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chromium / external / github.com / git / git / refs/tags/v2.35.6 / . / git.c
blob: edda922ce6d423b8b734b47b979f4912b9a4d281 [file] [log] [blame]
Junio C Hamano85023572006-12-19 22:34:12[diff] [blame]1#include "builtin.h"
Brandon Williamsb2141fc2017-06-14 18:07:36[diff] [blame]2#include "config.h"
Stefan Bellerd807c4a2018-04-10 21:26:18[diff] [blame]3#include "exec-cmd.h"
Thiago Farinafd5c3632010-09-01 02:29:08[diff] [blame]4#include "help.h"
Jeff Kingd8e96fd2009-01-28 07:38:14[diff] [blame]5#include "run-command.h"
Nguyễn Thái Ngọc Duy65b5f942018-05-20 18:40:06[diff] [blame]6#include "alias.h"
Taylor Blau120ad2b2020-04-30 19:48:50[diff] [blame]7#include "shallow.h"
Andreas Ericsson8e49d502005-11-15 23:31:25[diff] [blame]8
Nguyễn Thái Ngọc Duy007aa8d2018-03-24 20:35:18[diff] [blame]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)
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]19#define NO_PARSEOPT (1<<6) /* parse-options is not used */
Nguyễn Thái Ngọc Duy007aa8d2018-03-24 20:35:18[diff] [blame]20
21struct cmd_struct {
22 const char *cmd;
23 int (*fn)(int, const char **, const char *);
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]24 unsigned int option;
Nguyễn Thái Ngọc Duy007aa8d2018-03-24 20:35:18[diff] [blame]25};
26
Ramsay Allan Jones822a7d52006-07-30 21:42:25[diff] [blame]27const char git_usage_string[] =
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]28 N_("git [--version] [--help] [-C <path>] [-c <name>=<value>]\n"
29 " [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]\n"
Johannes Sixt7213c282018-05-03 17:15:08[diff] [blame]30 " [-p | --paginate | -P | --no-pager] [--no-replace-objects] [--bare]\n"
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]31 " [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]\n"
Patrick Steinhardtce81b1d2021-01-12 12:26:45[diff] [blame]32 " [--super-prefix=<path>] [--config-env=<name>=<envvar>]\n"
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]33 " <command> [<args>]");
Ramsay Allan Jones822a7d52006-07-30 21:42:25[diff] [blame]34
Teemu Likonenb7d96812008-06-05 21:15:36[diff] [blame]35const char git_more_info_string[] =
Alex Henriead5fe372014-08-30 19:56:01[diff] [blame]36 N_("'git help -a' and 'git help -g' list available subcommands and some\n"
Philip Oakley73903d02013-04-02 22:39:48[diff] [blame]37 "concept guides. See 'git help <command>' or 'git help <concept>'\n"
Philip Oakleye55f36b2019-05-15 22:47:08[diff] [blame]38 "to read about a specific subcommand or concept.\n"
39 "See 'git help git' for an overview of the system.");
Teemu Likonenb7d96812008-06-05 21:15:36[diff] [blame]40
Jeff King4e107382008-07-03 11:46:57[diff] [blame]41static int use_pager = -1;
Nguyễn Thái Ngọc Duyc0562612014-06-08 09:37:10[diff] [blame]42
Nguyễn Thái Ngọc Duye5d7a612018-05-20 18:39:58[diff] [blame]43static void list_builtins(struct string_list *list, unsigned int exclude_option);
Jeff King8893fd92017-05-30 05:18:43[diff] [blame]44
Nguyễn Thái Ngọc Duye11dca12018-05-20 18:40:07[diff] [blame]45static void exclude_helpers_from_list(struct string_list *list)
46{
47 int i = 0;
48
49 while (i < list->nr) {
50 if (strstr(list->items[i].string, "--"))
51 unsorted_string_list_delete_item(list, i, 0);
52 else
53 i++;
54 }
55}
56
Nguyễn Thái Ngọc Duy00895212018-05-20 18:39:57[diff] [blame]57static int match_token(const char *spec, int len, const char *token)
58{
59 int token_len = strlen(token);
60
61 return len == token_len && !strncmp(spec, token, token_len);
62}
63
64static int list_cmds(const char *spec)
65{
Nguyễn Thái Ngọc Duye5d7a612018-05-20 18:39:58[diff] [blame]66 struct string_list list = STRING_LIST_INIT_DUP;
67 int i;
Jeff King83b0ecf2019-03-20 18:03:26[diff] [blame]68 int nongit;
69
70 /*
71 * Set up the repository so we can pick up any repo-level config (like
72 * completion.commands).
73 */
74 setup_git_directory_gently(&nongit);
Nguyễn Thái Ngọc Duye5d7a612018-05-20 18:39:58[diff] [blame]75
Nguyễn Thái Ngọc Duy00895212018-05-20 18:39:57[diff] [blame]76 while (*spec) {
77 const char *sep = strchrnul(spec, ',');
78 int len = sep - spec;
79
80 if (match_token(spec, len, "builtins"))
Nguyễn Thái Ngọc Duye5d7a612018-05-20 18:39:58[diff] [blame]81 list_builtins(&list, 0);
Nguyễn Thái Ngọc Duy6bb2dc02018-05-20 18:39:59[diff] [blame]82 else if (match_token(spec, len, "main"))
83 list_all_main_cmds(&list);
84 else if (match_token(spec, len, "others"))
85 list_all_other_cmds(&list);
Nguyễn Thái Ngọc Duye11dca12018-05-20 18:40:07[diff] [blame]86 else if (match_token(spec, len, "nohelpers"))
87 exclude_helpers_from_list(&list);
Nguyễn Thái Ngọc Duy3301d362018-05-20 18:40:08[diff] [blame]88 else if (match_token(spec, len, "alias"))
89 list_aliases(&list);
Nguyễn Thái Ngọc Duy6532f372018-05-20 18:40:09[diff] [blame]90 else if (match_token(spec, len, "config"))
91 list_cmds_by_config(&list);
Nguyễn Thái Ngọc Duy3c777762018-05-20 18:40:00[diff] [blame]92 else if (len > 5 && !strncmp(spec, "list-", 5)) {
93 struct strbuf sb = STRBUF_INIT;
94
95 strbuf_add(&sb, spec + 5, len - 5);
96 list_cmds_by_category(&list, sb.buf);
97 strbuf_release(&sb);
98 }
Nguyễn Thái Ngọc Duy00895212018-05-20 18:39:57[diff] [blame]99 else
100 die(_("unsupported command listing type '%s'"), spec);
101 spec += len;
102 if (*spec == ',')
103 spec++;
104 }
Nguyễn Thái Ngọc Duye5d7a612018-05-20 18:39:58[diff] [blame]105 for (i = 0; i < list.nr; i++)
106 puts(list.items[i].string);
107 string_list_clear(&list, 0);
Nguyễn Thái Ngọc Duy00895212018-05-20 18:39:57[diff] [blame]108 return 0;
109}
Jeff King8893fd92017-05-30 05:18:43[diff] [blame]110
Nguyễn Thái Ngọc Duy3b335762018-12-09 10:25:21[diff] [blame]111static void commit_pager_choice(void)
112{
Jeff King4e107382008-07-03 11:46:57[diff] [blame]113 switch (use_pager) {
114 case 0:
115 setenv("GIT_PAGER", "cat", 1);
116 break;
117 case 1:
118 setup_pager();
119 break;
120 default:
121 break;
122 }
123}
124
Martin Ågren033fe3d2017-08-02 19:40:51[diff] [blame]125void setup_auto_pager(const char *cmd, int def)
126{
127 if (use_pager != -1 || pager_in_use())
128 return;
129 use_pager = check_pager_config(cmd);
130 if (use_pager == -1)
131 use_pager = def;
132 commit_pager_choice();
133}
134
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]135static int handle_options(const char ***argv, int *argc, int *envchanged)
Johannes Schindelin4ab243a2006-07-24 12:10:45[diff] [blame]136{
Junio C Hamano73546c02011-05-24 22:50:35[diff] [blame]137 const char **orig_argv = *argv;
Johannes Schindelin4ab243a2006-07-24 12:10:45[diff] [blame]138
139 while (*argc > 0) {
140 const char *cmd = (*argv)[0];
141 if (cmd[0] != '-')
142 break;
143
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]144 /*
145 * For legacy reasons, the "version" and "help"
146 * commands can be written with "--" prepended
147 * to make them look like flags.
148 */
149 if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version"))
150 break;
151
152 /*
153 * Check remaining flags.
154 */
Jeff Kingae021d82014-06-18 19:47:50[diff] [blame]155 if (skip_prefix(cmd, "--exec-path", &cmd)) {
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]156 if (*cmd == '=')
Dan Jacques226c0dd2018-04-10 15:05:44[diff] [blame]157 git_set_exec_path(cmd + 1);
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]158 else {
159 puts(git_exec_path());
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]160 trace2_cmd_name("_query_");
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]161 exit(0);
162 }
Markus Heidelberg89a56bf2009-04-05 02:15:16[diff] [blame]163 } else if (!strcmp(cmd, "--html-path")) {
164 puts(system_path(GIT_HTML_PATH));
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]165 trace2_cmd_name("_query_");
Markus Heidelberg89a56bf2009-04-05 02:15:16[diff] [blame]166 exit(0);
Jon Seymourf2dd8c32011-05-01 08:16:25[diff] [blame]167 } else if (!strcmp(cmd, "--man-path")) {
168 puts(system_path(GIT_MAN_PATH));
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]169 trace2_cmd_name("_query_");
Jon Seymourf2dd8c32011-05-01 08:16:25[diff] [blame]170 exit(0);
171 } else if (!strcmp(cmd, "--info-path")) {
172 puts(system_path(GIT_INFO_PATH));
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]173 trace2_cmd_name("_query_");
Jon Seymourf2dd8c32011-05-01 08:16:25[diff] [blame]174 exit(0);
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]175 } else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
Jeff King4e107382008-07-03 11:46:57[diff] [blame]176 use_pager = 1;
Johannes Sixt7213c282018-05-03 17:15:08[diff] [blame]177 } else if (!strcmp(cmd, "-P") || !strcmp(cmd, "--no-pager")) {
Jeff King4e107382008-07-03 11:46:57[diff] [blame]178 use_pager = 0;
Matthieu Moy463a8492007-08-19 17:24:36[diff] [blame]179 if (envchanged)
180 *envchanged = 1;
Christian Couderb0fa7ab2009-10-12 20:30:32[diff] [blame]181 } else if (!strcmp(cmd, "--no-replace-objects")) {
Jeff King6ebd1ca2018-07-18 20:45:20[diff] [blame]182 read_replace_refs = 0;
Christian Couder6476b382009-11-18 06:50:58[diff] [blame]183 setenv(NO_REPLACE_OBJECTS_ENVIRONMENT, "1", 1);
184 if (envchanged)
185 *envchanged = 1;
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]186 } else if (!strcmp(cmd, "--git-dir")) {
Brian Gernhardtc321f002006-12-22 13:56:25[diff] [blame]187 if (*argc < 2) {
Jean-Noël Avila986cd652022-01-05 20:02:20[diff] [blame]188 fprintf(stderr, _("no directory given for '%s' option\n" ), "--git-dir");
Brian Gernhardtc321f002006-12-22 13:56:25[diff] [blame]189 usage(git_usage_string);
190 }
Shawn O. Pearce45b09792006-12-31 04:29:11[diff] [blame]191 setenv(GIT_DIR_ENVIRONMENT, (*argv)[1], 1);
Matthias Lederhofer4394efe2007-06-08 20:57:55[diff] [blame]192 if (envchanged)
193 *envchanged = 1;
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]194 (*argv)++;
195 (*argc)--;
Jeff Kingae021d82014-06-18 19:47:50[diff] [blame]196 } else if (skip_prefix(cmd, "--git-dir=", &cmd)) {
197 setenv(GIT_DIR_ENVIRONMENT, cmd, 1);
Matthias Lederhofer4394efe2007-06-08 20:57:55[diff] [blame]198 if (envchanged)
199 *envchanged = 1;
Josh Tripletta1bea2c2011-07-05 17:54:44[diff] [blame]200 } else if (!strcmp(cmd, "--namespace")) {
201 if (*argc < 2) {
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]202 fprintf(stderr, _("no namespace given for --namespace\n" ));
Josh Tripletta1bea2c2011-07-05 17:54:44[diff] [blame]203 usage(git_usage_string);
204 }
205 setenv(GIT_NAMESPACE_ENVIRONMENT, (*argv)[1], 1);
206 if (envchanged)
207 *envchanged = 1;
208 (*argv)++;
209 (*argc)--;
Jeff Kingae021d82014-06-18 19:47:50[diff] [blame]210 } else if (skip_prefix(cmd, "--namespace=", &cmd)) {
211 setenv(GIT_NAMESPACE_ENVIRONMENT, cmd, 1);
Josh Tripletta1bea2c2011-07-05 17:54:44[diff] [blame]212 if (envchanged)
213 *envchanged = 1;
Matthias Lederhofer892c41b2007-06-06 07:10:42[diff] [blame]214 } else if (!strcmp(cmd, "--work-tree")) {
215 if (*argc < 2) {
Jean-Noël Avila986cd652022-01-05 20:02:20[diff] [blame]216 fprintf(stderr, _("no directory given for '%s' option\n" ), "--work-tree");
Matthias Lederhofer892c41b2007-06-06 07:10:42[diff] [blame]217 usage(git_usage_string);
218 }
219 setenv(GIT_WORK_TREE_ENVIRONMENT, (*argv)[1], 1);
Matthias Lederhofer4394efe2007-06-08 20:57:55[diff] [blame]220 if (envchanged)
221 *envchanged = 1;
Matthias Lederhofer892c41b2007-06-06 07:10:42[diff] [blame]222 (*argv)++;
223 (*argc)--;
Jeff Kingae021d82014-06-18 19:47:50[diff] [blame]224 } else if (skip_prefix(cmd, "--work-tree=", &cmd)) {
225 setenv(GIT_WORK_TREE_ENVIRONMENT, cmd, 1);
Matthias Lederhofer4394efe2007-06-08 20:57:55[diff] [blame]226 if (envchanged)
227 *envchanged = 1;
Brandon Williams74866d72016-10-07 18:18:48[diff] [blame]228 } else if (!strcmp(cmd, "--super-prefix")) {
229 if (*argc < 2) {
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]230 fprintf(stderr, _("no prefix given for --super-prefix\n" ));
Brandon Williams74866d72016-10-07 18:18:48[diff] [blame]231 usage(git_usage_string);
232 }
233 setenv(GIT_SUPER_PREFIX_ENVIRONMENT, (*argv)[1], 1);
234 if (envchanged)
235 *envchanged = 1;
236 (*argv)++;
237 (*argc)--;
238 } else if (skip_prefix(cmd, "--super-prefix=", &cmd)) {
239 setenv(GIT_SUPER_PREFIX_ENVIRONMENT, cmd, 1);
240 if (envchanged)
241 *envchanged = 1;
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]242 } else if (!strcmp(cmd, "--bare")) {
René Scharfe4d3ab442014-07-28 18:31:57[diff] [blame]243 char *cwd = xgetcwd();
Junio C Hamano6adcca32007-08-27 07:58:06[diff] [blame]244 is_bare_repository_cfg = 1;
René Scharfe4d3ab442014-07-28 18:31:57[diff] [blame]245 setenv(GIT_DIR_ENVIRONMENT, cwd, 0);
246 free(cwd);
Jeff King2cd83d12013-03-08 09:32:22[diff] [blame]247 setenv(GIT_IMPLICIT_WORK_TREE_ENVIRONMENT, "0", 1);
Matthias Lederhofer4394efe2007-06-08 20:57:55[diff] [blame]248 if (envchanged)
249 *envchanged = 1;
Alex Riesen8b1fa772010-03-26 22:53:57[diff] [blame]250 } else if (!strcmp(cmd, "-c")) {
251 if (*argc < 2) {
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]252 fprintf(stderr, _("-c expects a configuration string\n" ));
Alex Riesen8b1fa772010-03-26 22:53:57[diff] [blame]253 usage(git_usage_string);
254 }
Jeff King2b64fc82010-08-23 19:16:00[diff] [blame]255 git_config_push_parameter((*argv)[1]);
Alex Riesen8b1fa772010-03-26 22:53:57[diff] [blame]256 (*argv)++;
257 (*argc)--;
Patrick Steinhardtc3315512021-04-29 12:55:34[diff] [blame]258 } else if (!strcmp(cmd, "--config-env")) {
259 if (*argc < 2) {
260 fprintf(stderr, _("no config key given for --config-env\n" ));
261 usage(git_usage_string);
262 }
263 git_config_push_env((*argv)[1]);
264 (*argv)++;
265 (*argc)--;
Patrick Steinhardtce81b1d2021-01-12 12:26:45[diff] [blame]266 } else if (skip_prefix(cmd, "--config-env=", &cmd)) {
267 git_config_push_env(cmd);
Jeff King823ab402012-12-19 22:37:30[diff] [blame]268 } else if (!strcmp(cmd, "--literal-pathspecs")) {
269 setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "1", 1);
270 if (envchanged)
271 *envchanged = 1;
272 } else if (!strcmp(cmd, "--no-literal-pathspecs")) {
273 setenv(GIT_LITERAL_PATHSPECS_ENVIRONMENT, "0", 1);
274 if (envchanged)
275 *envchanged = 1;
Nguyễn Thái Ngọc Duybd30c2e2013-07-14 08:36:08[diff] [blame]276 } else if (!strcmp(cmd, "--glob-pathspecs")) {
277 setenv(GIT_GLOB_PATHSPECS_ENVIRONMENT, "1", 1);
278 if (envchanged)
279 *envchanged = 1;
280 } else if (!strcmp(cmd, "--noglob-pathspecs")) {
281 setenv(GIT_NOGLOB_PATHSPECS_ENVIRONMENT, "1", 1);
282 if (envchanged)
283 *envchanged = 1;
Nguyễn Thái Ngọc Duy93d93532013-07-14 08:36:09[diff] [blame]284 } else if (!strcmp(cmd, "--icase-pathspecs")) {
285 setenv(GIT_ICASE_PATHSPECS_ENVIRONMENT, "1", 1);
286 if (envchanged)
287 *envchanged = 1;
Jeff King27344d62017-09-27 06:54:30[diff] [blame]288 } else if (!strcmp(cmd, "--no-optional-locks")) {
289 setenv(GIT_OPTIONAL_LOCKS_ENVIRONMENT, "0", 1);
290 if (envchanged)
291 *envchanged = 1;
Nguyễn Thái Ngọc Duy6035d6a2013-05-26 01:16:15[diff] [blame]292 } else if (!strcmp(cmd, "--shallow-file")) {
293 (*argv)++;
294 (*argc)--;
Stefan Beller6a2df512018-05-17 22:51:43[diff] [blame]295 set_alternate_shallow_file(the_repository, (*argv)[0], 1);
Nguyễn Thái Ngọc Duy6035d6a2013-05-26 01:16:15[diff] [blame]296 if (envchanged)
297 *envchanged = 1;
Nazri Ramliy44e1e4d2013-09-09 13:47:43[diff] [blame]298 } else if (!strcmp(cmd, "-C")) {
299 if (*argc < 2) {
Jean-Noël Avila986cd652022-01-05 20:02:20[diff] [blame]300 fprintf(stderr, _("no directory given for '%s' option\n" ), "-C");
Nazri Ramliy44e1e4d2013-09-09 13:47:43[diff] [blame]301 usage(git_usage_string);
302 }
Karthik Nayak6a536e22015-03-06 11:18:08[diff] [blame]303 if ((*argv)[1][0]) {
304 if (chdir((*argv)[1]))
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]305 die_errno("cannot change to '%s'", (*argv)[1]);
Karthik Nayak6a536e22015-03-06 11:18:08[diff] [blame]306 if (envchanged)
307 *envchanged = 1;
308 }
Nazri Ramliy44e1e4d2013-09-09 13:47:43[diff] [blame]309 (*argv)++;
310 (*argc)--;
Nguyễn Thái Ngọc Duy00895212018-05-20 18:39:57[diff] [blame]311 } else if (skip_prefix(cmd, "--list-cmds=", &cmd)) {
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]312 trace2_cmd_name("_query_");
Nguyễn Thái Ngọc Duy00895212018-05-20 18:39:57[diff] [blame]313 if (!strcmp(cmd, "parseopt")) {
Nguyễn Thái Ngọc Duye5d7a612018-05-20 18:39:58[diff] [blame]314 struct string_list list = STRING_LIST_INIT_DUP;
315 int i;
316
317 list_builtins(&list, NO_PARSEOPT);
318 for (i = 0; i < list.nr; i++)
319 printf("%s ", list.items[i].string);
320 string_list_clear(&list, 0);
Nguyễn Thái Ngọc Duy00895212018-05-20 18:39:57[diff] [blame]321 exit(0);
322 } else {
323 exit(list_cmds(cmd));
324 }
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]325 } else {
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]326 fprintf(stderr, _("unknown option: %s\n"), cmd);
Ramsay Allan Jones822a7d52006-07-30 21:42:25[diff] [blame]327 usage(git_usage_string);
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]328 }
Johannes Schindelin4ab243a2006-07-24 12:10:45[diff] [blame]329
330 (*argv)++;
331 (*argc)--;
Johannes Schindelin4ab243a2006-07-24 12:10:45[diff] [blame]332 }
Junio C Hamano73546c02011-05-24 22:50:35[diff] [blame]333 return (*argv) - orig_argv;
Johannes Schindelin4ab243a2006-07-24 12:10:45[diff] [blame]334}
335
Johannes Schindelin2b11e312006-06-05 17:43:52[diff] [blame]336static int handle_alias(int *argcp, const char ***argv)
337{
SZEDER Gáboraf05d672008-03-25 21:06:26[diff] [blame]338 int envchanged = 0, ret = 0, saved_errno = errno;
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]339 int count, option_count;
Felipe Contreras4b25d092009-05-01 09:06:36[diff] [blame]340 const char **new_argv;
Jeff King94351112008-02-24 22:17:14[diff] [blame]341 const char *alias_command;
342 char *alias_string;
Johannes Schindelin2b11e312006-06-05 17:43:52[diff] [blame]343
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]344 alias_command = (*argv)[0];
Jeff King94351112008-02-24 22:17:14[diff] [blame]345 alias_string = alias_lookup(alias_command);
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]346 if (alias_string) {
Rasmus Villemoesa9a60b92018-10-09 11:59:08[diff] [blame]347 if (*argcp > 1 && !strcmp((*argv)[1], "-h"))
348 fprintf_ln(stderr, _("'%s' is aliased to '%s'"),
349 alias_command, alias_string);
Theodore Ts'odfd42a32007-02-11 00:33:58[diff] [blame]350 if (alias_string[0] == '!') {
Jeff King850d2fe2016-02-22 22:44:21[diff] [blame]351 struct child_process child = CHILD_PROCESS_INIT;
Johannes Schindelina9bcf652017-06-14 11:36:00[diff] [blame]352 int nongit_ok;
353
354 /* Aliases expect GIT_PREFIX, GIT_DIR etc to be set */
355 setup_git_directory_gently(&nongit_ok);
Johannes Schindelina2f80282007-07-01 21:51:58[diff] [blame]356
Erik Faye-Lund7f51f8b2011-01-06 23:00:38[diff] [blame]357 commit_pager_choice();
358
Jeff King850d2fe2016-02-22 22:44:21[diff] [blame]359 child.use_shell = 1;
Trygve Aabergec0d73a52020-07-07 12:17:15[diff] [blame]360 child.clean_on_exit = 1;
361 child.wait_after_clean = 1;
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]362 child.trace2_child_class = "shell_alias";
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]363 strvec_push(&child.args, alias_string + 1);
364 strvec_pushv(&child.args, (*argv) + 1);
Erik Faye-Lund7f51f8b2011-01-06 23:00:38[diff] [blame]365
Jeff Kingd70a9eb2020-07-29 00:37:20[diff] [blame]366 trace2_cmd_alias(alias_command, child.args.v);
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]367 trace2_cmd_list_config();
Josh Steadmon3d3adaa2020-03-20 21:06:15[diff] [blame]368 trace2_cmd_list_env_vars();
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]369 trace2_cmd_name("_run_shell_alias_");
370
Jeff King850d2fe2016-02-22 22:44:21[diff] [blame]371 ret = run_command(&child);
Erik Faye-Lund7f51f8b2011-01-06 23:00:38[diff] [blame]372 if (ret >= 0) /* normal exit */
373 exit(ret);
374
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]375 die_errno(_("while expanding alias '%s': '%s'"),
376 alias_command, alias_string + 1);
Theodore Ts'odfd42a32007-02-11 00:33:58[diff] [blame]377 }
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]378 count = split_cmdline(alias_string, &new_argv);
Deskin Millerdc4179f2008-09-22 15:06:41[diff] [blame]379 if (count < 0)
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]380 die(_("bad alias.%s string: %s"), alias_command,
Nguyễn Thái Ngọc Duya7412ae2018-11-10 05:16:01[diff] [blame]381 _(split_cmdline_strerror(count)));
Matthias Lederhofer4394efe2007-06-08 20:57:55[diff] [blame]382 option_count = handle_options(&new_argv, &count, &envchanged);
383 if (envchanged)
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]384 die(_("alias '%s' changes environment variables.\n"
385 "You can use '!git' in the alias to do this"),
386 alias_command);
René Scharfe7bd97d62019-09-19 20:48:30[diff] [blame]387 MOVE_ARRAY(new_argv - option_count, new_argv, count);
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]388 new_argv -= option_count;
Johannes Schindelin2b11e312006-06-05 17:43:52[diff] [blame]389
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]390 if (count < 1)
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]391 die(_("empty alias for %s"), alias_command);
Johannes Schindelin2b11e312006-06-05 17:43:52[diff] [blame]392
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]393 if (!strcmp(alias_command, new_argv[0]))
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]394 die(_("recursive alias: %s"), alias_command);
Johannes Schindelin2b11e312006-06-05 17:43:52[diff] [blame]395
Christian Couderb319ce42007-12-03 04:51:50[diff] [blame]396 trace_argv_printf(new_argv,
Christian Couder6ce4e612006-09-02 16:23:48[diff] [blame]397 "trace: alias expansion: %s =>",
398 alias_command);
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]399
René Scharfe2756ca42014-09-16 18:56:57[diff] [blame]400 REALLOC_ARRAY(new_argv, count + *argcp);
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]401 /* insert after command name */
René Scharfe7bd97d62019-09-19 20:48:30[diff] [blame]402 COPY_ARRAY(new_argv + count, *argv + 1, *argcp);
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]403
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]404 trace2_cmd_alias(alias_command, new_argv);
405 trace2_cmd_list_config();
Josh Steadmon3d3adaa2020-03-20 21:06:15[diff] [blame]406 trace2_cmd_list_env_vars();
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]407
Matthias Lederhofer0347a8c2006-07-30 01:30:29[diff] [blame]408 *argv = new_argv;
409 *argcp += count - 1;
410
411 ret = 1;
Johannes Schindelin2b11e312006-06-05 17:43:52[diff] [blame]412 }
413
Johannes Schindelin47e5c0c2006-06-28 10:45:27[diff] [blame]414 errno = saved_errno;
415
Johannes Schindelin2b11e312006-06-05 17:43:52[diff] [blame]416 return ret;
417}
418
Jeff Kingf172f332009-01-28 07:33:53[diff] [blame]419static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
Linus Torvalds47d0b4f2007-06-24 17:10:40[diff] [blame]420{
Jonathan Nieder99caeed2009-11-09 15:05:01[diff] [blame]421 int status, help;
Linus Torvalds0f157312007-06-24 17:29:33[diff] [blame]422 struct stat st;
Linus Torvalds47d0b4f2007-06-24 17:10:40[diff] [blame]423 const char *prefix;
Lessley Denningtone5b17bd2021-12-06 15:55:55[diff] [blame]424 int run_setup = (p->option & (RUN_SETUP | RUN_SETUP_GENTLY));
Linus Torvalds47d0b4f2007-06-24 17:10:40[diff] [blame]425
Jonathan Nieder99caeed2009-11-09 15:05:01[diff] [blame]426 help = argc == 2 && !strcmp(argv[1], "-h");
Lessley Denningtone5b17bd2021-12-06 15:55:55[diff] [blame]427 if (help && (run_setup & RUN_SETUP))
428 /* demote to GENTLY to allow 'git cmd -h' outside repo */
429 run_setup = RUN_SETUP_GENTLY;
Nguyễn Thái Ngọc Duya9ca8a82010-11-26 15:31:57[diff] [blame]430
Lessley Denningtone5b17bd2021-12-06 15:55:55[diff] [blame]431 if (run_setup & RUN_SETUP) {
432 prefix = setup_git_directory();
433 } else if (run_setup & RUN_SETUP_GENTLY) {
434 int nongit_ok;
435 prefix = setup_git_directory_gently(&nongit_ok);
436 } else {
437 prefix = NULL;
Jonathan Nieder99caeed2009-11-09 15:05:01[diff] [blame]438 }
Lessley Denningtone5b17bd2021-12-06 15:55:55[diff] [blame]439 precompose_argv_prefix(argc, argv, NULL);
440 if (use_pager == -1 && run_setup &&
441 !(p->option & DELAY_PAGER_CONFIG))
442 use_pager = check_pager_config(p->cmd);
443 if (use_pager == -1 && p->option & USE_PAGER)
444 use_pager = 1;
445 if (run_setup && startup_info->have_repository)
446 /* get_git_dir() may set up repo, avoid that */
447 trace_repo_setup(prefix);
Jeff King4e107382008-07-03 11:46:57[diff] [blame]448 commit_pager_choice();
449
Brandon Williams74866d72016-10-07 18:18:48[diff] [blame]450 if (!help && get_super_prefix()) {
451 if (!(p->option & SUPPORT_SUPER_PREFIX))
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]452 die(_("%s doesn't support --super-prefix"), p->cmd);
Brandon Williams74866d72016-10-07 18:18:48[diff] [blame]453 }
454
Jonathan Nieder99caeed2009-11-09 15:05:01[diff] [blame]455 if (!help && p->option & NEED_WORK_TREE)
Mike Hommey59f0f2f2007-11-03 11:23:11[diff] [blame]456 setup_work_tree();
457
Christian Couderb319ce42007-12-03 04:51:50[diff] [blame]458 trace_argv_printf(argv, "trace: built-in: git");
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]459 trace2_cmd_name(p->cmd);
460 trace2_cmd_list_config();
Josh Steadmon3d3adaa2020-03-20 21:06:15[diff] [blame]461 trace2_cmd_list_env_vars();
Linus Torvalds47d0b4f2007-06-24 17:10:40[diff] [blame]462
Nguyễn Thái Ngọc Duyf8adbec2019-01-24 08:29:12[diff] [blame]463 validate_cache_entries(the_repository->index);
Linus Torvalds0f157312007-06-24 17:29:33[diff] [blame]464 status = p->fn(argc, argv, prefix);
Nguyễn Thái Ngọc Duyf8adbec2019-01-24 08:29:12[diff] [blame]465 validate_cache_entries(the_repository->index);
Jameson Miller8616a2d2018-07-02 19:49:39[diff] [blame]466
Linus Torvalds0f157312007-06-24 17:29:33[diff] [blame]467 if (status)
Johannes Sixt47e3de02009-07-05 18:57:46[diff] [blame]468 return status;
Linus Torvalds0f157312007-06-24 17:29:33[diff] [blame]469
470 /* Somebody closed stdout? */
471 if (fstat(fileno(stdout), &st))
472 return 0;
473 /* Ignore write errors for pipes and sockets.. */
474 if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode))
475 return 0;
476
477 /* Check for ENOSPC and EIO errors.. */
Linus Torvalds0227f982007-06-30 18:44:20[diff] [blame]478 if (fflush(stdout))
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]479 die_errno(_("write failure on standard output"));
Linus Torvalds0227f982007-06-30 18:44:20[diff] [blame]480 if (ferror(stdout))
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]481 die(_("unknown write failure on standard output"));
Linus Torvalds0227f982007-06-30 18:44:20[diff] [blame]482 if (fclose(stdout))
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]483 die_errno(_("close failed on standard output"));
Linus Torvalds0f157312007-06-24 17:29:33[diff] [blame]484 return 0;
Linus Torvalds47d0b4f2007-06-24 17:10:40[diff] [blame]485}
486
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]487static struct cmd_struct commands[] = {
488 { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE },
Paul Tan783d7e82015-08-04 13:52:06[diff] [blame]489 { "am", cmd_am, RUN_SETUP | NEED_WORK_TREE },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]490 { "annotate", cmd_annotate, RUN_SETUP | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]491 { "apply", cmd_apply, RUN_SETUP_GENTLY },
Junio C Hamanoeb0224c2016-11-22 21:37:04[diff] [blame]492 { "archive", cmd_archive, RUN_SETUP_GENTLY },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]493 { "bisect--helper", cmd_bisect__helper, RUN_SETUP },
494 { "blame", cmd_blame, RUN_SETUP },
Martin Ågrend74b5412017-11-19 15:03:49[diff] [blame]495 { "branch", cmd_branch, RUN_SETUP | DELAY_PAGER_CONFIG },
Jeff Kingd7a56492020-08-13 14:59:36[diff] [blame]496 { "bugreport", cmd_bugreport, RUN_SETUP_GENTLY },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]497 { "bundle", cmd_bundle, RUN_SETUP_GENTLY | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]498 { "cat-file", cmd_cat_file, RUN_SETUP },
499 { "check-attr", cmd_check_attr, RUN_SETUP },
500 { "check-ignore", cmd_check_ignore, RUN_SETUP | NEED_WORK_TREE },
501 { "check-mailmap", cmd_check_mailmap, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]502 { "check-ref-format", cmd_check_ref_format, NO_PARSEOPT },
Eric Sunshine0ca560c2015-07-06 17:30:56[diff] [blame]503 { "checkout", cmd_checkout, RUN_SETUP | NEED_WORK_TREE },
Matheus Tavarese9e8adf2021-04-19 00:14:54[diff] [blame]504 { "checkout--worker", cmd_checkout__worker,
505 RUN_SETUP | NEED_WORK_TREE | SUPPORT_SUPER_PREFIX },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]506 { "checkout-index", cmd_checkout_index,
507 RUN_SETUP | NEED_WORK_TREE},
508 { "cherry", cmd_cherry, RUN_SETUP },
509 { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE },
510 { "clean", cmd_clean, RUN_SETUP | NEED_WORK_TREE },
Nguyễn Thái Ngọc Duy86d26f22015-12-20 07:50:18[diff] [blame]511 { "clone", cmd_clone },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]512 { "column", cmd_column, RUN_SETUP_GENTLY },
513 { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE },
Derrick Stolee4ce58ee2018-04-02 20:34:18[diff] [blame]514 { "commit-graph", cmd_commit_graph, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]515 { "commit-tree", cmd_commit_tree, RUN_SETUP | NO_PARSEOPT },
Martin Ågren32888b82018-02-21 18:51:43[diff] [blame]516 { "config", cmd_config, RUN_SETUP_GENTLY | DELAY_PAGER_CONFIG },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]517 { "count-objects", cmd_count_objects, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]518 { "credential", cmd_credential, RUN_SETUP_GENTLY | NO_PARSEOPT },
Jeff Kingb5dd96b2020-08-13 14:58:55[diff] [blame]519 { "credential-cache", cmd_credential_cache },
520 { "credential-cache--daemon", cmd_credential_cache_daemon },
521 { "credential-store", cmd_credential_store },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]522 { "describe", cmd_describe, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]523 { "diff", cmd_diff, NO_PARSEOPT },
524 { "diff-files", cmd_diff_files, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT },
525 { "diff-index", cmd_diff_index, RUN_SETUP | NO_PARSEOPT },
526 { "diff-tree", cmd_diff_tree, RUN_SETUP | NO_PARSEOPT },
Johannes Schindelin20de3162019-03-14 11:25:04[diff] [blame]527 { "difftool", cmd_difftool, RUN_SETUP_GENTLY },
Ævar Arnfjörð Bjarmasonb4f207f2019-06-21 10:18:06[diff] [blame]528 { "env--helper", cmd_env__helper },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]529 { "fast-export", cmd_fast_export, RUN_SETUP },
Jeff Kinga006f872020-08-13 14:59:45[diff] [blame]530 { "fast-import", cmd_fast_import, RUN_SETUP | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]531 { "fetch", cmd_fetch, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]532 { "fetch-pack", cmd_fetch_pack, RUN_SETUP | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]533 { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP },
534 { "for-each-ref", cmd_for_each_ref, RUN_SETUP },
Derrick Stolee4950b2a2020-09-11 17:49:16[diff] [blame]535 { "for-each-repo", cmd_for_each_repo, RUN_SETUP_GENTLY },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]536 { "format-patch", cmd_format_patch, RUN_SETUP },
537 { "fsck", cmd_fsck, RUN_SETUP },
538 { "fsck-objects", cmd_fsck, RUN_SETUP },
539 { "gc", cmd_gc, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]540 { "get-tar-commit-id", cmd_get_tar_commit_id, NO_PARSEOPT },
Brandon Williamsf9ee2fc2017-08-02 19:49:23[diff] [blame]541 { "grep", cmd_grep, RUN_SETUP_GENTLY },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]542 { "hash-object", cmd_hash_object },
543 { "help", cmd_help },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]544 { "index-pack", cmd_index_pack, RUN_SETUP_GENTLY | NO_PARSEOPT },
Nguyễn Thái Ngọc Duy86d26f22015-12-20 07:50:18[diff] [blame]545 { "init", cmd_init_db },
546 { "init-db", cmd_init_db },
John Keepingcbd9fc22015-09-05 13:39:24[diff] [blame]547 { "interpret-trailers", cmd_interpret_trailers, RUN_SETUP_GENTLY },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]548 { "log", cmd_log, RUN_SETUP },
Brandon Williams188dce12017-06-22 18:43:48[diff] [blame]549 { "ls-files", cmd_ls_files, RUN_SETUP },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]550 { "ls-remote", cmd_ls_remote, RUN_SETUP_GENTLY },
551 { "ls-tree", cmd_ls_tree, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]552 { "mailinfo", cmd_mailinfo, RUN_SETUP_GENTLY | NO_PARSEOPT },
553 { "mailsplit", cmd_mailsplit, NO_PARSEOPT },
Rafael Silvae72f7de2020-11-26 20:41:41[diff] [blame]554 { "maintenance", cmd_maintenance, RUN_SETUP | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]555 { "merge", cmd_merge, RUN_SETUP | NEED_WORK_TREE },
556 { "merge-base", cmd_merge_base, RUN_SETUP },
557 { "merge-file", cmd_merge_file, RUN_SETUP_GENTLY },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]558 { "merge-index", cmd_merge_index, RUN_SETUP | NO_PARSEOPT },
559 { "merge-ours", cmd_merge_ours, RUN_SETUP | NO_PARSEOPT },
560 { "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT },
561 { "merge-recursive-ours", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT },
562 { "merge-recursive-theirs", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT },
563 { "merge-subtree", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE | NO_PARSEOPT },
564 { "merge-tree", cmd_merge_tree, RUN_SETUP | NO_PARSEOPT },
565 { "mktag", cmd_mktag, RUN_SETUP | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]566 { "mktree", cmd_mktree, RUN_SETUP },
Taylor Blau73ff4ad2021-08-31 20:51:53[diff] [blame]567 { "multi-pack-index", cmd_multi_pack_index, RUN_SETUP },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]568 { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE },
569 { "name-rev", cmd_name_rev, RUN_SETUP },
570 { "notes", cmd_notes, RUN_SETUP },
571 { "pack-objects", cmd_pack_objects, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]572 { "pack-redundant", cmd_pack_redundant, RUN_SETUP | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]573 { "pack-refs", cmd_pack_refs, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]574 { "patch-id", cmd_patch_id, RUN_SETUP_GENTLY | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]575 { "pickaxe", cmd_blame, RUN_SETUP },
576 { "prune", cmd_prune, RUN_SETUP },
577 { "prune-packed", cmd_prune_packed, RUN_SETUP },
Paul Tan1e1ea692015-06-14 08:41:51[diff] [blame]578 { "pull", cmd_pull, RUN_SETUP | NEED_WORK_TREE },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]579 { "push", cmd_push, RUN_SETUP },
Johannes Schindelin348ae562018-08-13 11:33:02[diff] [blame]580 { "range-diff", cmd_range_diff, RUN_SETUP | USE_PAGER },
Stefan Beller3d415422017-01-18 01:05:20[diff] [blame]581 { "read-tree", cmd_read_tree, RUN_SETUP | SUPPORT_SUPER_PREFIX},
Johannes Schindelin80dfc922019-07-24 21:15:00[diff] [blame]582 { "rebase", cmd_rebase, RUN_SETUP | NEED_WORK_TREE },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]583 { "receive-pack", cmd_receive_pack },
584 { "reflog", cmd_reflog, RUN_SETUP },
585 { "remote", cmd_remote, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]586 { "remote-ext", cmd_remote_ext, NO_PARSEOPT },
587 { "remote-fd", cmd_remote_fd, NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]588 { "repack", cmd_repack, RUN_SETUP },
589 { "replace", cmd_replace, RUN_SETUP },
590 { "rerere", cmd_rerere, RUN_SETUP },
591 { "reset", cmd_reset, RUN_SETUP },
Nguyễn Thái Ngọc Duy46e91b62019-04-25 09:45:45[diff] [blame]592 { "restore", cmd_restore, RUN_SETUP | NEED_WORK_TREE },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]593 { "rev-list", cmd_rev_list, RUN_SETUP | NO_PARSEOPT },
594 { "rev-parse", cmd_rev_parse, NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]595 { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE },
596 { "rm", cmd_rm, RUN_SETUP },
597 { "send-pack", cmd_send_pack, RUN_SETUP },
598 { "shortlog", cmd_shortlog, RUN_SETUP_GENTLY | USE_PAGER },
599 { "show", cmd_show, RUN_SETUP },
600 { "show-branch", cmd_show_branch, RUN_SETUP },
brian m. carlson88a09a52020-05-25 19:59:12[diff] [blame]601 { "show-index", cmd_show_index, RUN_SETUP_GENTLY },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]602 { "show-ref", cmd_show_ref, RUN_SETUP },
Derrick Stolee94c09562019-11-21 22:04:33[diff] [blame]603 { "sparse-checkout", cmd_sparse_checkout, RUN_SETUP | NEED_WORK_TREE },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]604 { "stage", cmd_add, RUN_SETUP | NEED_WORK_TREE },
Thomas Gummerer8a2cd3f2020-03-03 17:46:13[diff] [blame]605 { "stash", cmd_stash, RUN_SETUP | NEED_WORK_TREE },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]606 { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE },
607 { "stripspace", cmd_stripspace },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]608 { "submodule--helper", cmd_submodule__helper, RUN_SETUP | SUPPORT_SUPER_PREFIX | NO_PARSEOPT },
Nguyễn Thái Ngọc Duyd787d312019-03-29 10:39:05[diff] [blame]609 { "switch", cmd_switch, RUN_SETUP | NEED_WORK_TREE },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]610 { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP },
Martin Ågrende121ff2017-08-02 19:40:53[diff] [blame]611 { "tag", cmd_tag, RUN_SETUP | DELAY_PAGER_CONFIG },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]612 { "unpack-file", cmd_unpack_file, RUN_SETUP | NO_PARSEOPT },
613 { "unpack-objects", cmd_unpack_objects, RUN_SETUP | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]614 { "update-index", cmd_update_index, RUN_SETUP },
615 { "update-ref", cmd_update_ref, RUN_SETUP },
616 { "update-server-info", cmd_update_server_info, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]617 { "upload-archive", cmd_upload_archive, NO_PARSEOPT },
618 { "upload-archive--writer", cmd_upload_archive_writer, NO_PARSEOPT },
Brandon Williamsa3d6b532018-03-14 18:31:41[diff] [blame]619 { "upload-pack", cmd_upload_pack },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]620 { "var", cmd_var, RUN_SETUP_GENTLY | NO_PARSEOPT },
Michael J Gruberd07b00b2014-06-23 07:05:49[diff] [blame]621 { "verify-commit", cmd_verify_commit, RUN_SETUP },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]622 { "verify-pack", cmd_verify_pack },
623 { "verify-tag", cmd_verify_tag, RUN_SETUP },
624 { "version", cmd_version },
625 { "whatchanged", cmd_whatchanged, RUN_SETUP },
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]626 { "worktree", cmd_worktree, RUN_SETUP | NO_PARSEOPT },
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]627 { "write-tree", cmd_write_tree, RUN_SETUP },
628};
629
Slavomir Vlcekc4f901d2014-11-12 13:10:22[diff] [blame]630static struct cmd_struct *get_builtin(const char *s)
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]631{
632 int i;
633 for (i = 0; i < ARRAY_SIZE(commands); i++) {
Slavomir Vlcekc4f901d2014-11-12 13:10:22[diff] [blame]634 struct cmd_struct *p = commands + i;
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]635 if (!strcmp(s, p->cmd))
Slavomir Vlcekc4f901d2014-11-12 13:10:22[diff] [blame]636 return p;
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]637 }
Slavomir Vlcekc4f901d2014-11-12 13:10:22[diff] [blame]638 return NULL;
639}
640
641int is_builtin(const char *s)
642{
643 return !!get_builtin(s);
Sebastian Schuberthc6127fa2014-01-02 16:17:11[diff] [blame]644}
645
Nguyễn Thái Ngọc Duye5d7a612018-05-20 18:39:58[diff] [blame]646static void list_builtins(struct string_list *out, unsigned int exclude_option)
Jeff King8893fd92017-05-30 05:18:43[diff] [blame]647{
648 int i;
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]649 for (i = 0; i < ARRAY_SIZE(commands); i++) {
650 if (exclude_option &&
651 (commands[i].option & exclude_option))
652 continue;
Nguyễn Thái Ngọc Duye5d7a612018-05-20 18:39:58[diff] [blame]653 string_list_append(out, commands[i].cmd);
Nguyễn Thái Ngọc Duye9547942018-03-24 20:35:19[diff] [blame]654 }
Jeff King8893fd92017-05-30 05:18:43[diff] [blame]655}
656
Johannes Schindelin722fc372020-10-07 21:56:51[diff] [blame]657void load_builtin_commands(const char *prefix, struct cmdnames *cmds)
658{
659 const char *name;
660 int i;
661
662 /*
663 * Callers can ask for a subset of the commands based on a certain
664 * prefix, which is then dropped from the added names. The names in
665 * the `commands[]` array do not have the `git-` prefix, though,
666 * therefore we must expect the `prefix` to at least start with `git-`.
667 */
668 if (!skip_prefix(prefix, "git-", &prefix))
669 BUG("prefix '%s' must start with 'git-'", prefix);
670
671 for (i = 0; i < ARRAY_SIZE(commands); i++)
672 if (skip_prefix(commands[i].cmd, prefix, &name))
673 add_cmdname(cmds, name, strlen(name));
674}
675
Alexander Kuleshov63ca1c02016-02-22 07:18:29[diff] [blame]676#ifdef STRIP_EXTENSION
677static void strip_extension(const char **argv)
678{
679 size_t len;
680
681 if (strip_suffix(argv[0], STRIP_EXTENSION, &len))
682 argv[0] = xmemdupz(argv[0], len);
683}
684#else
685#define strip_extension(cmd)
686#endif
687
Sebastian Schuberth3f784a42014-01-02 16:15:44[diff] [blame]688static void handle_builtin(int argc, const char **argv)
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]689{
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]690 struct strvec args = STRVEC_INIT;
Alexander Kuleshov63ca1c02016-02-22 07:18:29[diff] [blame]691 const char *cmd;
Slavomir Vlcekc4f901d2014-11-12 13:10:22[diff] [blame]692 struct cmd_struct *builtin;
Johannes Sixt23326d12007-12-08 19:57:25[diff] [blame]693
Alexander Kuleshov63ca1c02016-02-22 07:18:29[diff] [blame]694 strip_extension(argv);
695 cmd = argv[0];
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]696
Ralf Thielow2c6b6d92016-08-26 17:58:36[diff] [blame]697 /* Turn "git cmd --help" into "git help --exclude-guides cmd" */
Linus Torvalds1cd95082006-04-15 18:13:49[diff] [blame]698 if (argc > 1 && !strcmp(argv[1], "--help")) {
Ralf Thielow2c6b6d92016-08-26 17:58:36[diff] [blame]699 int i;
700
Linus Torvalds1cd95082006-04-15 18:13:49[diff] [blame]701 argv[1] = argv[0];
702 argv[0] = cmd = "help";
Ralf Thielow2c6b6d92016-08-26 17:58:36[diff] [blame]703
704 for (i = 0; i < argc; i++) {
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]705 strvec_push(&args, argv[i]);
Ralf Thielow2c6b6d92016-08-26 17:58:36[diff] [blame]706 if (!i)
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]707 strvec_push(&args, "--exclude-guides");
Ralf Thielow2c6b6d92016-08-26 17:58:36[diff] [blame]708 }
709
710 argc++;
Jeff Kingd70a9eb2020-07-29 00:37:20[diff] [blame]711 argv = args.v;
Linus Torvalds1cd95082006-04-15 18:13:49[diff] [blame]712 }
713
Slavomir Vlcekc4f901d2014-11-12 13:10:22[diff] [blame]714 builtin = get_builtin(cmd);
Junio C Hamano441981b2016-01-27 06:52:02[diff] [blame]715 if (builtin)
716 exit(run_builtin(builtin, argc, argv));
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]717 strvec_clear(&args);
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]718}
719
Junio C Hamano7550be02007-12-02 06:09:22[diff] [blame]720static void execv_dashed_external(const char **argv)
721{
Jeff King2b296c92017-01-07 01:16:24[diff] [blame]722 struct child_process cmd = CHILD_PROCESS_INIT;
Jeff Kingd8e96fd2009-01-28 07:38:14[diff] [blame]723 int status;
Junio C Hamano7550be02007-12-02 06:09:22[diff] [blame]724
Brandon Williams74866d72016-10-07 18:18:48[diff] [blame]725 if (get_super_prefix())
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]726 die(_("%s doesn't support --super-prefix"), argv[0]);
Brandon Williams74866d72016-10-07 18:18:48[diff] [blame]727
Martin Ågren595d59e2017-08-02 19:40:55[diff] [blame]728 if (use_pager == -1 && !is_builtin(argv[0]))
Jeff King92058e42011-08-18 22:01:32[diff] [blame]729 use_pager = check_pager_config(argv[0]);
Jonathan Nieder030149a2010-07-14 22:55:12[diff] [blame]730 commit_pager_choice();
731
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]732 strvec_pushf(&cmd.args, "git-%s", argv[0]);
733 strvec_pushv(&cmd.args, argv + 1);
Jeff King2b296c92017-01-07 01:16:24[diff] [blame]734 cmd.clean_on_exit = 1;
Jeff King46df6902017-01-07 01:22:23[diff] [blame]735 cmd.wait_after_clean = 1;
Jeff King2b296c92017-01-07 01:16:24[diff] [blame]736 cmd.silent_exec_failure = 1;
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]737 cmd.trace2_child_class = "dashed";
Junio C Hamano7550be02007-12-02 06:09:22[diff] [blame]738
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]739 trace2_cmd_name("_run_dashed_");
740
741 /*
742 * The code in run_command() logs trace2 child_start/child_exit
743 * events, so we do not need to report exec/exec_result events here.
744 */
Jeff Kingd70a9eb2020-07-29 00:37:20[diff] [blame]745 trace_argv_printf(cmd.args.v, "trace: exec:");
Junio C Hamano7550be02007-12-02 06:09:22[diff] [blame]746
747 /*
Jeff King246f0ed2017-01-07 01:17:48[diff] [blame]748 * If we fail because the command is not found, it is
749 * OK to return. Otherwise, we just pass along the status code,
750 * or our usual generic code if we were not even able to exec
751 * the program.
Junio C Hamano7550be02007-12-02 06:09:22[diff] [blame]752 */
Jeff King2b296c92017-01-07 01:16:24[diff] [blame]753 status = run_command(&cmd);
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]754
755 /*
756 * If the child process ran and we are now going to exit, emit a
757 * generic string as our trace2 command verb to indicate that we
758 * launched a dashed command.
759 */
Jeff King246f0ed2017-01-07 01:17:48[diff] [blame]760 if (status >= 0)
Johannes Sixt5709e032009-07-04 19:26:39[diff] [blame]761 exit(status);
Jeff King246f0ed2017-01-07 01:17:48[diff] [blame]762 else if (errno != ENOENT)
763 exit(128);
Junio C Hamano7550be02007-12-02 06:09:22[diff] [blame]764}
765
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]766static int run_argv(int *argcp, const char ***argv)
767{
768 int done_alias = 0;
Tim Schumacherc6d75bc2018-09-16 07:50:00[diff] [blame]769 struct string_list cmd_list = STRING_LIST_INIT_NODUP;
Tim Schumacher82f71d92018-09-16 07:50:01[diff] [blame]770 struct string_list_item *seen;
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]771
772 while (1) {
Junio C Hamano441981b2016-01-27 06:52:02[diff] [blame]773 /*
774 * If we tried alias and futzed with our environment,
775 * it no longer is safe to invoke builtins directly in
776 * general. We have to spawn them as dashed externals.
777 *
778 * NEEDSWORK: if we can figure out cases
779 * where it is safe to do, we can avoid spawning a new
780 * process.
781 */
782 if (!done_alias)
783 handle_builtin(*argcp, *argv);
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]784 else if (get_builtin(**argv)) {
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]785 struct strvec args = STRVEC_INIT;
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]786 int i;
787
788 /*
789 * The current process is committed to launching a
790 * child process to run the command named in (**argv)
791 * and exiting. Log a generic string as the trace2
792 * command verb to indicate this. Note that the child
793 * process will log the actual verb when it runs.
794 */
795 trace2_cmd_name("_run_git_alias_");
796
797 if (get_super_prefix())
798 die("%s doesn't support --super-prefix", **argv);
799
800 commit_pager_choice();
801
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]802 strvec_push(&args, "git");
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]803 for (i = 0; i < *argcp; i++)
Jeff Kingef8d7ac2020-07-28 20:24:53[diff] [blame]804 strvec_push(&args, (*argv)[i]);
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]805
Jeff Kingd70a9eb2020-07-29 00:37:20[diff] [blame]806 trace_argv_printf(args.v, "trace: exec:");
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]807
808 /*
809 * if we fail because the command is not found, it is
810 * OK to return. Otherwise, we just pass along the status code.
811 */
Jeff Kingd70a9eb2020-07-29 00:37:20[diff] [blame]812 i = run_command_v_opt_tr2(args.v, RUN_SILENT_EXEC_FAILURE |
Trygve Aabergee662df72020-07-07 12:17:14[diff] [blame]813 RUN_CLEAN_ON_EXIT | RUN_WAIT_AFTER_CLEAN, "git_alias");
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]814 if (i >= 0 || errno != ENOENT)
815 exit(i);
816 die("could not execute builtin %s", **argv);
817 }
Jeff Hostetleree4512e2019-02-22 22:25:01[diff] [blame]818
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]819 /* .. then try the external ones */
820 execv_dashed_external(*argv);
821
Tim Schumacher82f71d92018-09-16 07:50:01[diff] [blame]822 seen = unsorted_string_list_lookup(&cmd_list, *argv[0]);
823 if (seen) {
824 int i;
825 struct strbuf sb = STRBUF_INIT;
826 for (i = 0; i < cmd_list.nr; i++) {
827 struct string_list_item *item = &cmd_list.items[i];
828
829 strbuf_addf(&sb, "\n %s", item->string);
830 if (item == seen)
831 strbuf_addstr(&sb, " <==");
832 else if (i == cmd_list.nr - 1)
833 strbuf_addstr(&sb, " ==>");
834 }
Tim Schumacherc6d75bc2018-09-16 07:50:00[diff] [blame]835 die(_("alias loop detected: expansion of '%s' does"
Tim Schumacher82f71d92018-09-16 07:50:01[diff] [blame]836 " not terminate:%s"), cmd_list.items[0].string, sb.buf);
Tim Schumacherc6d75bc2018-09-16 07:50:00[diff] [blame]837 }
838
839 string_list_append(&cmd_list, *argv[0]);
840
841 /*
842 * It could be an alias -- this works around the insanity
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]843 * of overriding "git log" with "git show" by having
844 * alias.log = show
845 */
Nguyễn Thái Ngọc Duyc0562612014-06-08 09:37:10[diff] [blame]846 if (!handle_alias(argcp, argv))
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]847 break;
848 done_alias = 1;
849 }
850
Tim Schumacherc6d75bc2018-09-16 07:50:00[diff] [blame]851 string_list_clear(&cmd_list, 0);
852
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]853 return done_alias;
854}
855
Jeff King3f2e2292016-07-01 05:58:58[diff] [blame]856int cmd_main(int argc, const char **argv)
Andreas Ericsson8e49d502005-11-15 23:31:25[diff] [blame]857{
Steve Haslam4dd47c32009-01-18 12:00:10[diff] [blame]858 const char *cmd;
Alexander Kuleshov8fa79752015-03-02 12:02:37[diff] [blame]859 int done_help = 0;
Andreas Ericsson8e49d502005-11-15 23:31:25[diff] [blame]860
Jeff King650c4492016-07-01 06:04:04[diff] [blame]861 cmd = argv[0];
Steffen Prohaska2cd72b02009-01-18 12:00:11[diff] [blame]862 if (!cmd)
Steve Haslam4dd47c32009-01-18 12:00:10[diff] [blame]863 cmd = "git-help";
Jeff King6854a8f2016-11-27 04:31:13[diff] [blame]864 else {
865 const char *slash = find_last_dir_sep(cmd);
866 if (slash)
867 cmd = slash + 1;
868 }
Andreas Ericsson8e49d502005-11-15 23:31:25[diff] [blame]869
Karsten Blees578da032014-07-12 00:07:01[diff] [blame]870 trace_command_performance(argv);
871
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]872 /*
873 * "git-xxxx" is the same as "git xxxx", but we obviously:
874 *
875 * - cannot take flags in between the "git" and the "xxxx".
876 * - cannot execute it externally (since it would just do
877 * the same thing over again)
878 *
Sebastian Schuberth3f784a42014-01-02 16:15:44[diff] [blame]879 * So we just directly call the builtin handler, and die if
880 * that one cannot handle it.
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]881 */
Jeff Kingae021d82014-06-18 19:47:50[diff] [blame]882 if (skip_prefix(cmd, "git-", &cmd)) {
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]883 argv[0] = cmd;
Sebastian Schuberth3f784a42014-01-02 16:15:44[diff] [blame]884 handle_builtin(argc, argv);
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]885 die(_("cannot handle %s as a builtin"), cmd);
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]886 }
Andreas Ericsson8e49d502005-11-15 23:31:25[diff] [blame]887
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]888 /* Look for flags.. */
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]889 argv++;
890 argc--;
Matthias Lederhofer4394efe2007-06-08 20:57:55[diff] [blame]891 handle_options(&argv, &argc, NULL);
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]892 if (argc > 0) {
Jeff King6d877802014-06-18 19:56:48[diff] [blame]893 /* translate --help and --version into commands */
894 skip_prefix(argv[0], "--", &argv[0]);
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]895 } else {
Scott R Parish3d7e2d82007-10-27 08:36:49[diff] [blame]896 /* The user didn't specify a command; give them help */
Nguyễn Thái Ngọc Duy73e25e72010-06-26 19:26:37[diff] [blame]897 commit_pager_choice();
Nguyễn Thái Ngọc Duy8aa8c142018-11-10 05:16:00[diff] [blame]898 printf(_("usage: %s\n\n"), git_usage_string);
Scott R Parish3d7e2d82007-10-27 08:36:49[diff] [blame]899 list_common_cmds_help();
Kevin Bracey421a9762013-03-10 15:10:20[diff] [blame]900 printf("\n%s\n", _(git_more_info_string));
Scott R Parish3d7e2d82007-10-27 08:36:49[diff] [blame]901 exit(1);
Andreas Ericsson8e49d502005-11-15 23:31:25[diff] [blame]902 }
Johannes Schindelin6acbcb92006-07-25 18:24:22[diff] [blame]903 cmd = argv[0];
Andreas Ericsson8e49d502005-11-15 23:31:25[diff] [blame]904
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]905 /*
Scott R Parish511707d2007-10-28 11:17:20[diff] [blame]906 * We use PATH to find git commands, but we prepend some higher
Mike Ralphson3ea3c212009-04-17 18:13:30[diff] [blame]907 * precedence paths: the "--exec-path" option, the GIT_EXEC_PATH
Scott R Parish511707d2007-10-28 11:17:20[diff] [blame]908 * environment, and the $(gitexecdir) from the Makefile at build
909 * time.
Linus Torvalds231af832006-02-26 20:34:51[diff] [blame]910 */
Johannes Sixte1464ca2008-07-21 19:19:52[diff] [blame]911 setup_path();
Junio C Hamano7dbc2c02005-11-16 07:13:30[diff] [blame]912
Junio C Hamanoa0254632006-06-06 01:09:40[diff] [blame]913 while (1) {
Alexander Kuleshov8fa79752015-03-02 12:02:37[diff] [blame]914 int was_alias = run_argv(&argc, &argv);
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]915 if (errno != ENOENT)
Junio C Hamanoa0254632006-06-06 01:09:40[diff] [blame]916 break;
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]917 if (was_alias) {
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]918 fprintf(stderr, _("expansion of alias '%s' failed; "
919 "'%s' is not a git command\n"),
Theodore Ts'of3dd0152007-02-11 00:33:57[diff] [blame]920 cmd, argv[0]);
921 exit(1);
922 }
Adeodato Simóa907e1b2009-01-04 17:16:01[diff] [blame]923 if (!done_help) {
924 cmd = argv[0] = help_unknown_cmd(cmd);
925 done_help = 1;
926 } else
927 break;
Theodore Ts'of3dd0152007-02-11 00:33:57[diff] [blame]928 }
Alex Riesen10b15b82005-12-01 12:48:35[diff] [blame]929
Alexander Shopovfc045fe2018-02-13 13:19:15[diff] [blame]930 fprintf(stderr, _("failed to run command '%s': %s\n"),
Andreas Ericsson33ebb872006-06-28 09:17:21[diff] [blame]931 cmd, strerror(errno));
Andreas Ericsson8e49d502005-11-15 23:31:25[diff] [blame]932
933 return 1;
934}