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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" |
120ad2b0 | 7 | #include "shallow.h" |
8e49d503 | 8 | |
007aa8d8 NTND |
9 | #define RUN_SETUP (1<<0) |
10 | #define RUN_SETUP_GENTLY (1<<1) | |
11 | #define USE_PAGER (1<<2) | |
12 | /* | |
13 | * require working tree to be present -- anything uses this needs | |
14 | * RUN_SETUP for reading from the configuration file. | |
15 | */ | |
16 | #define NEED_WORK_TREE (1<<3) | |
17 | #define SUPPORT_SUPER_PREFIX (1<<4) | |
18 | #define DELAY_PAGER_CONFIG (1<<5) | |
e9547947 | 19 | #define NO_PARSEOPT (1<<6) /* parse-options is not used */ |
007aa8d8 NTND |
20 | |
21 | struct cmd_struct { | |
22 | const char *cmd; | |
23 | int (*fn)(int, const char **, const char *); | |
e9547947 | 24 | unsigned int option; |
007aa8d8 NTND |
25 | }; |
26 | ||
822a7d50 | 27 | const char git_usage_string[] = |
fc045fe7 AS |
28 | N_("git [--version] [--help] [-C <path>] [-c <name>=<value>]\n" |
29 | " [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]\n" | |
7213c288 | 30 | " [-p | --paginate | -P | --no-pager] [--no-replace-objects] [--bare]\n" |
fc045fe7 AS |
31 | " [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]\n" |
32 | " <command> [<args>]"); | |
822a7d50 | 33 | |
b7d96819 | 34 | const char git_more_info_string[] = |
ad5fe377 | 35 | N_("'git help -a' and 'git help -g' list available subcommands and some\n" |
73903d0b | 36 | "concept guides. See 'git help <command>' or 'git help <concept>'\n" |
e55f36b8 PO |
37 | "to read about a specific subcommand or concept.\n" |
38 | "See 'git help git' for an overview of the system."); | |
b7d96819 | 39 | |
4e10738a | 40 | static int use_pager = -1; |
c0562611 | 41 | |
e5d7a619 | 42 | static void list_builtins(struct string_list *list, unsigned int exclude_option); |
8893fd95 | 43 | |
e11dca10 NTND |
44 | static void exclude_helpers_from_list(struct string_list *list) |
45 | { | |
46 | int i = 0; | |
47 | ||
48 | while (i < list->nr) { | |
49 | if (strstr(list->items[i].string, "--")) | |
50 | unsorted_string_list_delete_item(list, i, 0); | |
51 | else | |
52 | i++; | |
53 | } | |
54 | } | |
55 | ||
0089521c NTND |
56 | static int match_token(const char *spec, int len, const char *token) |
57 | { | |
58 | int token_len = strlen(token); | |
59 | ||
60 | return len == token_len && !strncmp(spec, token, token_len); | |
61 | } | |
62 | ||
63 | static int list_cmds(const char *spec) | |
64 | { | |
e5d7a619 NTND |
65 | struct string_list list = STRING_LIST_INIT_DUP; |
66 | int i; | |
83b0ecf3 JK |
67 | int nongit; |
68 | ||
69 | /* | |
70 | * Set up the repository so we can pick up any repo-level config (like | |
71 | * completion.commands). | |
72 | */ | |
73 | setup_git_directory_gently(&nongit); | |
e5d7a619 | 74 | |
0089521c NTND |
75 | while (*spec) { |
76 | const char *sep = strchrnul(spec, ','); | |
77 | int len = sep - spec; | |
78 | ||
79 | if (match_token(spec, len, "builtins")) | |
e5d7a619 | 80 | list_builtins(&list, 0); |
6bb2dc0b NTND |
81 | else if (match_token(spec, len, "main")) |
82 | list_all_main_cmds(&list); | |
83 | else if (match_token(spec, len, "others")) | |
84 | list_all_other_cmds(&list); | |
e11dca10 NTND |
85 | else if (match_token(spec, len, "nohelpers")) |
86 | exclude_helpers_from_list(&list); | |
3301d36b NTND |
87 | else if (match_token(spec, len, "alias")) |
88 | list_aliases(&list); | |
6532f374 NTND |
89 | else if (match_token(spec, len, "config")) |
90 | list_cmds_by_config(&list); | |
3c777767 NTND |
91 | else if (len > 5 && !strncmp(spec, "list-", 5)) { |
92 | struct strbuf sb = STRBUF_INIT; | |
93 | ||
94 | strbuf_add(&sb, spec + 5, len - 5); | |
95 | list_cmds_by_category(&list, sb.buf); | |
96 | strbuf_release(&sb); | |
97 | } | |
0089521c NTND |
98 | else |
99 | die(_("unsupported command listing type '%s'"), spec); | |
100 | spec += len; | |
101 | if (*spec == ',') | |
102 | spec++; | |
103 | } | |
e5d7a619 NTND |
104 | for (i = 0; i < list.nr; i++) |
105 | puts(list.items[i].string); | |
106 | string_list_clear(&list, 0); | |
0089521c NTND |
107 | return 0; |
108 | } | |
8893fd95 | 109 | |
3b335762 NTND |
110 | static void commit_pager_choice(void) |
111 | { | |
4e10738a JK |
112 | switch (use_pager) { |
113 | case 0: | |
114 | setenv("GIT_PAGER", "cat", 1); | |
115 | break; | |
116 | case 1: | |
117 | setup_pager(); | |
118 | break; | |
119 | default: | |
120 | break; | |
121 | } | |
122 | } | |
123 | ||
033fe3d9 MÅ |
124 | void setup_auto_pager(const char *cmd, int def) |
125 | { | |
126 | if (use_pager != -1 || pager_in_use()) | |
127 | return; | |
128 | use_pager = check_pager_config(cmd); | |
129 | if (use_pager == -1) | |
130 | use_pager = def; | |
131 | commit_pager_choice(); | |
132 | } | |
133 | ||
4b25d091 | 134 | static int handle_options(const char ***argv, int *argc, int *envchanged) |
4ab243a9 | 135 | { |
73546c08 | 136 | const char **orig_argv = *argv; |
4ab243a9 JS |
137 | |
138 | while (*argc > 0) { | |
139 | const char *cmd = (*argv)[0]; | |
140 | if (cmd[0] != '-') | |
141 | break; | |
142 | ||
6acbcb92 JS |
143 | /* |
144 | * For legacy reasons, the "version" and "help" | |
145 | * commands can be written with "--" prepended | |
146 | * to make them look like flags. | |
147 | */ | |
148 | if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version")) | |
149 | break; | |
150 | ||
151 | /* | |
152 | * Check remaining flags. | |
153 | */ | |
ae021d87 | 154 | if (skip_prefix(cmd, "--exec-path", &cmd)) { |
6acbcb92 | 155 | if (*cmd == '=') |
226c0ddd | 156 | git_set_exec_path(cmd + 1); |
6acbcb92 JS |
157 | else { |
158 | puts(git_exec_path()); | |
ee4512ed | 159 | trace2_cmd_name("_query_"); |
6acbcb92 JS |
160 | exit(0); |
161 | } | |
89a56bfb MH |
162 | } else if (!strcmp(cmd, "--html-path")) { |
163 | puts(system_path(GIT_HTML_PATH)); | |
ee4512ed | 164 | trace2_cmd_name("_query_"); |
89a56bfb | 165 | exit(0); |
f2dd8c37 JS |
166 | } else if (!strcmp(cmd, "--man-path")) { |
167 | puts(system_path(GIT_MAN_PATH)); | |
ee4512ed | 168 | trace2_cmd_name("_query_"); |
f2dd8c37 JS |
169 | exit(0); |
170 | } else if (!strcmp(cmd, "--info-path")) { | |
171 | puts(system_path(GIT_INFO_PATH)); | |
ee4512ed | 172 | trace2_cmd_name("_query_"); |
f2dd8c37 | 173 | exit(0); |
6acbcb92 | 174 | } else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) { |
4e10738a | 175 | use_pager = 1; |
7213c288 | 176 | } else if (!strcmp(cmd, "-P") || !strcmp(cmd, "--no-pager")) { |
4e10738a | 177 | use_pager = 0; |
463a849d MM |
178 | if (envchanged) |
179 | *envchanged = 1; | |
b0fa7ab5 | 180 | } else if (!strcmp(cmd, "--no-replace-objects")) { |
6ebd1caf | 181 | read_replace_refs = 0; |
6476b38b CC |
182 | setenv(NO_REPLACE_OBJECTS_ENVIRONMENT, "1", 1); |
183 | if (envchanged) | |
184 | *envchanged = 1; | |
6acbcb92 | 185 | } else if (!strcmp(cmd, "--git-dir")) { |
c321f00d | 186 | if (*argc < 2) { |
fc045fe7 | 187 | fprintf(stderr, _("no directory given for --git-dir\n" )); |
c321f00d BG |
188 | usage(git_usage_string); |
189 | } | |
45b09794 | 190 | setenv(GIT_DIR_ENVIRONMENT, (*argv)[1], 1); |
4394efec ML |
191 | if (envchanged) |
192 | *envchanged = 1; | |
6acbcb92 JS |
193 | (*argv)++; |
194 | (*argc)--; | |
ae021d87 JK |
195 | } else if (skip_prefix(cmd, "--git-dir=", &cmd)) { |
196 | setenv(GIT_DIR_ENVIRONMENT, cmd, 1); | |
4394efec ML |
197 | if (envchanged) |
198 | *envchanged = 1; | |
a1bea2c1 JT |
199 | } else if (!strcmp(cmd, "--namespace")) { |
200 | if (*argc < 2) { | |
fc045fe7 | 201 | fprintf(stderr, _("no namespace given for --namespace\n" )); |
a1bea2c1 JT |
202 | usage(git_usage_string); |
203 | } | |
204 | setenv(GIT_NAMESPACE_ENVIRONMENT, (*argv)[1], 1); | |
205 | if (envchanged) | |
206 | *envchanged = 1; | |
207 | (*argv)++; | |
208 | (*argc)--; | |
ae021d87 JK |
209 | } else if (skip_prefix(cmd, "--namespace=", &cmd)) { |
210 | setenv(GIT_NAMESPACE_ENVIRONMENT, cmd, 1); | |
a1bea2c1 JT |
211 | if (envchanged) |
212 | *envchanged = 1; | |
892c41b9 ML |
213 | } else if (!strcmp(cmd, "--work-tree")) { |
214 | if (*argc < 2) { | |
fc045fe7 | 215 | fprintf(stderr, _("no directory given for --work-tree\n" )); |
892c41b9 ML |
216 | usage(git_usage_string); |
217 | } | |
218 | setenv(GIT_WORK_TREE_ENVIRONMENT, (*argv)[1], 1); | |
4394efec ML |
219 | if (envchanged) |
220 | *envchanged = 1; | |
892c41b9 ML |
221 | (*argv)++; |
222 | (*argc)--; | |
ae021d87 JK |
223 | } else if (skip_prefix(cmd, "--work-tree=", &cmd)) { |
224 | setenv(GIT_WORK_TREE_ENVIRONMENT, cmd, 1); | |
4394efec ML |
225 | if (envchanged) |
226 | *envchanged = 1; | |
74866d75 BW |
227 | } else if (!strcmp(cmd, "--super-prefix")) { |
228 | if (*argc < 2) { | |
fc045fe7 | 229 | fprintf(stderr, _("no prefix given for --super-prefix\n" )); |
74866d75 BW |
230 | usage(git_usage_string); |
231 | } | |
232 | setenv(GIT_SUPER_PREFIX_ENVIRONMENT, (*argv)[1], 1); | |
233 | if (envchanged) | |
234 | *envchanged = 1; | |
235 | (*argv)++; | |
236 | (*argc)--; | |
237 | } else if (skip_prefix(cmd, "--super-prefix=", &cmd)) { | |
238 | setenv(GIT_SUPER_PREFIX_ENVIRONMENT, cmd, 1); | |
239 | if (envchanged) | |
240 | *envchanged = 1; | |
6acbcb92 | 241 | } else if (!strcmp(cmd, "--bare")) { |
4d3ab44d | 242 | char *cwd = xgetcwd(); |
6adcca3f | 243 | is_bare_repository_cfg = 1; |
4d3ab44d RS |
244 | setenv(GIT_DIR_ENVIRONMENT, cwd, 0); |
245 | free(cwd); | |
2cd83d10 | 246 | setenv(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, "0", 1); |
4394efec ML |
247 | if (envchanged) |
248 | *envchanged = 1; | |
8b1fa778 AR |
249 | } else if (!strcmp(cmd, "-c")) { |
250 | if (*argc < 2) { | |
fc045fe7 | 251 | fprintf(stderr, _("-c expects a configuration string\n" )); |
8b1fa778 AR |
252 | usage(git_usage_string); |
253 | } | |
2b64fc89 | 254 | git_config_push_parameter((*argv)[1]); |
8b1fa778 AR |
255 | (*argv)++; |
256 | (*argc)--; | |
823ab40f JK |
257 | } else if (!strcmp(cmd, "--literal-pathspecs")) { |
258 | setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "1", 1); | |
259 | if (envchanged) | |
260 | *envchanged = 1; | |
261 | } else if (!strcmp(cmd, "--no-literal-pathspecs")) { | |
262 | setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1); | |
263 | if (envchanged) | |
264 | *envchanged = 1; | |
bd30c2e4 NTND |
265 | } else if (!strcmp(cmd, "--glob-pathspecs")) { |
266 | setenv(GIT_GLOB_PATHSPECS_ENVIRONMENT, "1", 1); | |
267 | if (envchanged) | |
268 | *envchanged = 1; | |
269 | } else if (!strcmp(cmd, "--noglob-pathspecs")) { | |
270 | setenv(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, "1", 1); | |
271 | if (envchanged) | |
272 | *envchanged = 1; | |
93d93537 NTND |
273 | } else if (!strcmp(cmd, "--icase-pathspecs")) { |
274 | setenv(GIT_ICASE_PATHSPECS_ENVIRONMENT, "1", 1); | |
275 | if (envchanged) | |
276 | *envchanged = 1; | |
27344d6a JK |
277 | } else if (!strcmp(cmd, "--no-optional-locks")) { |
278 | setenv(GIT_OPTIONAL_LOCKS_ENVIRONMENT, "0", 1); | |
279 | if (envchanged) | |
280 | *envchanged = 1; | |
6035d6aa NTND |
281 | } else if (!strcmp(cmd, "--shallow-file")) { |
282 | (*argv)++; | |
283 | (*argc)--; | |
6a2df51c | 284 | set_alternate_shallow_file(the_repository, (*argv)[0], 1); |
6035d6aa NTND |
285 | if (envchanged) |
286 | *envchanged = 1; | |
44e1e4d6 NR |
287 | } else if (!strcmp(cmd, "-C")) { |
288 | if (*argc < 2) { | |
fc045fe7 | 289 | fprintf(stderr, _("no directory given for -C\n" )); |
44e1e4d6 NR |
290 | usage(git_usage_string); |
291 | } | |
6a536e20 KN |
292 | if ((*argv)[1][0]) { |
293 | if (chdir((*argv)[1])) | |
fc045fe7 | 294 | die_errno("cannot change to '%s'", (*argv)[1]); |
6a536e20 KN |
295 | if (envchanged) |
296 | *envchanged = 1; | |
297 | } | |
44e1e4d6 NR |
298 | (*argv)++; |
299 | (*argc)--; | |
0089521c | 300 | } else if (skip_prefix(cmd, "--list-cmds=", &cmd)) { |
ee4512ed | 301 | trace2_cmd_name("_query_"); |
0089521c | 302 | if (!strcmp(cmd, "parseopt")) { |
e5d7a619 NTND |
303 | struct string_list list = STRING_LIST_INIT_DUP; |
304 | int i; | |
305 | ||
306 | list_builtins(&list, NO_PARSEOPT); | |
307 | for (i = 0; i < list.nr; i++) | |
308 | printf("%s ", list.items[i].string); | |
309 | string_list_clear(&list, 0); | |
0089521c NTND |
310 | exit(0); |
311 | } else { | |
312 | exit(list_cmds(cmd)); | |
313 | } | |
6acbcb92 | 314 | } else { |
fc045fe7 | 315 | fprintf(stderr, _("unknown option: %s\n"), cmd); |
822a7d50 | 316 | usage(git_usage_string); |
6acbcb92 | 317 | } |
4ab243a9 JS |
318 | |
319 | (*argv)++; | |
320 | (*argc)--; | |
4ab243a9 | 321 | } |
73546c08 | 322 | return (*argv) - orig_argv; |
4ab243a9 JS |
323 | } |
324 | ||
2b11e317 JS |
325 | static int handle_alias(int *argcp, const char ***argv) |
326 | { | |
af05d679 | 327 | int envchanged = 0, ret = 0, saved_errno = errno; |
0347a8c7 | 328 | int count, option_count; |
4b25d091 | 329 | const char **new_argv; |
94351118 JK |
330 | const char *alias_command; |
331 | char *alias_string; | |
0347a8c7 ML |
332 | |
333 | alias_command = (*argv)[0]; | |
94351118 | 334 | alias_string = alias_lookup(alias_command); |
0347a8c7 | 335 | if (alias_string) { |
a9a60b94 RV |
336 | if (*argcp > 1 && !strcmp((*argv)[1], "-h")) |
337 | fprintf_ln(stderr, _("'%s' is aliased to '%s'"), | |
338 | alias_command, alias_string); | |
dfd42a3c | 339 | if (alias_string[0] == '!') { |
850d2fec | 340 | struct child_process child = CHILD_PROCESS_INIT; |
a9bcf658 JS |
341 | int nongit_ok; |
342 | ||
343 | /* Aliases expect GIT_PREFIX, GIT_DIR etc to be set */ | |
344 | setup_git_directory_gently(&nongit_ok); | |
7f51f8bc | 345 | |
030149a4 | 346 | commit_pager_choice(); |
7f51f8bc | 347 | |
850d2fec | 348 | child.use_shell = 1; |
c0d73a59 TA |
349 | child.clean_on_exit = 1; |
350 | child.wait_after_clean = 1; | |
ee4512ed | 351 | child.trace2_child_class = "shell_alias"; |
ef8d7ac4 JK |
352 | strvec_push(&child.args, alias_string + 1); |
353 | strvec_pushv(&child.args, (*argv) + 1); | |
7f51f8bc | 354 | |
d70a9eb6 | 355 | trace2_cmd_alias(alias_command, child.args.v); |
ee4512ed | 356 | trace2_cmd_list_config(); |
3d3adaad | 357 | trace2_cmd_list_env_vars(); |
ee4512ed JH |
358 | trace2_cmd_name("_run_shell_alias_"); |
359 | ||
850d2fec | 360 | ret = run_command(&child); |
7f51f8bc EFL |
361 | if (ret >= 0) /* normal exit */ |
362 | exit(ret); | |
363 | ||
8aa8c140 NTND |
364 | die_errno(_("while expanding alias '%s': '%s'"), |
365 | alias_command, alias_string + 1); | |
dfd42a3c | 366 | } |
0347a8c7 | 367 | count = split_cmdline(alias_string, &new_argv); |
dc4179f9 | 368 | if (count < 0) |
8aa8c140 | 369 | die(_("bad alias.%s string: %s"), alias_command, |
a7412ae1 | 370 | _(split_cmdline_strerror(count))); |
4394efec ML |
371 | option_count = handle_options(&new_argv, &count, &envchanged); |
372 | if (envchanged) | |
8aa8c140 NTND |
373 | die(_("alias '%s' changes environment variables.\n" |
374 | "You can use '!git' in the alias to do this"), | |
375 | alias_command); | |
7bd97d6d | 376 | MOVE_ARRAY(new_argv - option_count, new_argv, count); |
0347a8c7 ML |
377 | new_argv -= option_count; |
378 | ||
379 | if (count < 1) | |
8aa8c140 | 380 | die(_("empty alias for %s"), alias_command); |
0347a8c7 ML |
381 | |
382 | if (!strcmp(alias_command, new_argv[0])) | |
8aa8c140 | 383 | die(_("recursive alias: %s"), alias_command); |
0347a8c7 | 384 | |
b319ce4c | 385 | trace_argv_printf(new_argv, |
6ce4e61f CC |
386 | "trace: alias expansion: %s =>", |
387 | alias_command); | |
575ba9d6 | 388 | |
2756ca43 | 389 | REALLOC_ARRAY(new_argv, count + *argcp); |
0347a8c7 | 390 | /* insert after command name */ |
7bd97d6d | 391 | COPY_ARRAY(new_argv + count, *argv + 1, *argcp); |
2b11e317 | 392 | |
ee4512ed JH |
393 | trace2_cmd_alias(alias_command, new_argv); |
394 | trace2_cmd_list_config(); | |
3d3adaad | 395 | trace2_cmd_list_env_vars(); |
ee4512ed | 396 | |
0347a8c7 ML |
397 | *argv = new_argv; |
398 | *argcp += count - 1; | |
2b11e317 | 399 | |
0347a8c7 | 400 | ret = 1; |
2b11e317 JS |
401 | } |
402 | ||
47e5c0ca JS |
403 | errno = saved_errno; |
404 | ||
2b11e317 JS |
405 | return ret; |
406 | } | |
407 | ||
f172f334 | 408 | static int run_builtin(struct cmd_struct *p, int argc, const char **argv) |
47d0b4ff | 409 | { |
99caeed0 | 410 | int status, help; |
0f157315 | 411 | struct stat st; |
47d0b4ff LT |
412 | const char *prefix; |
413 | ||
414 | prefix = NULL; | |
99caeed0 JN |
415 | help = argc == 2 && !strcmp(argv[1], "-h"); |
416 | if (!help) { | |
417 | if (p->option & RUN_SETUP) | |
418 | prefix = setup_git_directory(); | |
27bd38d4 | 419 | else if (p->option & RUN_SETUP_GENTLY) { |
ee38dfb8 NTND |
420 | int nongit_ok; |
421 | prefix = setup_git_directory_gently(&nongit_ok); | |
422 | } | |
99caeed0 | 423 | |
c409824c MÅ |
424 | if (use_pager == -1 && p->option & (RUN_SETUP | RUN_SETUP_GENTLY) && |
425 | !(p->option & DELAY_PAGER_CONFIG)) | |
99caeed0 JN |
426 | use_pager = check_pager_config(p->cmd); |
427 | if (use_pager == -1 && p->option & USE_PAGER) | |
428 | use_pager = 1; | |
a9ca8a85 NTND |
429 | |
430 | if ((p->option & (RUN_SETUP | RUN_SETUP_GENTLY)) && | |
431 | startup_info->have_repository) /* get_git_dir() may set up repo, avoid that */ | |
432 | trace_repo_setup(prefix); | |
99caeed0 | 433 | } |
4e10738a JK |
434 | commit_pager_choice(); |
435 | ||
74866d75 BW |
436 | if (!help && get_super_prefix()) { |
437 | if (!(p->option & SUPPORT_SUPER_PREFIX)) | |
8aa8c140 | 438 | die(_("%s doesn't support --super-prefix"), p->cmd); |
74866d75 BW |
439 | } |
440 | ||
99caeed0 | 441 | if (!help && p->option & NEED_WORK_TREE) |
59f0f2f3 MH |
442 | setup_work_tree(); |
443 | ||
b319ce4c | 444 | trace_argv_printf(argv, "trace: built-in: git"); |
ee4512ed JH |
445 | trace2_cmd_name(p->cmd); |
446 | trace2_cmd_list_config(); | |
3d3adaad | 447 | trace2_cmd_list_env_vars(); |
47d0b4ff | 448 | |
f8adbec9 | 449 | validate_cache_entries(the_repository->index); |
0f157315 | 450 | status = p->fn(argc, argv, prefix); |
f8adbec9 | 451 | validate_cache_entries(the_repository->index); |
8616a2d0 | 452 | |
0f157315 | 453 | if (status) |
47e3de0e | 454 | return status; |
0f157315 LT |
455 | |
456 | /* Somebody closed stdout? */ | |
457 | if (fstat(fileno(stdout), &st)) | |
458 | return 0; | |
459 | /* Ignore write errors for pipes and sockets.. */ | |
460 | if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode)) | |
461 | return 0; | |
462 | ||
463 | /* Check for ENOSPC and EIO errors.. */ | |
0227f988 | 464 | if (fflush(stdout)) |
8aa8c140 | 465 | die_errno(_("write failure on standard output")); |
0227f988 | 466 | if (ferror(stdout)) |
8aa8c140 | 467 | die(_("unknown write failure on standard output")); |
0227f988 | 468 | if (fclose(stdout)) |
8aa8c140 | 469 | die_errno(_("close failed on standard output")); |
0f157315 | 470 | return 0; |
47d0b4ff LT |
471 | } |
472 | ||
c6127fa3 SS |
473 | static struct cmd_struct commands[] = { |
474 | { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE }, | |
783d7e86 | 475 | { "am", cmd_am, RUN_SETUP | NEED_WORK_TREE }, |
e9547947 | 476 | { "annotate", cmd_annotate, RUN_SETUP | NO_PARSEOPT }, |
c6127fa3 | 477 | { "apply", cmd_apply, RUN_SETUP_GENTLY }, |
eb0224c6 | 478 | { "archive", cmd_archive, RUN_SETUP_GENTLY }, |
c6127fa3 SS |
479 | { "bisect--helper", cmd_bisect__helper, RUN_SETUP }, |
480 | { "blame", cmd_blame, RUN_SETUP }, | |
d74b541e | 481 | { "branch", cmd_branch, RUN_SETUP | DELAY_PAGER_CONFIG }, |
e9547947 | 482 | { "bundle", cmd_bundle, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
c6127fa3 SS |
483 | { "cat-file", cmd_cat_file, RUN_SETUP }, |
484 | { "check-attr", cmd_check_attr, RUN_SETUP }, | |
485 | { "check-ignore", cmd_check_ignore, RUN_SETUP | NEED_WORK_TREE }, | |
486 | { "check-mailmap", cmd_check_mailmap, RUN_SETUP }, | |
e9547947 | 487 | { "check-ref-format", cmd_check_ref_format, NO_PARSEOPT }, |
0ca560cb | 488 | { "checkout", cmd_checkout, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 SS |
489 | { "checkout-index", cmd_checkout_index, |
490 | RUN_SETUP | NEED_WORK_TREE}, | |
491 | { "cherry", cmd_cherry, RUN_SETUP }, | |
492 | { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE }, | |
493 | { "clean", cmd_clean, RUN_SETUP | NEED_WORK_TREE }, | |
86d26f24 | 494 | { "clone", cmd_clone }, |
c6127fa3 SS |
495 | { "column", cmd_column, RUN_SETUP_GENTLY }, |
496 | { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE }, | |
4ce58ee3 | 497 | { "commit-graph", cmd_commit_graph, RUN_SETUP }, |
e9547947 | 498 | { "commit-tree", cmd_commit_tree, RUN_SETUP | NO_PARSEOPT }, |
32888b8f | 499 | { "config", cmd_config, RUN_SETUP_GENTLY | DELAY_PAGER_CONFIG }, |
c6127fa3 | 500 | { "count-objects", cmd_count_objects, RUN_SETUP }, |
e9547947 | 501 | { "credential", cmd_credential, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
c6127fa3 | 502 | { "describe", cmd_describe, RUN_SETUP }, |
e9547947 NTND |
503 | { "diff", cmd_diff, NO_PARSEOPT }, |
504 | { "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
505 | { "diff-index", cmd_diff_index, RUN_SETUP | NO_PARSEOPT }, | |
506 | { "diff-tree", cmd_diff_tree, RUN_SETUP | NO_PARSEOPT }, | |
20de316e | 507 | { "difftool", cmd_difftool, RUN_SETUP_GENTLY }, |
b4f207f3 | 508 | { "env--helper", cmd_env__helper }, |
c6127fa3 SS |
509 | { "fast-export", cmd_fast_export, RUN_SETUP }, |
510 | { "fetch", cmd_fetch, RUN_SETUP }, | |
e9547947 | 511 | { "fetch-pack", cmd_fetch_pack, RUN_SETUP | NO_PARSEOPT }, |
c6127fa3 SS |
512 | { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP }, |
513 | { "for-each-ref", cmd_for_each_ref, RUN_SETUP }, | |
514 | { "format-patch", cmd_format_patch, RUN_SETUP }, | |
515 | { "fsck", cmd_fsck, RUN_SETUP }, | |
516 | { "fsck-objects", cmd_fsck, RUN_SETUP }, | |
517 | { "gc", cmd_gc, RUN_SETUP }, | |
e9547947 | 518 | { "get-tar-commit-id", cmd_get_tar_commit_id, NO_PARSEOPT }, |
f9ee2fcd | 519 | { "grep", cmd_grep, RUN_SETUP_GENTLY }, |
c6127fa3 SS |
520 | { "hash-object", cmd_hash_object }, |
521 | { "help", cmd_help }, | |
e9547947 | 522 | { "index-pack", cmd_index_pack, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
86d26f24 NTND |
523 | { "init", cmd_init_db }, |
524 | { "init-db", cmd_init_db }, | |
cbd9fc23 | 525 | { "interpret-trailers", cmd_interpret_trailers, RUN_SETUP_GENTLY }, |
c6127fa3 | 526 | { "log", cmd_log, RUN_SETUP }, |
188dce13 | 527 | { "ls-files", cmd_ls_files, RUN_SETUP }, |
c6127fa3 SS |
528 | { "ls-remote", cmd_ls_remote, RUN_SETUP_GENTLY }, |
529 | { "ls-tree", cmd_ls_tree, RUN_SETUP }, | |
e9547947 NTND |
530 | { "mailinfo", cmd_mailinfo, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
531 | { "mailsplit", cmd_mailsplit, NO_PARSEOPT }, | |
c6127fa3 SS |
532 | { "merge", cmd_merge, RUN_SETUP | NEED_WORK_TREE }, |
533 | { "merge-base", cmd_merge_base, RUN_SETUP }, | |
534 | { "merge-file", cmd_merge_file, RUN_SETUP_GENTLY }, | |
e9547947 NTND |
535 | { "merge-index", cmd_merge_index, RUN_SETUP | NO_PARSEOPT }, |
536 | { "merge-ours", cmd_merge_ours, RUN_SETUP | NO_PARSEOPT }, | |
537 | { "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
538 | { "merge-recursive-ours", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
539 | { "merge-recursive-theirs", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
540 | { "merge-subtree", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT }, | |
541 | { "merge-tree", cmd_merge_tree, RUN_SETUP | NO_PARSEOPT }, | |
542 | { "mktag", cmd_mktag, RUN_SETUP | NO_PARSEOPT }, | |
c6127fa3 | 543 | { "mktree", cmd_mktree, RUN_SETUP }, |
6a257f03 | 544 | { "multi-pack-index", cmd_multi_pack_index, RUN_SETUP_GENTLY }, |
c6127fa3 SS |
545 | { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE }, |
546 | { "name-rev", cmd_name_rev, RUN_SETUP }, | |
547 | { "notes", cmd_notes, RUN_SETUP }, | |
548 | { "pack-objects", cmd_pack_objects, RUN_SETUP }, | |
e9547947 | 549 | { "pack-redundant", cmd_pack_redundant, RUN_SETUP | NO_PARSEOPT }, |
c6127fa3 | 550 | { "pack-refs", cmd_pack_refs, RUN_SETUP }, |
e9547947 | 551 | { "patch-id", cmd_patch_id, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
c6127fa3 SS |
552 | { "pickaxe", cmd_blame, RUN_SETUP }, |
553 | { "prune", cmd_prune, RUN_SETUP }, | |
554 | { "prune-packed", cmd_prune_packed, RUN_SETUP }, | |
1e1ea69f | 555 | { "pull", cmd_pull, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 | 556 | { "push", cmd_push, RUN_SETUP }, |
348ae56c | 557 | { "range-diff", cmd_range_diff, RUN_SETUP | USE_PAGER }, |
3d415425 | 558 | { "read-tree", cmd_read_tree, RUN_SETUP | SUPPORT_SUPER_PREFIX}, |
80dfc924 | 559 | { "rebase", cmd_rebase, RUN_SETUP | NEED_WORK_TREE }, |
cf808208 | 560 | { "rebase--interactive", cmd_rebase__interactive, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 SS |
561 | { "receive-pack", cmd_receive_pack }, |
562 | { "reflog", cmd_reflog, RUN_SETUP }, | |
563 | { "remote", cmd_remote, RUN_SETUP }, | |
e9547947 NTND |
564 | { "remote-ext", cmd_remote_ext, NO_PARSEOPT }, |
565 | { "remote-fd", cmd_remote_fd, NO_PARSEOPT }, | |
c6127fa3 SS |
566 | { "repack", cmd_repack, RUN_SETUP }, |
567 | { "replace", cmd_replace, RUN_SETUP }, | |
568 | { "rerere", cmd_rerere, RUN_SETUP }, | |
569 | { "reset", cmd_reset, RUN_SETUP }, | |
46e91b66 | 570 | { "restore", cmd_restore, RUN_SETUP | NEED_WORK_TREE }, |
e9547947 NTND |
571 | { "rev-list", cmd_rev_list, RUN_SETUP | NO_PARSEOPT }, |
572 | { "rev-parse", cmd_rev_parse, NO_PARSEOPT }, | |
c6127fa3 SS |
573 | { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE }, |
574 | { "rm", cmd_rm, RUN_SETUP }, | |
575 | { "send-pack", cmd_send_pack, RUN_SETUP }, | |
576 | { "shortlog", cmd_shortlog, RUN_SETUP_GENTLY | USE_PAGER }, | |
577 | { "show", cmd_show, RUN_SETUP }, | |
578 | { "show-branch", cmd_show_branch, RUN_SETUP }, | |
88a09a55 | 579 | { "show-index", cmd_show_index, RUN_SETUP_GENTLY }, |
c6127fa3 | 580 | { "show-ref", cmd_show_ref, RUN_SETUP }, |
94c0956b | 581 | { "sparse-checkout", cmd_sparse_checkout, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 | 582 | { "stage", cmd_add, RUN_SETUP | NEED_WORK_TREE }, |
8a2cd3f5 | 583 | { "stash", cmd_stash, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 SS |
584 | { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE }, |
585 | { "stripspace", cmd_stripspace }, | |
e9547947 | 586 | { "submodule--helper", cmd_submodule__helper, RUN_SETUP | SUPPORT_SUPER_PREFIX | NO_PARSEOPT }, |
d787d311 | 587 | { "switch", cmd_switch, RUN_SETUP | NEED_WORK_TREE }, |
c6127fa3 | 588 | { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP }, |
de121ffe | 589 | { "tag", cmd_tag, RUN_SETUP | DELAY_PAGER_CONFIG }, |
e9547947 NTND |
590 | { "unpack-file", cmd_unpack_file, RUN_SETUP | NO_PARSEOPT }, |
591 | { "unpack-objects", cmd_unpack_objects, RUN_SETUP | NO_PARSEOPT }, | |
c6127fa3 SS |
592 | { "update-index", cmd_update_index, RUN_SETUP }, |
593 | { "update-ref", cmd_update_ref, RUN_SETUP }, | |
594 | { "update-server-info", cmd_update_server_info, RUN_SETUP }, | |
e9547947 NTND |
595 | { "upload-archive", cmd_upload_archive, NO_PARSEOPT }, |
596 | { "upload-archive--writer", cmd_upload_archive_writer, NO_PARSEOPT }, | |
a3d6b53e | 597 | { "upload-pack", cmd_upload_pack }, |
e9547947 | 598 | { "var", cmd_var, RUN_SETUP_GENTLY | NO_PARSEOPT }, |
d07b00b7 | 599 | { "verify-commit", cmd_verify_commit, RUN_SETUP }, |
c6127fa3 SS |
600 | { "verify-pack", cmd_verify_pack }, |
601 | { "verify-tag", cmd_verify_tag, RUN_SETUP }, | |
602 | { "version", cmd_version }, | |
603 | { "whatchanged", cmd_whatchanged, RUN_SETUP }, | |
e9547947 | 604 | { "worktree", cmd_worktree, RUN_SETUP | NO_PARSEOPT }, |
c6127fa3 SS |
605 | { "write-tree", cmd_write_tree, RUN_SETUP }, |
606 | }; | |
607 | ||
c4f901d1 | 608 | static struct cmd_struct *get_builtin(const char *s) |
c6127fa3 SS |
609 | { |
610 | int i; | |
611 | for (i = 0; i < ARRAY_SIZE(commands); i++) { | |
c4f901d1 | 612 | struct cmd_struct *p = commands + i; |
c6127fa3 | 613 | if (!strcmp(s, p->cmd)) |
c4f901d1 | 614 | return p; |
c6127fa3 | 615 | } |
c4f901d1 SV |
616 | return NULL; |
617 | } | |
618 | ||
619 | int is_builtin(const char *s) | |
620 | { | |
621 | return !!get_builtin(s); | |
c6127fa3 SS |
622 | } |
623 | ||
e5d7a619 | 624 | static void list_builtins(struct string_list *out, unsigned int exclude_option) |
8893fd95 JK |
625 | { |
626 | int i; | |
e9547947 NTND |
627 | for (i = 0; i < ARRAY_SIZE(commands); i++) { |
628 | if (exclude_option && | |
629 | (commands[i].option & exclude_option)) | |
630 | continue; | |
e5d7a619 | 631 | string_list_append(out, commands[i].cmd); |
e9547947 | 632 | } |
8893fd95 JK |
633 | } |
634 | ||
63ca1c09 AK |
635 | #ifdef STRIP_EXTENSION |
636 | static void strip_extension(const char **argv) | |
637 | { | |
638 | size_t len; | |
639 | ||
640 | if (strip_suffix(argv[0], STRIP_EXTENSION, &len)) | |
641 | argv[0] = xmemdupz(argv[0], len); | |
642 | } | |
643 | #else | |
644 | #define strip_extension(cmd) | |
645 | #endif | |
646 | ||
3f784a4d | 647 | static void handle_builtin(int argc, const char **argv) |
231af832 | 648 | { |
ef8d7ac4 | 649 | struct strvec args = STRVEC_INIT; |
63ca1c09 | 650 | const char *cmd; |
c4f901d1 | 651 | struct cmd_struct *builtin; |
23326d14 | 652 | |
63ca1c09 AK |
653 | strip_extension(argv); |
654 | cmd = argv[0]; | |
231af832 | 655 | |
2c6b6d9f | 656 | /* Turn "git cmd --help" into "git help --exclude-guides cmd" */ |
1cd95087 | 657 | if (argc > 1 && !strcmp(argv[1], "--help")) { |
2c6b6d9f RT |
658 | int i; |
659 | ||
1cd95087 LT |
660 | argv[1] = argv[0]; |
661 | argv[0] = cmd = "help"; | |
2c6b6d9f RT |
662 | |
663 | for (i = 0; i < argc; i++) { | |
ef8d7ac4 | 664 | strvec_push(&args, argv[i]); |
2c6b6d9f | 665 | if (!i) |
ef8d7ac4 | 666 | strvec_push(&args, "--exclude-guides"); |
2c6b6d9f RT |
667 | } |
668 | ||
669 | argc++; | |
d70a9eb6 | 670 | argv = args.v; |
1cd95087 LT |
671 | } |
672 | ||
c4f901d1 | 673 | builtin = get_builtin(cmd); |
441981bc JH |
674 | if (builtin) |
675 | exit(run_builtin(builtin, argc, argv)); | |
ef8d7ac4 | 676 | strvec_clear(&args); |
231af832 LT |
677 | } |
678 | ||
7550be0a JH |
679 | static void execv_dashed_external(const char **argv) |
680 | { | |
2b296c93 | 681 | struct child_process cmd = CHILD_PROCESS_INIT; |
d8e96fd8 | 682 | int status; |
7550be0a | 683 | |
74866d75 | 684 | if (get_super_prefix()) |
8aa8c140 | 685 | die(_("%s doesn't support --super-prefix"), argv[0]); |
74866d75 | 686 | |
595d59e2 | 687 | if (use_pager == -1 && !is_builtin(argv[0])) |
92058e4d | 688 | use_pager = check_pager_config(argv[0]); |
030149a4 JN |
689 | commit_pager_choice(); |
690 | ||
ef8d7ac4 JK |
691 | strvec_pushf(&cmd.args, "git-%s", argv[0]); |
692 | strvec_pushv(&cmd.args, argv + 1); | |
2b296c93 | 693 | cmd.clean_on_exit = 1; |
46df6906 | 694 | cmd.wait_after_clean = 1; |
2b296c93 | 695 | cmd.silent_exec_failure = 1; |
ee4512ed | 696 | cmd.trace2_child_class = "dashed"; |
7550be0a | 697 | |
ee4512ed JH |
698 | trace2_cmd_name("_run_dashed_"); |
699 | ||
700 | /* | |
701 | * The code in run_command() logs trace2 child_start/child_exit | |
702 | * events, so we do not need to report exec/exec_result events here. | |
703 | */ | |
d70a9eb6 | 704 | trace_argv_printf(cmd.args.v, "trace: exec:"); |
7550be0a | 705 | |
d8e96fd8 | 706 | /* |
246f0ede JK |
707 | * If we fail because the command is not found, it is |
708 | * OK to return. Otherwise, we just pass along the status code, | |
709 | * or our usual generic code if we were not even able to exec | |
710 | * the program. | |
d8e96fd8 | 711 | */ |
2b296c93 | 712 | status = run_command(&cmd); |
ee4512ed JH |
713 | |
714 | /* | |
715 | * If the child process ran and we are now going to exit, emit a | |
716 | * generic string as our trace2 command verb to indicate that we | |
717 | * launched a dashed command. | |
718 | */ | |
246f0ede | 719 | if (status >= 0) |
5709e036 | 720 | exit(status); |
246f0ede JK |
721 | else if (errno != ENOENT) |
722 | exit(128); | |
7550be0a JH |
723 | } |
724 | ||
a907e1b6 AS |
725 | static int run_argv(int *argcp, const char ***argv) |
726 | { | |
727 | int done_alias = 0; | |
c6d75bc1 | 728 | struct string_list cmd_list = STRING_LIST_INIT_NODUP; |
82f71d9a | 729 | struct string_list_item *seen; |
a907e1b6 AS |
730 | |
731 | while (1) { | |
441981bc JH |
732 | /* |
733 | * If we tried alias and futzed with our environment, | |
734 | * it no longer is safe to invoke builtins directly in | |
735 | * general. We have to spawn them as dashed externals. | |
736 | * | |
737 | * NEEDSWORK: if we can figure out cases | |
738 | * where it is safe to do, we can avoid spawning a new | |
739 | * process. | |
740 | */ | |
741 | if (!done_alias) | |
742 | handle_builtin(*argcp, *argv); | |
ee4512ed | 743 | else if (get_builtin(**argv)) { |
ef8d7ac4 | 744 | struct strvec args = STRVEC_INIT; |
ee4512ed JH |
745 | int i; |
746 | ||
747 | /* | |
748 | * The current process is committed to launching a | |
749 | * child process to run the command named in (**argv) | |
750 | * and exiting. Log a generic string as the trace2 | |
751 | * command verb to indicate this. Note that the child | |
752 | * process will log the actual verb when it runs. | |
753 | */ | |
754 | trace2_cmd_name("_run_git_alias_"); | |
755 | ||
756 | if (get_super_prefix()) | |
757 | die("%s doesn't support --super-prefix", **argv); | |
758 | ||
759 | commit_pager_choice(); | |
760 | ||
ef8d7ac4 | 761 | strvec_push(&args, "git"); |
ee4512ed | 762 | for (i = 0; i < *argcp; i++) |
ef8d7ac4 | 763 | strvec_push(&args, (*argv)[i]); |
ee4512ed | 764 | |
d70a9eb6 | 765 | trace_argv_printf(args.v, "trace: exec:"); |
ee4512ed JH |
766 | |
767 | /* | |
768 | * if we fail because the command is not found, it is | |
769 | * OK to return. Otherwise, we just pass along the status code. | |
770 | */ | |
d70a9eb6 | 771 | i = run_command_v_opt_tr2(args.v, RUN_SILENT_EXEC_FAILURE | |
e662df7e | 772 | RUN_CLEAN_ON_EXIT | RUN_WAIT_AFTER_CLEAN, "git_alias"); |
ee4512ed JH |
773 | if (i >= 0 || errno != ENOENT) |
774 | exit(i); | |
775 | die("could not execute builtin %s", **argv); | |
776 | } | |
ee4512ed | 777 | |
a907e1b6 AS |
778 | /* .. then try the external ones */ |
779 | execv_dashed_external(*argv); | |
780 | ||
82f71d9a TS |
781 | seen = unsorted_string_list_lookup(&cmd_list, *argv[0]); |
782 | if (seen) { | |
783 | int i; | |
784 | struct strbuf sb = STRBUF_INIT; | |
785 | for (i = 0; i < cmd_list.nr; i++) { | |
786 | struct string_list_item *item = &cmd_list.items[i]; | |
787 | ||
788 | strbuf_addf(&sb, "\n %s", item->string); | |
789 | if (item == seen) | |
790 | strbuf_addstr(&sb, " <=="); | |
791 | else if (i == cmd_list.nr - 1) | |
792 | strbuf_addstr(&sb, " ==>"); | |
793 | } | |
c6d75bc1 | 794 | die(_("alias loop detected: expansion of '%s' does" |
82f71d9a | 795 | " not terminate:%s"), cmd_list.items[0].string, sb.buf); |
c6d75bc1 TS |
796 | } |
797 | ||
798 | string_list_append(&cmd_list, *argv[0]); | |
799 | ||
800 | /* | |
801 | * It could be an alias -- this works around the insanity | |
a907e1b6 AS |
802 | * of overriding "git log" with "git show" by having |
803 | * alias.log = show | |
804 | */ | |
c0562611 | 805 | if (!handle_alias(argcp, argv)) |
a907e1b6 AS |
806 | break; |
807 | done_alias = 1; | |
808 | } | |
809 | ||
c6d75bc1 TS |
810 | string_list_clear(&cmd_list, 0); |
811 | ||
a907e1b6 AS |
812 | return done_alias; |
813 | } | |
814 | ||
3f2e2297 | 815 | int cmd_main(int argc, const char **argv) |
8e49d503 | 816 | { |
4dd47c3b | 817 | const char *cmd; |
8fa7975b | 818 | int done_help = 0; |
231af832 | 819 | |
650c4492 | 820 | cmd = argv[0]; |
2cd72b0b | 821 | if (!cmd) |
4dd47c3b | 822 | cmd = "git-help"; |
6854a8f5 JK |
823 | else { |
824 | const char *slash = find_last_dir_sep(cmd); | |
825 | if (slash) | |
826 | cmd = slash + 1; | |
827 | } | |
8e49d503 | 828 | |
578da039 KB |
829 | trace_command_performance(argv); |
830 | ||
231af832 LT |
831 | /* |
832 | * "git-xxxx" is the same as "git xxxx", but we obviously: | |
833 | * | |
834 | * - cannot take flags in between the "git" and the "xxxx". | |
835 | * - cannot execute it externally (since it would just do | |
836 | * the same thing over again) | |
837 | * | |
3f784a4d SS |
838 | * So we just directly call the builtin handler, and die if |
839 | * that one cannot handle it. | |
231af832 | 840 | */ |
ae021d87 | 841 | if (skip_prefix(cmd, "git-", &cmd)) { |
231af832 | 842 | argv[0] = cmd; |
3f784a4d | 843 | handle_builtin(argc, argv); |
8aa8c140 | 844 | die(_("cannot handle %s as a builtin"), cmd); |
231af832 | 845 | } |
8e49d503 | 846 | |
231af832 | 847 | /* Look for flags.. */ |
6acbcb92 JS |
848 | argv++; |
849 | argc--; | |
4394efec | 850 | handle_options(&argv, &argc, NULL); |
6acbcb92 | 851 | if (argc > 0) { |
6d877803 JK |
852 | /* translate --help and --version into commands */ |
853 | skip_prefix(argv[0], "--", &argv[0]); | |
6acbcb92 | 854 | } else { |
3d7e2d85 | 855 | /* The user didn't specify a command; give them help */ |
73e25e7c | 856 | commit_pager_choice(); |
8aa8c140 | 857 | printf(_("usage: %s\n\n"), git_usage_string); |
3d7e2d85 | 858 | list_common_cmds_help(); |
421a9769 | 859 | printf("\n%s\n", _(git_more_info_string)); |
3d7e2d85 | 860 | exit(1); |
97fc6c5f | 861 | } |
6acbcb92 | 862 | cmd = argv[0]; |
231af832 LT |
863 | |
864 | /* | |
511707d4 | 865 | * We use PATH to find git commands, but we prepend some higher |
3ea3c215 | 866 | * precedence paths: the "--exec-path" option, the GIT_EXEC_PATH |
511707d4 SP |
867 | * environment, and the $(gitexecdir) from the Makefile at build |
868 | * time. | |
231af832 | 869 | */ |
e1464ca7 | 870 | setup_path(); |
8e49d503 | 871 | |
a025463b | 872 | while (1) { |
8fa7975b | 873 | int was_alias = run_argv(&argc, &argv); |
a907e1b6 | 874 | if (errno != ENOENT) |
a025463b | 875 | break; |
a907e1b6 | 876 | if (was_alias) { |
fc045fe7 AS |
877 | fprintf(stderr, _("expansion of alias '%s' failed; " |
878 | "'%s' is not a git command\n"), | |
f3dd015c TT |
879 | cmd, argv[0]); |
880 | exit(1); | |
881 | } | |
a907e1b6 AS |
882 | if (!done_help) { |
883 | cmd = argv[0] = help_unknown_cmd(cmd); | |
884 | done_help = 1; | |
885 | } else | |
886 | break; | |
f3dd015c | 887 | } |
10b15b86 | 888 | |
fc045fe7 | 889 | fprintf(stderr, _("failed to run command '%s': %s\n"), |
33ebb871 | 890 | cmd, strerror(errno)); |
8e49d503 AE |
891 | |
892 | return 1; | |
893 | } |