpreter_advice[] = |
421 | N_("'%s' appears to be a git command, but we were not\n" | |
422 | "able to execute it. Maybe git-%s is broken?"); | |
423 | ||
8af84dad | 424 | const char *help_unknown_cmd(const char *cmd) |
822a7d50 | 425 | { |
8af84dad JS |
426 | int i, n, best_similarity = 0; |
427 | struct cmdnames main_cmds, other_cmds; | |
cfb22a02 | 428 | struct cmdname_help *common_cmds; |
8af84dad JS |
429 | |
430 | memset(&main_cmds, 0, sizeof(main_cmds)); | |
0b74f5dc | 431 | memset(&other_cmds, 0, sizeof(other_cmds)); |
746c221a | 432 | memset(&aliases, 0, sizeof(aliases)); |
8af84dad | 433 | |
659fef19 | 434 | read_early_config(git_unknown_cmd_config, NULL); |
f0e90716 | 435 | |
8af84dad JS |
436 | load_command_list("git-", &main_cmds, &other_cmds); |
437 | ||
746c221a PB |
438 | add_cmd_list(&main_cmds, &aliases); |
439 | add_cmd_list(&main_cmds, &other_cmds); | |
9ed0d8d6 | 440 | QSORT(main_cmds.names, main_cmds.cnt, cmdname_compare); |
746c221a | 441 | uniq(&main_cmds); |
8af84dad | 442 | |
cfb22a02 NTND |
443 | extract_cmds(&common_cmds, common_mask); |
444 | ||
6612b9e4 EFL |
445 | /* This abuses cmdname->len for levenshtein distance */ |
446 | for (i = 0, n = 0; i < main_cmds.cnt; i++) { | |
447 | int cmp = 0; /* avoid compiler stupidity */ | |
448 | const char *candidate = main_cmds.names[i]->name; | |
449 | ||
823e0ded MS |
450 | /* |
451 | * An exact match means we have the command, but | |
452 | * for some reason exec'ing it gave us ENOENT; probably | |
453 | * it's a bad interpreter in the #! line. | |
454 | */ | |
455 | if (!strcmp(candidate, cmd)) | |
456 | die(_(bad_interpreter_advice), cmd, cmd); | |
457 | ||
6612b9e4 | 458 | /* Does the candidate appear in common_cmds list? */ |
cfb22a02 | 459 | while (common_cmds[n].name && |
6612b9e4 EFL |
460 | (cmp = strcmp(common_cmds[n].name, candidate)) < 0) |
461 | n++; | |
cfb22a02 | 462 | if (common_cmds[n].name && !cmp) { |
6612b9e4 EFL |
463 | /* Yes, this is one of the common commands */ |
464 | n++; /* use the entry from common_cmds[] */ | |
59556548 | 465 | if (starts_with(candidate, cmd)) { |
6612b9e4 EFL |
466 | /* Give prefix match a very good score */ |
467 | main_cmds.names[i]->len = 0; | |
468 | continue; | |
469 | } | |
470 | } | |
471 | ||
8af84dad | 472 | main_cmds.names[i]->len = |
c41494f8 | 473 | levenshtein(cmd, candidate, 0, 2, 1, 3) + 1; |
6612b9e4 | 474 | } |
cfb22a02 | 475 | FREE_AND_NULL(common_cmds); |
8af84dad | 476 | |
9ed0d8d6 | 477 | QSORT(main_cmds.names, main_cmds.cnt, levenshtein_compare); |
8af84dad JS |
478 | |
479 | if (!main_cmds.cnt) | |
9665627d | 480 | die(_("Uh oh. Your system reports no Git commands at all.")); |
8af84dad | 481 | |
6612b9e4 EFL |
482 | /* skip and count prefix matches */ |
483 | for (n = 0; n < main_cmds.cnt && !main_cmds.names[n]->len; n++) | |
484 | ; /* still counting */ | |
485 | ||
486 | if (main_cmds.cnt <= n) { | |
487 | /* prefix matches with everything? that is too ambiguous */ | |
488 | best_similarity = SIMILARITY_FLOOR + 1; | |
489 | } else { | |
490 | /* count all the most similar ones */ | |
491 | for (best_similarity = main_cmds.names[n++]->len; | |
492 | (n < main_cmds.cnt && | |
493 | best_similarity == main_cmds.names[n]->len); | |
494 | n++) | |
495 | ; /* still counting */ | |
496 | } | |
06500a02 | 497 | if (autocorrect && n == 1 && SIMILAR_ENOUGH(best_similarity)) { |
8af84dad JS |
498 | const char *assumed = main_cmds.names[0]->name; |
499 | main_cmds.names[0] = NULL; | |
500 | clean_cmdnames(&main_cmds); | |
9665627d NTND |
501 | fprintf_ln(stderr, |
502 | _("WARNING: You called a Git command named '%s', " | |
968b1fe2 MB |
503 | "which does not exist."), |
504 | cmd); | |
505 | if (autocorrect < 0) | |
506 | fprintf_ln(stderr, | |
507 | _("Continuing under the assumption that " | |
508 | "you meant '%s'."), | |
509 | assumed); | |
510 | else { | |
511 | fprintf_ln(stderr, | |
512 | _("Continuing in %0.1f seconds, " | |
513 | "assuming that you meant '%s'."), | |
514 | (float)autocorrect/10.0, assumed); | |
2024d317 | 515 | sleep_millisec(autocorrect * 100); |
f0e90716 | 516 | } |
8af84dad JS |
517 | return assumed; |
518 | } | |
519 | ||
9665627d | 520 | fprintf_ln(stderr, _("git: '%s' is not a git command. See 'git --help'."), cmd); |
8af84dad | 521 | |
06500a02 | 522 | if (SIMILAR_ENOUGH(best_similarity)) { |
9665627d | 523 | fprintf_ln(stderr, |
6c486862 JNA |
524 | Q_("\nThe most similar command is", |
525 | "\nThe most similar commands are", | |
9665627d | 526 | n)); |
8af84dad JS |
527 | |
528 | for (i = 0; i < n; i++) | |
529 | fprintf(stderr, "\t%s\n", main_cmds.names[i]->name); | |
530 | } | |
531 | ||
822a7d50 RJ |
532 | exit(1); |
533 | } | |
534 | ||
a633fca0 | 535 | int cmd_version(int argc, const char **argv, const char *prefix) |
70827b15 | 536 | { |
b48cbfc5 JK |
537 | int build_options = 0; |
538 | const char * const usage[] = { | |
539 | N_("git version [<options>]"), | |
540 | NULL | |
541 | }; | |
542 | struct option options[] = { | |
543 | OPT_BOOL(0, "build-options", &build_options, | |
544 | "also print build options"), | |
545 | OPT_END() | |
546 | }; | |
547 | ||
548 | argc = parse_options(argc, argv, prefix, options, usage, 0); | |
549 | ||
f2de0b97 DA |
550 | /* |
551 | * The format of this string should be kept stable for compatibility | |
552 | * with external projects that rely on the output of "git version". | |
b48cbfc5 JK |
553 | * |
554 | * Always show the version, even if other options are given. | |
f2de0b97 | 555 | */ |
70827b15 | 556 | printf("git version %s\n", git_version_string); |
b48cbfc5 JK |
557 | |
558 | if (build_options) { | |
b2289404 | 559 | printf("cpu: %s\n", GIT_HOST_CPU); |
ed32b788 JS |
560 | if (git_built_from_commit_string[0]) |
561 | printf("built from commit: %s\n", | |
562 | git_built_from_commit_string); | |
563 | else | |
564 | printf("no commit associated with this build\n"); | |
b48cbfc5 JK |
565 | printf("sizeof-long: %d\n", (int)sizeof(long)); |
566 | /* NEEDSWORK: also save and output GIT-BUILD_OPTIONS? */ | |
6b9c38e1 | 567 | } |
70827b15 LT |
568 | return 0; |
569 | } | |
e5618106 VV |
570 | |
571 | struct similar_ref_cb { | |
572 | const char *base_ref; | |
573 | struct string_list *similar_refs; | |
574 | }; | |
575 | ||
91d6e94e | 576 | static int append_similar_ref(const char *refname, const struct object_id *oid, |
e5618106 VV |
577 | int flags, void *cb_data) |
578 | { | |
579 | struct similar_ref_cb *cb = (struct similar_ref_cb *)(cb_data); | |
580 | char *branch = strrchr(refname, '/') + 1; | |
95b567c7 JK |
581 | const char *remote; |
582 | ||
e5618106 | 583 | /* A remote branch of the same name is deemed similar */ |
95b567c7 | 584 | if (skip_prefix(refname, "refs/remotes/", &remote) && |
e5618106 | 585 | !strcmp(branch, cb->base_ref)) |
95b567c7 | 586 | string_list_append(cb->similar_refs, remote); |
e5618106 VV |
587 | return 0; |
588 | } | |
589 | ||
590 | static struct string_list guess_refs(const char *ref) | |
591 | { | |
592 | struct similar_ref_cb ref_cb; | |
593 | struct string_list similar_refs = STRING_LIST_INIT_NODUP; | |
594 | ||
595 | ref_cb.base_ref = ref; | |
596 | ref_cb.similar_refs = &similar_refs; | |
597 | for_each_ref(append_similar_ref, &ref_cb); | |
598 | return similar_refs; | |
599 | } | |
600 | ||
601 | void help_unknown_ref(const char *ref, const char *cmd, const char *error) | |
602 | { | |
603 | int i; | |
604 | struct string_list suggested_refs = guess_refs(ref); | |
605 | ||
606 | fprintf_ln(stderr, _("%s: %s - %s"), cmd, ref, error); | |
607 | ||
608 | if (suggested_refs.nr > 0) { | |
609 | fprintf_ln(stderr, | |
610 | Q_("\nDid you mean this?", | |
611 | "\nDid you mean one of these?", | |
612 | suggested_refs.nr)); | |
613 | for (i = 0; i < suggested_refs.nr; i++) | |
614 | fprintf(stderr, "\t%s\n", suggested_refs.items[i].string); | |
615 | } | |
616 | ||
617 | string_list_clear(&suggested_refs, 0); | |
618 | exit(1); | |
619 | } |