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Commit | Line | Data |
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85023577 | 1 | #include "builtin.h" |
b2141fc1 | 2 | #include "config.h" |
d807c4a0 | 3 | #include "exec-cmd.h" |
fd5c363d | 4 | #include "help.h" |
d8e96fd8 | 5 | #include "run-command.h" |
65b5f948 | 6 | #include "alias.h" |
8e49d503 | 7 | |
007aa8d8 NTND |
8 | #define RUN_SETUP (1<<0) |
9 | #define RUN_SETUP_GENTLY (1<<1) | |
10 | #define USE_PAGER (1<<2) | |
11 | /* | |
12 | * require working tree to be present -- anything uses this needs | |
13 | * RUN_SETUP for reading from the configuration file. | |
14 | */ | |
15 | #define NEED_WORK_TREE (1<<3) | |
16 | #define SUPPORT_SUPER_PREFIX (1<<4) | |
17 | #define DELAY_PAGER_CONFIG (1<<5) | |
e9547947 | 18 | #define NO_PARSEOPT (1<<6) /* parse-options is not used */ |
007aa8d8 NTND |
19 | |
20 | struct cmd_struct { | |
21 | const char *cmd; | |
22 | int (*fn)(int, const char **, const char *); | |
e9547947 | 23 | unsigned int option; |
007aa8d8 NTND |
24 | }; |
25 | ||
822a7d50 | 26 | const char git_usage_string[] = |
fc045fe7 AS |
27 | N_("git [--version] [--help] [-C <path>] [-c <name>=<value>]\n" |
28 | " [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]\n" | |
7213c288 | 29 | " [-p | --paginate | -P | --no-pager] [--no-replace-objects] [--bare]\n" |
fc045fe7 AS |
30 | " [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]\n" |
31 | " <command> [<args>]"); | |
822a7d50 | 32 | |
b7d96819 | 33 | const char git_more_info_string[] = |
ad5fe377 | 34 | N_("'git help -a' and 'git help -g' list available subcommands and some\n" |
73903d0b PO |
35 | "concept guides. See 'git help <command>' or 'git help <concept>'\n" |
36 | "to read about a specific subcommand or concept."); | |
b7d96819 | 37 | |
4e10738a | 38 | static int use_pager = -1; |
c0562611 | 39 | |
e5d7a619 | 40 | static void list_builtins(struct string_list *list, unsigned int exclude_option); |
8893fd95 | 41 | |
e11dca10 NTND |
42 | static void exclude_helpers_from_list(struct string_list *list) |
43 | { | |
44 | int i = 0; | |
45 | ||
46 | while (i < list->nr) { | |
47 | if (strstr(list->items[i].string, "--")) | |
48 | unsorted_string_list_delete_item(list, i, 0); | |
49 | else | |
50 | i++; | |
51 | } | |
52 | } | |
53 | ||
0089521c NTND |
54 | static int match_token(const char *spec, int len, const char *token) |
55 | { | |
56 | int token_len = strlen(token); | |
57 | ||
58 | return len == token_len && !strncmp(spec, token, token_len); | |
59 | } | |
60 | ||
61 | static int list_cmds(const char *spec) | |
62 | { | |
e5d7a619 NTND |
63 | struct string_list list = STRING_LIST_INIT_DUP; |
64 | int i; | |
83b0ecf3 JK |
65 | int nongit; |
66 | ||
67 | /* | |
68 | * Set up the repository so we can pick up any repo-level config (like | |
69 | * completion.commands). | |
70 | */ | |
71 | setup_git_directory_gently(&nongit); | |
e5d7a619 | 72 | |
0089521c NTND |
73 | while (*spec) { |
74 | const char *sep = strchrnul(spec, ','); | |
75 | int len = sep - spec; | |
76 | ||
77 | if (match_token(spec, len, "builtins")) | |
e5d7a619 | 78 | list_builtins(&list, 0); |
6bb2dc0b NTND |
79 | else if (match_token(spec, len, "main")) |
80 | list_all_main_cmds(&list); | |
81 | else if (match_token(spec, len, "others")) | |
82 | list_all_other_cmds(&list); | |
e11dca10 NTND |
83 | else if (match_token(spec, len, "nohelpers")) |
84 | exclude_helpers_from_list(&list); | |
3301d36b NTND |
85 | else if (match_token(spec, len, "alias")) |
86 | list_aliases(&list); | |
6532f374 NTND |
87 | else if (match_token(spec, len, "config")) |
88 | list_cmds_by_config(&list); | |
3c777767 NTND |
89 | else if (len > 5 && !strncmp(spec, "list-", 5)) { |
90 | struct strbuf sb = STRBUF_INIT; | |
91 | ||
92 | strbuf_add(&sb, spec + 5, len - 5); | |
93 | list_cmds_by_category(&list, sb.buf); | |
94 | strbuf_release(&sb); | |
95 | } | |
0089521c NTND |
96 | else |
97 | die(_("unsupported command listing type '%s'"), spec); | |
98 | spec += len; | |
99 | if (*spec == ',') | |
100 | spec++; | |
101 | } | |
e5d7a619 NTND |
102 | for (i = 0; i < list.nr; i++) |
103 | puts(list.items[i].string); | |
104 | string_list_clear(&list, 0); | |
0089521c NTND |
105 | return 0; |
106 | } | |
8893fd95 | 107 | |
3b335762 NTND |
108 | static void commit_pager_choice(void) |
109 | { | |
4e10738a JK |
110 | switch (use_pager) { |
111 | case 0: | |
112 | setenv("GIT_PAGER", "cat", 1); | |
113 | break; | |
114 | case 1: | |
115 | setup_pager(); | |
116 | break; | |
117 | default: | |
118 | break; | |
119 | } | |
120 | } | |
121 | ||
033fe3d9 MÅ |
122 | void setup_auto_pager(const char *cmd, int def) |
123 | { | |
124 | if (use_pager != -1 || pager_in_use()) | |
125 | return; | |
126 | use_pager = check_pager_config(cmd); | |
127 | if (use_pager == -1) | |
128 | use_pager = def; | |
129 | commit_pager_choice(); | |
130 | } | |
131 | ||
4b25d091 | 132 | static int handle_options(const char ***argv, int *argc, int *envchanged) |
4ab243a9 | 133 | { |
73546c08 | 134 | const char **orig_argv = *argv; |
4ab243a9 JS |
135 | |
136 | while (*argc > 0) { | |
137 | const char *cmd = (*argv)[0]; | |
138 | if (cmd[0] != '-') | |
139 | break; | |
140 | ||
6acbcb92 JS |
141 | /* |
142 | * For legacy reasons, the "version" and "help" | |
143 | * commands can be written with "--" prepended | |
144 | * to make them look like flags. | |
145 | */ | |
146 | if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version")) | |
147 | break; | |
148 | ||
149 | /* | |
150 | * Check remaining flags. | |
151 | */ | |
ae021d87 | 152 | if (skip_prefix(cmd, "--exec-path", &cmd)) { |
6acbcb92 | 153 | if (*cmd == '=') |
226c0ddd | 154 | git_set_exec_path(cmd + 1); |
6acbcb92 JS |
155 | else { |
156 | puts(git_exec_path()); | |
ee4512ed | 157 | trace2_cmd_name("_query_"); |
6acbcb92 JS |
158 | exit(0); |
159 | } | |
89a56bfb MH |
160 | } else if (!strcmp(cmd, "--html-path")) { |
161 | puts(system_path(GIT_HTML_PATH)); | |
ee4512ed | 162 | trace2_cmd_name("_query_"); |
89a56bfb | 163 | exit(0); |
f2dd8c37 JS |
164 | } else if (!strcmp(cmd, "--man-path")) { |
165 | puts(system_path(GIT_MAN_PATH)); | |
ee4512ed | 166 | trace2_cmd_name("_query_"); |
f2dd8c37 JS |
167 | exit(0); |
168 | } else if (!strcmp(cmd, "--info-path")) { | |
169 | puts(system_path(GIT_INFO_PATH)); | |
ee4512ed | 170 | trace2_cmd_name("_query_"); |
f2dd8c37 | 171 | exit(0); |
6acbcb92 | 172 | } else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) { |
4e10738a | 173 | use_pager = 1; |
7213c288 | 174 | } else if (!strcmp(cmd, "-P") || !strcmp(cmd, "--no-pager")) { |
4e10738a | 175 | use_pager = 0; |
463a849d MM |
176 | if (envchanged) |
177 | *envchanged = 1; | |
b0fa7ab5 | 178 | } else if (!strcmp(cmd, "--no-replace-objects")) { |
6ebd1caf | 179 | read_replace_refs = 0; |
6476b38b CC |
180 | setenv(NO_REPLACE_OBJECTS_ENVIRONMENT, "1", 1); |
181 | if (envchanged) | |
182 | *envchanged = 1; | |
6acbcb92 | 183 | } else if (!strcmp(cmd, "--git-dir")) { |
c321f00d | 184 | if (*argc < 2) { |
fc045fe7 | 185 | fprintf(stderr, _("no directory given for --git-dir\n" )); |
c321f00d BG |
186 | usage(git_usage_string); |
187 | } | |
45b09794 | 188 | setenv(GIT_DIR_ENVIRONMENT, (*argv)[1], 1); |
4394efec ML |
189 | if (envchanged) |
190 | *envchanged = 1; | |
6acbcb92 JS |
191 | (*argv)++; |
192 | (*argc)--; | |
ae021d87 JK |
193 | } else if (skip_prefix(cmd, "--git-dir=", &cmd)) { |
194 | setenv(GIT_DIR_ENVIRONMENT, cmd, 1); | |
4394efec ML |
195 | if (envchanged) |
196 | *envchanged = 1; | |
a1bea2c1 JT |
197 | } else if (!strcmp(cmd, "--namespace")) { |
198 | if (*argc < 2) { | |
fc045fe7 | 199 | fprintf(stderr, _("no namespace given for --namespace\n" )); |
a1bea2c1 JT |
200 | usage(git_usage_string); |
201 | } | |
202 | setenv(GIT_NAMESPACE_ENVIRONMENT, (*argv)[1], 1); | |
203 | if (envchanged) | |
204 | *envchanged = 1; | |
205 | (*argv)++; | |
206 | (*argc)--; | |
ae021d87 JK |
207 | } else if (skip_prefix(cmd, "--namespace=", &cmd)) { |
208 | setenv(GIT_NAMESPACE_ENVIRONMENT, cmd, 1); | |
a1bea2c1 JT |
209 | if (envchanged) |
210 | *envchanged = 1; | |
892c41b9 ML |
211 | } else if (!strcmp(cmd, "--work-tree")) { |
212 | if (*argc < 2) { | |
fc045fe7 | 213 | fprintf(stderr, _("no directory given for --work-tree\n" )); |
892c41b9 ML |
214 | usage(git_usage_string); |
215 | } | |
216 | setenv(GIT_WORK_TREE_ENVIRONMENT, (*argv)[1], 1); | |
4394efec ML |
217 | if (envchanged) |
218 | *envchanged = 1; | |
892c41b9 ML |
219 | (*argv)++; |
220 | (*argc)--; | |
ae021d87 JK |
221 | } else if (skip_prefix(cmd, "--work-tree=", &cmd)) { |
222 | setenv(GIT_WORK_TREE_ENVIRONMENT, cmd, 1); | |
4394efec ML |
223 | if (envchanged) |
224 | *envchanged = 1; | |
74866d75 BW |
225 | } else if (!strcmp(cmd, "--super-prefix")) { |
226 | if (*argc < 2) { | |
fc045fe7 | 227 | fprintf(stderr, _("no prefix given for --super-prefix\n" )); |
74866d75 BW |
228 | usage(git_usage_string); |
229 | } | |
230 | setenv(GIT_SUPER_PREFIX_ENVIRONMENT, (*argv)[1], 1); | |
231 | if (envchanged) | |
232 | *envchanged = 1; | |
233 | (*argv)++; | |
234 | (*argc)--; | |
235 | } else if (skip_prefix(cmd, "--super-prefix=", &cmd)) { | |
236 | setenv(GIT_SUPER_PREFIX_ENVIRONMENT, cmd, 1); | |
237 | if (envchanged) | |
238 | *envchanged = 1; | |
6acbcb92 | 239 | } else if (!strcmp(cmd, "--bare")) { |
4d3ab44d | 240 | char *cwd = xgetcwd(); |
6adcca3f | 241 | is_bare_repository_cfg = 1; |
4d3ab44d RS |
242 | setenv(GIT_DIR_ENVIRONMENT, cwd, 0); |
243 | free(cwd); | |
2cd83d10 | 244 | setenv(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, "0", 1); |
4394efec ML |
245 | if (envchanged) |
246 | *envchanged = 1; | |
8b1fa778 AR |
247 | } else if (!strcmp(cmd, "-c")) { |
248 | if (*argc < 2) { | |
fc045fe7 | 249 | fprintf(stderr, _("-c expects a configuration string\n" )); |
8b1fa778 AR |
250 | usage(git_usage_string); |
251 | } | |
2b64fc89 | 252 | git_config_push_parameter((*argv)[1]); |
8b1fa778 AR |
253 | (*argv)++; |
254 | (*argc)--; | |
823ab40f JK |
255 | } else if (!strcmp(cmd, "--literal-pathspecs")) { |
256 | setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "1", 1); | |
257 | if (envchanged) | |
258 | *envchanged = 1; | |
259 | } else if (!strcmp(cmd, "--no-literal-pathspecs")) { | |
260 | setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1); | |
261 | if (envchanged) | |
262 | *envchanged = 1; | |
bd30c2e4 NTND |
263 | } else if (!strcmp(cmd, "--glob-pathspecs")) { |
264 | setenv(GIT_GLOB_PATHSPECS_ENVIRONMENT, "1", 1); | |
265 | if (envchanged) | |
266 | *envchanged = 1; | |
267 | } else if (!strcmp(cmd, "--noglob-pathspecs")) { | |
268 | setenv(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, "1", 1); | |
269 | if (envchanged) | |
270 | *envchanged = 1; | |
93d93537 NTND |
271 | } else if (!strcmp(cmd, "--icase-pathspecs")) { |
272 | setenv(GIT_ICASE_PATHSPECS_ENVIRONMENT, "1", 1); | |
273 | if (envchanged) | |
274 | *envchanged = 1; | |
27344d6a JK |
275 | } else if (!strcmp(cmd, "--no-optional-locks")) { |
276 | setenv(GIT_OPTIONAL_LOCKS_ENVIRONMENT, "0", 1); | |
277 | if (envchanged) | |
278 | *envchanged = 1; | |
6035d6aa NTND |
279 | } else if (!strcmp(cmd, "--shallow-file")) { |
280 | (*argv)++; | |
281 | (*argc)--; | |
6a2df51c | 282 | set_alternate_shallow_file(the_repository, (*argv)[0], 1); |
6035d6aa NTND |
283 | if (envchanged) |
284 | *envchanged = 1; | |
44e1e4d6 NR |
285 | } else if (!strcmp(cmd, "-C")) { |
286 | if (*argc < 2) { | |
fc045fe7 | 287 | fprintf(stderr, _("no directory given for -C\n" )); |
44e1e4d6 NR |
288 | usage(git_usage_string); |
289 | } | |
6a536e20 KN |
290 | if ((*argv)[1][0]) { |
291 | if (chdir((*argv)[1])) | |
fc045fe7 | 292 | die_errno("cannot change to '%s'", (*argv)[1]); |
6a536e20 KN |
293 | if (envchanged) |
294 | *envchanged = 1; | |
295 | } | |
44e1e4d6 NR |
296 | (*argv)++; |
297 | (*argc)--; | |
0089521c | 298 | } else if (skip_prefix(cmd, "--list-cmds=", &cmd)) { |
ee4512ed | 299 | trace2_cmd_name("_query_"); |
0089521c | 300 | if (!strcmp(cmd, "parseopt")) { |
e5d7a619 NTND |
301 | struct string_list list = STRING_LIST_INIT_DUP; |
302 | int i; | |
303 | ||
304 | list_builtins(&list, NO_PARSEOPT); | |
305 | for (i = 0; i < list.nr; i++) | |
306 | printf("%s ", list.items[i].string); | |
307 | string_list_clear(&list, 0); | |
0089521c NTND |
308 | exit(0); |
309 | } else { | |
310 | exit(list_cmds(cmd)); | |
311 | } | |
6acbcb92 | 312 | } else { |
fc045fe7 | 313 | fprintf(stderr, _("unknown option: %s\n"), cmd); |
822a7d50 | 314 | usage(git_usage_string); |
6acbcb92 | 315 | } |
4ab243a9 JS |
316 | |
317 | (*argv)++; | |
318 | (*argc)--; | |
4ab243a9 | 319 | } |
73546c08 | 320 | return (*argv) - orig_argv; |
4ab243a9 JS |
321 | } |
322 | ||
2b11e317 JS |
323 | static int handle_alias(int *argcp, const char ***argv) |
324 | { | |
af05d679 | 325 | int envchanged = 0, ret = 0, saved_errno = errno; |
0347a8c7 | 326 | int count, option_count; |
4b25d091 | 327 | const char **new_argv; |
94351118 JK |
328 | const char *alias_command; |
329 | char *alias_string; | |
0347a8c7 ML |
330 | |
331 | alias_command = (*argv)[0]; | |
94351118 | 332 | alias_string = alias_lookup(alias_command); |
0347a8c7 | 333 | if (alias_string) { |
a9a60b94 RV |
334 | if (*argcp > 1 && !strcmp((*argv)[1], "-h")) |
335 | fprintf_ln(stderr, _("'%s' is aliased to '%s'"), | |
336 | alias_command, alias_string); | |
dfd42a3c | 337 | if (alias_string[0] == '!') { |
850d2fec | 338 | struct child_process child = CHILD_PROCESS_INIT; |
a9bcf658 JS |
339 | int nongit_ok; |
340 | ||
341 | /* Aliases expect GIT_PREFIX, GIT_DIR etc to be set */ | |
342 | setup_git_directory_gently(&nongit_ok); | |
7f51f8bc | 343 | |
030149a4 | 344 | commit_pager_choice(); |
7f51f8bc | 345 | |
850d2fec | 346 | child.use_shell = 1; |
ee4512ed | 347 | child.trace2_child_class = "shell_alias"; |
850d2fec JK |
348 | argv_array_push(&child.args, alias_string + 1); |
349 | argv_array_pushv(&child.args, (*argv) + 1); | |
7f51f8bc | 350 | |
ee4512ed JH |
351 | trace2_cmd_alias(alias_command, child.args.argv); |
352 | trace2_cmd_list_config(); | |
353 | trace2_cmd_name("_run_shell_alias_"); | |
354 | ||
850d2fec | 355 | ret = run_command(&child); |
7f51f8bc EFL |
356 | if (ret >= 0) /* normal exit */ |
357 | exit(ret); | |
358 | ||
8aa8c140 NTND |
359 | die_errno(_("while expanding alias '%s': '%s'"), |
360 | alias_command, alias_string + 1); | |
dfd42a3c | 361 | } |
0347a8c7 | 362 | count = split_cmdline(alias_string, &new_argv); |
dc4179f9 | 363 | if (count < 0) |
8aa8c140 | 364 | die(_("bad alias.%s string: %s"), alias_command, |
a7412ae1 | 365 | _(split_cmdline_strerror(count))); |
4394efec ML |
366 | option_count = handle_options(&new_argv, &count, &envchanged); |
367 | if (envchanged) | |
8aa8c140 NTND |
368 | die(_("alias '%s' changes environment variables.\n" |
369 | "You can use '!git' in the alias to do this"), | |
370 | alias_command); | |
0347a8c7 ML |
371 | memmove(new_argv - option_count, new_argv, |
372 | count * sizeof(char *)); | |
373 | new_argv -= option_count; | |
374 | ||
375 | if (count < 1) | |
8aa8c140 | 376 | die(_("empty alias for %s"), alias_command); |
0347a8c7 ML |
377 | |
378 | if (!strcmp(alias_command, new_argv[0])) | |
8aa8c140 | 379 | die(_("recursive alias: %s"), alias_command); |
0347a8c7 | 380 | |
b319ce4c | 381 | trace_argv_printf(new_argv, |
6ce4e61f CC |
382 | "trace: alias expansion: %s =>", |
383 | alias_command); | |
575ba9d6 | 384 | |
2756ca43 | 385 | REALLOC_ARRAY(new_argv, count + *argcp); |
0347a8c7 | 386 | /* insert after command name */ |
4b25d091 | 387 | memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp); |
2b11e317 | 388 | |
ee4512ed JH |
389 | trace2_cmd_alias(alias_command, new_argv); |
390 | trace2_cmd_list_config(); | |
391 | ||
0347a8c7 ML |
392 | *argv = new_argv; |
393 | *argcp += count - 1; | |
2b11e317 | 394 | |
0347a8c7 | 395 | ret = 1; |
2b11e317 JS |
396 | } |
397 | ||
47e5c0ca JS |
398 | errno = saved_errno; |
399 | ||
2b11e317 JS |
400 | return ret; |
401 | } | |
402 | ||
f172f334 | 403 | static int run_builtin(struct cmd_struct *p, int argc, const char **argv) |
47d0b4ff | 404 | { |
99caeed0 | 405 | int status, help; |
0f157315 | 406 | struct stat st; |
47d0b4ff LT |
407 | const char *prefix; |
408 | ||
409 | prefix = NULL; | |
99caeed0 JN |
410 | help = argc == 2 && !strcmp(argv[1], "-h"); |
411 | if (!help) { | |
412 | if (p->option & RUN_SETUP) | |
413 | prefix = setup_git_directory(); | |
27bd38d4 | 414 | else if (p->option & RUN_SETUP_GENTLY) { |
ee38dfb8 NTND |
415 | int nongit_ok; |
416 | prefix = setup_git_directory_gently(&nongit_ok); | |
417 | } | |
99caeed0 | 418 | |
c409824c MÅ |
419 | if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY) && |
420 | !(p->option & DELAY_PAGER_CONFIG)) | |
99caeed0 JN |
421 | use_pager = check_pager_config(p->cmd); |
422 | if (use_pager == -1 && p->option & USE_PAGER) | |
423 | use_pager = 1; | |
a9ca8a85 NTND |
424 | |
425 | if ((p->option & (RUN_SETUP | RUN_SETUP_GENTLY)) && | |
426 | startup_info->have_repository) /* get_git_dir() may set up repo, avoid that */ | |
427 | trace_repo_setup(prefix); | |
99caeed0 | 428 | } |
4e10738a JK |
429 | commit_pager_choice(); |
430 | ||
74866d75 BW |
431 | if (!help && get_super_prefix()) { |
432 | if (!(p->option & SUPPORT_SUPER_PREFIX)) | |
8aa8c140 | 433 | die(_("%s doesn't support --super-prefix"), p->cmd); |
74866d75 BW |
434 | } |
435 | ||
99caeed0 | 436 | if (!help && p->option & NEED_WORK_TREE) |
59f0f2f3 MH |
437 | setup_work_tree(); |
438 | ||
b319ce4c | 439 | trace_argv_printf(argv, "trace: built-in: git"); |
ee4512ed JH |
440 | trace2_cmd_name(p->cmd); |
441 | trace2_cmd_list_config(); | |
47d0b4ff | 442 | |
f8adbec9 | 443 | validate_cache_entries(the_repository->index); |
0f157315 | 444 | status = p->fn(argc, argv, prefix); |
f8adbec9 | 445 | validate_cache_entries(the_repository->index); |
8616a2d0 | 446 | |
0f157315 | 447 | if (status) |
47e3de0e | 448 | return status; |
0f157315 LT |
449 | |
450 | /* Somebody closed stdout? */ | |
451 | if (fstat(fileno(stdout), &st)) | |
452 | return 0; | |
453 | /* Ignore write errors for pipes and sockets.. */ | |
454 | if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode)) | |
455 | return 0; | |
456 | ||
457 | /* Check for ENOSPC and EIO errors.. */ | |
0227f988 | 458 | if (fflush(stdout)) |
8aa8c140 | 459 | die_errno(_("write failure on standard output")); |
0227f988 | 460 | if (ferror(stdout)) |
8aa8c140 | 461 | die(_("unknown write failure on standard output")); |
0227f988 | 462 | if (fclose(stdout)) |
8aa8c140 | 463 | die_errno(_("close failed on standard output")); |
0f157315 | 464 | return 0; |
47d0b4ff LT |
465 | } |
466 | ||
c6127fa3 SS |
467 | static struct cmd_struct commands[] = { |
468 | { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE }, | |
783d7e86 | 469 | { "am", cmd_am, RUN_SETUP | NEED_WORK_TREE }, |
e9547947 | 470 | { "annotate", cmd_annotate, RUN_SETUP | NO_PARSEOPT }, |
c6127fa3 | 471 | { "apply", cmd_apply, RUN_SETUP_GENTLY }, |
eb0224c6 | 472 | { "archive", cmd_archive, RUN_SETUP_GENTLY }, |
c6127fa3 SS |
473 | { "bisect--helper", cmd_bisect__helper, RUN_SETUP }, |
474 | { "blame", cmd_blame, RUN_SETUP }, | |
d74b541e | 475 | { "branch", cmd_branch, RUN_SETUP | DELAY_PAGER_CONFIG }, |
e9547947 | 476 | { "bundle", cmd_bundle, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
c6127fa3 SS |
477 | { "cat-file", cmd_cat_file, RUN_SETUP }, |
478 | { "check-attr", cmd_check_attr, RUN_SETUP }, | |
479 | { "check-ignore", cmd_check_ignore, RUN_SETUP | NEED_WORK_TREE }, | |
480 | { "check-mailmap", cmd_check_mailmap, RUN_SETUP }, | |
e9547947 | 481 | { "check-ref-format", cmd_check_ref_format, NO_PARSEOPT }, |
0ca560cb | 482 | { "checkout", cmd_checkout, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 SS |
483 | { "checkout-index", cmd_checkout_index, |
484 | RUN_SETUP | NEED_WORK_TREE}, | |
485 | { "cherry", cmd_cherry, RUN_SETUP }, | |
486 | { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE }, | |
487 | { "clean", cmd_clean, RUN_SETUP | NEED_WORK_TREE }, | |
86d26f24 | 488 | { "clone", cmd_clone }, |
c6127fa3 SS |
489 | { "column", cmd_column, RUN_SETUP_GENTLY }, |
490 | { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE }, | |
4ce58ee3 | 491 | { "commit-graph", cmd_commit_graph, RUN_SETUP }, |
e9547947 | 492 | { "commit-tree", cmd_commit_tree, RUN_SETUP | NO_PARSEOPT }, |
32888b8f | 493 | { "config", cmd_config, RUN_SETUP_GENTLY | DELAY_PAGER_CONFIG }, |
c6127fa3 | 494 | { "count-objects", cmd_count_objects, RUN_SETUP }, |
e9547947 | 495 | { "credential", cmd_credential, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
c6127fa3 | 496 | { "describe", cmd_describe, RUN_SETUP }, |
e9547947 NTND |
497 | { "diff", cmd_diff, NO_PARSEOPT }, |
498 | { "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
499 | { "diff-index", cmd_diff_index, RUN_SETUP | NO_PARSEOPT }, | |
500 | { "diff-tree", cmd_diff_tree, RUN_SETUP | NO_PARSEOPT }, | |
019678d6 | 501 | { "difftool", cmd_difftool, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 SS |
502 | { "fast-export", cmd_fast_export, RUN_SETUP }, |
503 | { "fetch", cmd_fetch, RUN_SETUP }, | |
e9547947 | 504 | { "fetch-pack", cmd_fetch_pack, RUN_SETUP | NO_PARSEOPT }, |
c6127fa3 SS |
505 | { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP }, |
506 | { "for-each-ref", cmd_for_each_ref, RUN_SETUP }, | |
507 | { "format-patch", cmd_format_patch, RUN_SETUP }, | |
508 | { "fsck", cmd_fsck, RUN_SETUP }, | |
509 | { "fsck-objects", cmd_fsck, RUN_SETUP }, | |
510 | { "gc", cmd_gc, RUN_SETUP }, | |
e9547947 | 511 | { "get-tar-commit-id", cmd_get_tar_commit_id, NO_PARSEOPT }, |
f9ee2fcd | 512 | { "grep", cmd_grep, RUN_SETUP_GENTLY }, |
c6127fa3 SS |
513 | { "hash-object", cmd_hash_object }, |
514 | { "help", cmd_help }, | |
e9547947 | 515 | { "index-pack", cmd_index_pack, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
86d26f24 NTND |
516 | { "init", cmd_init_db }, |
517 | { "init-db", cmd_init_db }, | |
cbd9fc23 | 518 | { "interpret-trailers", cmd_interpret_trailers, RUN_SETUP_GENTLY }, |
c6127fa3 | 519 | { "log", cmd_log, RUN_SETUP }, |
188dce13 | 520 | { "ls-files", cmd_ls_files, RUN_SETUP }, |
c6127fa3 SS |
521 | { "ls-remote", cmd_ls_remote, RUN_SETUP_GENTLY }, |
522 | { "ls-tree", cmd_ls_tree, RUN_SETUP }, | |
e9547947 NTND |
523 | { "mailinfo", cmd_mailinfo, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
524 | { "mailsplit", cmd_mailsplit, NO_PARSEOPT }, | |
c6127fa3 SS |
525 | { "merge", cmd_merge, RUN_SETUP | NEED_WORK_TREE }, |
526 | { "merge-base", cmd_merge_base, RUN_SETUP }, | |
527 | { "merge-file", cmd_merge_file, RUN_SETUP_GENTLY }, | |
e9547947 NTND |
528 | { "merge-index", cmd_merge_index, RUN_SETUP | NO_PARSEOPT }, |
529 | { "merge-ours", cmd_merge_ours, RUN_SETUP | NO_PARSEOPT }, | |
530 | { "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
531 | { "merge-recursive-ours", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
532 | { "merge-recursive-theirs", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
533 | { "merge-subtree", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
534 | { "merge-tree", cmd_merge_tree, RUN_SETUP | NO_PARSEOPT }, | |
535 | { "mktag", cmd_mktag, RUN_SETUP | NO_PARSEOPT }, | |
c6127fa3 | 536 | { "mktree", cmd_mktree, RUN_SETUP }, |
6a257f03 | 537 | { "multi-pack-index", cmd_multi_pack_index, RUN_SETUP_GENTLY }, |
c6127fa3 SS |
538 | { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE }, |
539 | { "name-rev", cmd_name_rev, RUN_SETUP }, | |
540 | { "notes", cmd_notes, RUN_SETUP }, | |
541 | { "pack-objects", cmd_pack_objects, RUN_SETUP }, | |
e9547947 | 542 | { "pack-redundant", cmd_pack_redundant, RUN_SETUP | NO_PARSEOPT }, |
c6127fa3 | 543 | { "pack-refs", cmd_pack_refs, RUN_SETUP }, |
e9547947 | 544 | { "patch-id", cmd_patch_id, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
c6127fa3 SS |
545 | { "pickaxe", cmd_blame, RUN_SETUP }, |
546 | { "prune", cmd_prune, RUN_SETUP }, | |
547 | { "prune-packed", cmd_prune_packed, RUN_SETUP }, | |
1e1ea69f | 548 | { "pull", cmd_pull, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 | 549 | { "push", cmd_push, RUN_SETUP }, |
348ae56c | 550 | { "range-diff", cmd_range_diff, RUN_SETUP | USE_PAGER }, |
3d415425 | 551 | { "read-tree", cmd_read_tree, RUN_SETUP | SUPPORT_SUPER_PREFIX}, |
55071ea2 PK |
552 | /* |
553 | * NEEDSWORK: Until the rebase is independent and needs no redirection | |
554 | * to rebase shell script this is kept as is, then should be changed to | |
555 | * RUN_SETUP | NEED_WORK_TREE | |
556 | */ | |
557 | { "rebase", cmd_rebase }, | |
cf808208 | 558 | { "rebase--interactive", cmd_rebase__interactive, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 SS |
559 | { "receive-pack", cmd_receive_pack }, |
560 | { "reflog", cmd_reflog, RUN_SETUP }, | |
561 | { "remote", cmd_remote, RUN_SETUP }, | |
e9547947 NTND |
562 | { "remote-ext", cmd_remote_ext, NO_PARSEOPT }, |
563 | { "remote-fd", cmd_remote_fd, NO_PARSEOPT }, | |
c6127fa3 SS |
564 | { "repack", cmd_repack, RUN_SETUP }, |
565 | { "replace", cmd_replace, RUN_SETUP }, | |
566 | { "rerere", cmd_rerere, RUN_SETUP }, | |
567 | { "reset", cmd_reset, RUN_SETUP }, | |
e9547947 NTND |
568 | { "rev-list", cmd_rev_list, RUN_SETUP | NO_PARSEOPT }, |
569 | { "rev-parse", cmd_rev_parse, NO_PARSEOPT }, | |
c6127fa3 SS |
570 | { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE }, |
571 | { "rm", cmd_rm, RUN_SETUP }, | |
572 | { "send-pack", cmd_send_pack, RUN_SETUP }, | |
ed10cb95 | 573 | { "serve", cmd_serve, RUN_SETUP }, |
c6127fa3 SS |
574 | { "shortlog", cmd_shortlog, RUN_SETUP_GENTLY | USE_PAGER }, |
575 | { "show", cmd_show, RUN_SETUP }, | |
576 | { "show-branch", cmd_show_branch, RUN_SETUP }, | |
ff417260 | 577 | { "show-index", cmd_show_index }, |
c6127fa3 SS |
578 | { "show-ref", cmd_show_ref, RUN_SETUP }, |
579 | { "stage", cmd_add, RUN_SETUP | NEED_WORK_TREE }, | |
90a46272 JS |
580 | /* |
581 | * NEEDSWORK: Until the builtin stash is thoroughly robust and no | |
582 | * longer needs redirection to the stash shell script this is kept as | |
583 | * is, then should be changed to RUN_SETUP | NEED_WORK_TREE | |
584 | */ | |
585 | { "stash", cmd_stash }, | |
c6127fa3 SS |
586 | { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE }, |
587 | { "stripspace", cmd_stripspace }, | |
e9547947 | 588 | { "submodule--helper", cmd_submodule__helper, RUN_SETUP | SUPPORT_SUPER_PREFIX | NO_PARSEOPT }, |
c6127fa3 | 589 | { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP }, |
de121ffe | 590 | { "tag", cmd_tag, RUN_SETUP | DELAY_PAGER_CONFIG }, |
e9547947 NTND |
591 | { "unpack-file", cmd_unpack_file, RUN_SETUP | NO_PARSEOPT }, |
592 | { "unpack-objects", cmd_unpack_objects, RUN_SETUP | NO_PARSEOPT }, | |
c6127fa3 SS |
593 | { "update-index", cmd_update_index, RUN_SETUP }, |
594 | { "update-ref", cmd_update_ref, RUN_SETUP }, | |
595 | { "update-server-info", cmd_update_server_info, RUN_SETUP }, | |
e9547947 NTND |
596 | { "upload-archive", cmd_upload_archive, NO_PARSEOPT }, |
597 | { "upload-archive--writer", cmd_upload_archive_writer, NO_PARSEOPT }, | |
a3d6b53e | 598 | { "upload-pack", cmd_upload_pack }, |
e9547947 | 599 | { "var", cmd_var, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
d07b00b7 | 600 | { "verify-commit", cmd_verify_commit, RUN_SETUP }, |
c6127fa3 SS |
601 | { "verify-pack", cmd_verify_pack }, |
602 | { "verify-tag", cmd_verify_tag, RUN_SETUP }, | |
603 | { "version", cmd_version }, | |
604 | { "whatchanged", cmd_whatchanged, RUN_SETUP }, | |
e9547947 | 605 | { "worktree", cmd_worktree, RUN_SETUP | NO_PARSEOPT }, |
c6127fa3 SS |
606 | { "write-tree", cmd_write_tree, RUN_SETUP }, |
607 | }; | |
608 | ||
c4f901d1 | 609 | static struct cmd_struct *get_builtin(const char *s) |
c6127fa3 SS |
610 | { |
611 | int i; | |
612 | for (i = 0; i < ARRAY_SIZE(commands); i++) { | |
c4f901d1 | 613 | struct cmd_struct *p = commands + i; |
c6127fa3 | 614 | if (!strcmp(s, p->cmd)) |
c4f901d1 | 615 | return p; |
c6127fa3 | 616 | } |
c4f901d1 SV |
617 | return NULL; |
618 | } | |
619 | ||
620 | int is_builtin(const char *s) | |
621 | { | |
622 | return !!get_builtin(s); | |
c6127fa3 SS |
623 | } |
624 | ||
e5d7a619 | 625 | static void list_builtins(struct string_list *out, unsigned int exclude_option) |
8893fd95 JK |
626 | { |
627 | int i; | |
e9547947 NTND |
628 | for (i = 0; i < ARRAY_SIZE(commands); i++) { |
629 | if (exclude_option && | |
630 | (commands[i].option & exclude_option)) | |
631 | continue; | |
e5d7a619 | 632 | string_list_append(out, commands[i].cmd); |
e9547947 | 633 | } |
8893fd95 JK |
634 | } |
635 | ||
63ca1c09 AK |
636 | #ifdef STRIP_EXTENSION |
637 | static void strip_extension(const char **argv) | |
638 | { | |
639 | size_t len; | |
640 | ||
641 | if (strip_suffix(argv[0], STRIP_EXTENSION, &len)) | |
642 | argv[0] = xmemdupz(argv[0], len); | |
643 | } | |
644 | #else | |
645 | #define strip_extension(cmd) | |
646 | #endif | |
647 | ||
3f784a4d | 648 | static void handle_builtin(int argc, const char **argv) |
231af832 | 649 | { |
2c6b6d9f | 650 | struct argv_array args = ARGV_ARRAY_INIT; |
63ca1c09 | 651 | const char *cmd; |
c4f901d1 | 652 | struct cmd_struct *builtin; |
23326d14 | 653 | |
63ca1c09 AK |
654 | strip_extension(argv); |
655 | cmd = argv[0]; | |
231af832 | 656 | |
2c6b6d9f | 657 | /* Turn "git cmd --help" into "git help --exclude-guides cmd" */ |
1cd95087 | 658 | if (argc > 1 && !strcmp(argv[1], "--help")) { |
2c6b6d9f RT |
659 | int i; |
660 | ||
1cd95087 LT |
661 | argv[1] = argv[0]; |
662 | argv[0] = cmd = "help"; | |
2c6b6d9f RT |
663 | |
664 | for (i = 0; i < argc; i++) { | |
665 | argv_array_push(&args, argv[i]); | |
666 | if (!i) | |
667 | argv_array_push(&args, "--exclude-guides"); | |
668 | } | |
669 | ||
670 | argc++; | |
671 | argv = args.argv; | |
1cd95087 LT |
672 | } |
673 | ||
c4f901d1 | 674 | builtin = get_builtin(cmd); |
441981bc JH |
675 | if (builtin) |
676 | exit(run_builtin(builtin, argc, argv)); | |
2c6b6d9f | 677 | argv_array_clear(&args); |
231af832 LT |
678 | } |
679 | ||
7550be0a JH |
680 | static void execv_dashed_external(const char **argv) |
681 | { | |
2b296c93 | 682 | struct child_process cmd = CHILD_PROCESS_INIT; |
d8e96fd8 | 683 | int status; |
7550be0a | 684 | |
74866d75 | 685 | if (get_super_prefix()) |
8aa8c140 | 686 | die(_("%s doesn't support --super-prefix"), argv[0]); |
74866d75 | 687 | |
595d59e2 | 688 | if (use_pager == -1 && !is_builtin(argv[0])) |
92058e4d | 689 | use_pager = check_pager_config(argv[0]); |
030149a4 JN |
690 | commit_pager_choice(); |
691 | ||
2b296c93 JK |
692 | argv_array_pushf(&cmd.args, "git-%s", argv[0]); |
693 | argv_array_pushv(&cmd.args, argv + 1); | |
694 | cmd.clean_on_exit = 1; | |
46df6906 | 695 | cmd.wait_after_clean = 1; |
2b296c93 | 696 | cmd.silent_exec_failure = 1; |
ee4512ed | 697 | cmd.trace2_child_class = "dashed"; |
7550be0a | 698 | |
ee4512ed JH |
699 | trace2_cmd_name("_run_dashed_"); |
700 | ||
701 | /* | |
702 | * The code in run_command() logs trace2 child_start/child_exit | |
703 | * events, so we do not need to report exec/exec_result events here. | |
704 | */ | |
2b296c93 | 705 | trace_argv_printf(cmd.args.argv, "trace: exec:"); |
7550be0a | 706 | |
d8e96fd8 | 707 | /* |
246f0ede JK |
708 | * If we fail because the command is not found, it is |
709 | * OK to return. Otherwise, we just pass along the status code, | |
710 | * or our usual generic code if we were not even able to exec | |
711 | * the program. | |
d8e96fd8 | 712 | */ |
2b296c93 | 713 | status = run_command(&cmd); |
ee4512ed JH |
714 | |
715 | /* | |
716 | * If the child process ran and we are now going to exit, emit a | |
717 | * generic string as our trace2 command verb to indicate that we | |
718 | * launched a dashed command. | |
719 | */ | |
246f0ede | 720 | if (status >= 0) |
5709e036 | 721 | exit(status); |
246f0ede JK |
722 | else if (errno != ENOENT) |
723 | exit(128); | |
7550be0a JH |
724 | } |
725 | ||
a907e1b6 AS |
726 | static int run_argv(int *argcp, const char ***argv) |
727 | { | |
728 | int done_alias = 0; | |
c6d75bc1 | 729 | struct string_list cmd_list = STRING_LIST_INIT_NODUP; |
82f71d9a | 730 | struct string_list_item *seen; |
a907e1b6 AS |
731 | |
732 | while (1) { | |
441981bc JH |
733 | /* |
734 | * If we tried alias and futzed with our environment, | |
735 | * it no longer is safe to invoke builtins directly in | |
736 | * general. We have to spawn them as dashed externals. | |
737 | * | |
738 | * NEEDSWORK: if we can figure out cases | |
739 | * where it is safe to do, we can avoid spawning a new | |
740 | * process. | |
741 | */ | |
742 | if (!done_alias) | |
743 | handle_builtin(*argcp, *argv); | |
a907e1b6 | 744 | |
ee4512ed JH |
745 | #if 0 // TODO In GFW, need to amend a7924b655e940b06cb547c235d6bed9767929673 to include trace2_ and _tr2 lines. |
746 | else if (get_builtin(**argv)) { | |
747 | struct argv_array args = ARGV_ARRAY_INIT; | |
748 | int i; | |
749 | ||
750 | /* | |
751 | * The current process is committed to launching a | |
752 | * child process to run the command named in (**argv) | |
753 | * and exiting. Log a generic string as the trace2 | |
754 | * command verb to indicate this. Note that the child | |
755 | * process will log the actual verb when it runs. | |
756 | */ | |
757 | trace2_cmd_name("_run_git_alias_"); | |
758 | ||
759 | if (get_super_prefix()) | |
760 | die("%s doesn't support --super-prefix", **argv); | |
761 | ||
762 | commit_pager_choice(); | |
763 | ||
764 | argv_array_push(&args, "git"); | |
765 | for (i = 0; i < *argcp; i++) | |
766 | argv_array_push(&args, (*argv)[i]); | |
767 | ||
768 | trace_argv_printf(args.argv, "trace: exec:"); | |
769 | ||
770 | /* | |
771 | * if we fail because the command is not found, it is | |
772 | * OK to return. Otherwise, we just pass along the status code. | |
773 | */ | |
774 | i = run_command_v_opt_tr2(args.argv, RUN_SILENT_EXEC_FAILURE | | |
775 | RUN_CLEAN_ON_EXIT, "git_alias"); | |
776 | if (i >= 0 || errno != ENOENT) | |
777 | exit(i); | |
778 | die("could not execute builtin %s", **argv); | |
779 | } | |
780 | #endif // a7924b655e940b06cb547c235d6bed9767929673 | |
781 | ||
a907e1b6 AS |
782 | /* .. then try the external ones */ |
783 | execv_dashed_external(*argv); | |
784 | ||
82f71d9a TS |
785 | seen = unsorted_string_list_lookup(&cmd_list, *argv[0]); |
786 | if (seen) { | |
787 | int i; | |
788 | struct strbuf sb = STRBUF_INIT; | |
789 | for (i = 0; i < cmd_list.nr; i++) { | |
790 | struct string_list_item *item = &cmd_list.items[i]; | |
791 | ||
792 | strbuf_addf(&sb, "\n %s", item->string); | |
793 | if (item == seen) | |
794 | strbuf_addstr(&sb, " <=="); | |
795 | else if (i == cmd_list.nr - 1) | |
796 | strbuf_addstr(&sb, " ==>"); | |
797 | } | |
c6d75bc1 | 798 | die(_("alias loop detected: expansion of '%s' does" |
82f71d9a | 799 | " not terminate:%s"), cmd_list.items[0].string, sb.buf); |
c6d75bc1 TS |
800 | } |
801 | ||
802 | string_list_append(&cmd_list, *argv[0]); | |
803 | ||
804 | /* | |
805 | * It could be an alias -- this works around the insanity | |
a907e1b6 AS |
806 | * of overriding "git log" with "git show" by having |
807 | * alias.log = show | |
808 | */ | |
c0562611 | 809 | if (!handle_alias(argcp, argv)) |
a907e1b6 AS |
810 | break; |
811 | done_alias = 1; | |
812 | } | |
813 | ||
c6d75bc1 TS |
814 | string_list_clear(&cmd_list, 0); |
815 | ||
a907e1b6 AS |
816 | return done_alias; |
817 | } | |
818 | ||
3f2e2297 | 819 | int cmd_main(int argc, const char **argv) |
8e49d503 | 820 | { |
4dd47c3b | 821 | const char *cmd; |
8fa7975b | 822 | int done_help = 0; |
231af832 | 823 | |
650c4492 | 824 | cmd = argv[0]; |
2cd72b0b | 825 | if (!cmd) |
4dd47c3b | 826 | cmd = "git-help"; |
6854a8f5 JK |
827 | else { |
828 | const char *slash = find_last_dir_sep(cmd); | |
829 | if (slash) | |
830 | cmd = slash + 1; | |
831 | } | |
8e49d503 | 832 | |
578da039 KB |
833 | trace_command_performance(argv); |
834 | ||
231af832 LT |
835 | /* |
836 | * "git-xxxx" is the same as "git xxxx", but we obviously: | |
837 | * | |
838 | * - cannot take flags in between the "git" and the "xxxx". | |
839 | * - cannot execute it externally (since it would just do | |
840 | * the same thing over again) | |
841 | * | |
3f784a4d SS |
842 | * So we just directly call the builtin handler, and die if |
843 | * that one cannot handle it. | |
231af832 | 844 | */ |
ae021d87 | 845 | if (skip_prefix(cmd, "git-", &cmd)) { |
231af832 | 846 | argv[0] = cmd; |
3f784a4d | 847 | handle_builtin(argc, argv); |
8aa8c140 | 848 | die(_("cannot handle %s as a builtin"), cmd); |
231af832 | 849 | } |
8e49d503 | 850 | |
231af832 | 851 | /* Look for flags.. */ |
6acbcb92 JS |
852 | argv++; |
853 | argc--; | |
4394efec | 854 | handle_options(&argv, &argc, NULL); |
6acbcb92 | 855 | if (argc > 0) { |
6d877803 JK |
856 | /* translate --help and --version into commands */ |
857 | skip_prefix(argv[0], "--", &argv[0]); | |
6acbcb92 | 858 | } else { |
3d7e2d85 | 859 | /* The user didn't specify a command; give them help */ |
73e25e7c | 860 | commit_pager_choice(); |
8aa8c140 | 861 | printf(_("usage: %s\n\n"), git_usage_string); |
3d7e2d85 | 862 | list_common_cmds_help(); |
421a9769 | 863 | printf("\n%s\n", _(git_more_info_string)); |
3d7e2d85 | 864 | exit(1); |
97fc6c5f | 865 | } |
6acbcb92 | 866 | cmd = argv[0]; |
231af832 LT |
867 | |
868 | /* | |
511707d4 | 869 | * We use PATH to find git commands, but we prepend some higher |
3ea3c215 | 870 | * precedence paths: the "--exec-path" option, the GIT_EXEC_PATH |
511707d4 SP |
871 | * environment, and the $(gitexecdir) from the Makefile at build |
872 | * time. | |
231af832 | 873 | */ |
e1464ca7 | 874 | setup_path(); |
8e49d503 | 875 | |
a025463b | 876 | while (1) { |
8fa7975b | 877 | int was_alias = run_argv(&argc, &argv); |
a907e1b6 | 878 | if (errno != ENOENT) |
a025463b | 879 | break; |
a907e1b6 | 880 | if (was_alias) { |
fc045fe7 AS |
881 | fprintf(stderr, _("expansion of alias '%s' failed; " |
882 | "'%s' is not a git command\n"), | |
f3dd015c TT |
883 | cmd, argv[0]); |
884 | exit(1); | |
885 | } | |
a907e1b6 AS |
886 | if (!done_help) { |
887 | cmd = argv[0] = help_unknown_cmd(cmd); | |
888 | done_help = 1; | |
889 | } else | |
890 | break; | |
f3dd015c | 891 | } |
10b15b86 | 892 | |
fc045fe7 | 893 | fprintf(stderr, _("failed to run command '%s': %s\n"), |
33ebb871 | 894 | cmd, strerror(errno)); |
8e49d503 AE |
895 | |
896 | return 1; | |
897 | } |