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Commit | Line | Data |
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85023577 | 1 | #include "builtin.h" |
77cb17e9 | 2 | #include "exec_cmd.h" |
2b11e317 | 3 | #include "cache.h" |
575ba9d6 | 4 | #include "quote.h" |
8e49d503 | 5 | |
822a7d50 | 6 | const char git_usage_string[] = |
463a849d | 7 | "git [--version] [--exec-path[=GIT_EXEC_PATH]] [-p|--paginate|--no-pager] [--bare] [--git-dir=GIT_DIR] [--work-tree=GIT_WORK_TREE] [--help] COMMAND [ARGS]"; |
822a7d50 | 8 | |
8e49d503 AE |
9 | static void prepend_to_path(const char *dir, int len) |
10 | { | |
554fe20d TH |
11 | const char *old_path = getenv("PATH"); |
12 | char *path; | |
8e49d503 AE |
13 | int path_len = len; |
14 | ||
15 | if (!old_path) | |
7dbc2c04 | 16 | old_path = "/usr/local/bin:/usr/bin:/bin"; |
8e49d503 AE |
17 | |
18 | path_len = len + strlen(old_path) + 1; | |
19 | ||
2d7320d0 | 20 | path = xmalloc(path_len + 1); |
8e49d503 AE |
21 | |
22 | memcpy(path, dir, len); | |
23 | path[len] = ':'; | |
24 | memcpy(path + len + 1, old_path, path_len - len); | |
25 | ||
26 | setenv("PATH", path, 1); | |
0caea90b CC |
27 | |
28 | free(path); | |
8e49d503 AE |
29 | } |
30 | ||
4394efec | 31 | static int handle_options(const char*** argv, int* argc, int* envchanged) |
4ab243a9 JS |
32 | { |
33 | int handled = 0; | |
34 | ||
35 | while (*argc > 0) { | |
36 | const char *cmd = (*argv)[0]; | |
37 | if (cmd[0] != '-') | |
38 | break; | |
39 | ||
6acbcb92 JS |
40 | /* |
41 | * For legacy reasons, the "version" and "help" | |
42 | * commands can be written with "--" prepended | |
43 | * to make them look like flags. | |
44 | */ | |
45 | if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version")) | |
46 | break; | |
47 | ||
48 | /* | |
49 | * Check remaining flags. | |
50 | */ | |
cc44c765 | 51 | if (!prefixcmp(cmd, "--exec-path")) { |
6acbcb92 JS |
52 | cmd += 11; |
53 | if (*cmd == '=') | |
54 | git_set_exec_path(cmd + 1); | |
55 | else { | |
56 | puts(git_exec_path()); | |
57 | exit(0); | |
58 | } | |
59 | } else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) { | |
4ab243a9 | 60 | setup_pager(); |
463a849d MM |
61 | } else if (!strcmp(cmd, "--no-pager")) { |
62 | setenv("GIT_PAGER", "cat", 1); | |
63 | if (envchanged) | |
64 | *envchanged = 1; | |
6acbcb92 | 65 | } else if (!strcmp(cmd, "--git-dir")) { |
c321f00d BG |
66 | if (*argc < 2) { |
67 | fprintf(stderr, "No directory given for --git-dir.\n" ); | |
68 | usage(git_usage_string); | |
69 | } | |
45b09794 | 70 | setenv(GIT_DIR_ENVIRONMENT, (*argv)[1], 1); |
4394efec ML |
71 | if (envchanged) |
72 | *envchanged = 1; | |
6acbcb92 JS |
73 | (*argv)++; |
74 | (*argc)--; | |
e4b02333 | 75 | handled++; |
cc44c765 | 76 | } else if (!prefixcmp(cmd, "--git-dir=")) { |
45b09794 | 77 | setenv(GIT_DIR_ENVIRONMENT, cmd + 10, 1); |
4394efec ML |
78 | if (envchanged) |
79 | *envchanged = 1; | |
892c41b9 ML |
80 | } else if (!strcmp(cmd, "--work-tree")) { |
81 | if (*argc < 2) { | |
82 | fprintf(stderr, "No directory given for --work-tree.\n" ); | |
83 | usage(git_usage_string); | |
84 | } | |
85 | setenv(GIT_WORK_TREE_ENVIRONMENT, (*argv)[1], 1); | |
4394efec ML |
86 | if (envchanged) |
87 | *envchanged = 1; | |
892c41b9 ML |
88 | (*argv)++; |
89 | (*argc)--; | |
90 | } else if (!prefixcmp(cmd, "--work-tree=")) { | |
91 | setenv(GIT_WORK_TREE_ENVIRONMENT, cmd + 12, 1); | |
4394efec ML |
92 | if (envchanged) |
93 | *envchanged = 1; | |
6acbcb92 | 94 | } else if (!strcmp(cmd, "--bare")) { |
ef5ddb2f | 95 | static char git_dir[PATH_MAX+1]; |
45b09794 | 96 | setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, sizeof(git_dir)), 1); |
4394efec ML |
97 | if (envchanged) |
98 | *envchanged = 1; | |
6acbcb92 JS |
99 | } else { |
100 | fprintf(stderr, "Unknown option: %s\n", cmd); | |
822a7d50 | 101 | usage(git_usage_string); |
6acbcb92 | 102 | } |
4ab243a9 JS |
103 | |
104 | (*argv)++; | |
105 | (*argc)--; | |
106 | handled++; | |
107 | } | |
108 | return handled; | |
109 | } | |
110 | ||
2b11e317 | 111 | static const char *alias_command; |
96f1e58f | 112 | static char *alias_string; |
2b11e317 JS |
113 | |
114 | static int git_alias_config(const char *var, const char *value) | |
115 | { | |
cc44c765 | 116 | if (!prefixcmp(var, "alias.") && !strcmp(var + 6, alias_command)) { |
9befac47 | 117 | alias_string = xstrdup(value); |
2b11e317 JS |
118 | } |
119 | return 0; | |
120 | } | |
121 | ||
122 | static int split_cmdline(char *cmdline, const char ***argv) | |
123 | { | |
124 | int src, dst, count = 0, size = 16; | |
125 | char quoted = 0; | |
126 | ||
3301521a | 127 | *argv = xmalloc(sizeof(char*) * size); |
2b11e317 JS |
128 | |
129 | /* split alias_string */ | |
130 | (*argv)[count++] = cmdline; | |
131 | for (src = dst = 0; cmdline[src];) { | |
132 | char c = cmdline[src]; | |
133 | if (!quoted && isspace(c)) { | |
134 | cmdline[dst++] = 0; | |
135 | while (cmdline[++src] | |
136 | && isspace(cmdline[src])) | |
137 | ; /* skip */ | |
138 | if (count >= size) { | |
139 | size += 16; | |
83572c1a | 140 | *argv = xrealloc(*argv, sizeof(char*) * size); |
2b11e317 JS |
141 | } |
142 | (*argv)[count++] = cmdline + dst; | |
143 | } else if(!quoted && (c == '\'' || c == '"')) { | |
144 | quoted = c; | |
145 | src++; | |
146 | } else if (c == quoted) { | |
147 | quoted = 0; | |
148 | src++; | |
149 | } else { | |
150 | if (c == '\\' && quoted != '\'') { | |
151 | src++; | |
152 | c = cmdline[src]; | |
153 | if (!c) { | |
154 | free(*argv); | |
155 | *argv = NULL; | |
156 | return error("cmdline ends with \\"); | |
157 | } | |
158 | } | |
159 | cmdline[dst++] = c; | |
160 | src++; | |
161 | } | |
162 | } | |
163 | ||
164 | cmdline[dst] = 0; | |
165 | ||
166 | if (quoted) { | |
167 | free(*argv); | |
168 | *argv = NULL; | |
169 | return error("unclosed quote"); | |
170 | } | |
171 | ||
172 | return count; | |
173 | } | |
174 | ||
175 | static int handle_alias(int *argcp, const char ***argv) | |
176 | { | |
4394efec | 177 | int nongit = 0, envchanged = 0, ret = 0, saved_errno = errno; |
2b11e317 | 178 | const char *subdir; |
0347a8c7 ML |
179 | int count, option_count; |
180 | const char** new_argv; | |
2b11e317 JS |
181 | |
182 | subdir = setup_git_directory_gently(&nongit); | |
0347a8c7 ML |
183 | |
184 | alias_command = (*argv)[0]; | |
185 | git_config(git_alias_config); | |
186 | if (alias_string) { | |
dfd42a3c | 187 | if (alias_string[0] == '!') { |
a2f8028d JS |
188 | if (*argcp > 1) { |
189 | int i, sz = PATH_MAX; | |
190 | char *s = xmalloc(sz), *new_alias = s; | |
191 | ||
192 | add_to_string(&s, &sz, alias_string, 0); | |
193 | free(alias_string); | |
194 | alias_string = new_alias; | |
195 | for (i = 1; i < *argcp && | |
196 | !add_to_string(&s, &sz, " ", 0) && | |
197 | !add_to_string(&s, &sz, (*argv)[i], 1) | |
198 | ; i++) | |
199 | ; /* do nothing */ | |
200 | if (!sz) | |
201 | die("Too many or long arguments"); | |
202 | } | |
dfd42a3c TT |
203 | trace_printf("trace: alias to shell cmd: %s => %s\n", |
204 | alias_command, alias_string + 1); | |
205 | ret = system(alias_string + 1); | |
206 | if (ret >= 0 && WIFEXITED(ret) && | |
207 | WEXITSTATUS(ret) != 127) | |
208 | exit(WEXITSTATUS(ret)); | |
209 | die("Failed to run '%s' when expanding alias '%s'\n", | |
210 | alias_string + 1, alias_command); | |
211 | } | |
0347a8c7 | 212 | count = split_cmdline(alias_string, &new_argv); |
4394efec ML |
213 | option_count = handle_options(&new_argv, &count, &envchanged); |
214 | if (envchanged) | |
215 | die("alias '%s' changes environment variables\n" | |
216 | "You can use '!git' in the alias to do this.", | |
217 | alias_command); | |
0347a8c7 ML |
218 | memmove(new_argv - option_count, new_argv, |
219 | count * sizeof(char *)); | |
220 | new_argv -= option_count; | |
221 | ||
222 | if (count < 1) | |
223 | die("empty alias for %s", alias_command); | |
224 | ||
225 | if (!strcmp(alias_command, new_argv[0])) | |
226 | die("recursive alias: %s", alias_command); | |
227 | ||
6ce4e61f CC |
228 | trace_argv_printf(new_argv, count, |
229 | "trace: alias expansion: %s =>", | |
230 | alias_command); | |
575ba9d6 | 231 | |
83572c1a JF |
232 | new_argv = xrealloc(new_argv, sizeof(char*) * |
233 | (count + *argcp + 1)); | |
0347a8c7 ML |
234 | /* insert after command name */ |
235 | memcpy(new_argv + count, *argv + 1, sizeof(char*) * *argcp); | |
236 | new_argv[count+*argcp] = NULL; | |
2b11e317 | 237 | |
0347a8c7 ML |
238 | *argv = new_argv; |
239 | *argcp += count - 1; | |
2b11e317 | 240 | |
0347a8c7 | 241 | ret = 1; |
2b11e317 JS |
242 | } |
243 | ||
244 | if (subdir) | |
245 | chdir(subdir); | |
246 | ||
47e5c0ca JS |
247 | errno = saved_errno; |
248 | ||
2b11e317 JS |
249 | return ret; |
250 | } | |
251 | ||
70827b15 | 252 | const char git_version_string[] = GIT_VERSION; |
5b84f4d8 | 253 | |
efffea03 JH |
254 | #define RUN_SETUP (1<<0) |
255 | #define USE_PAGER (1<<1) | |
7eff28a9 SP |
256 | /* |
257 | * require working tree to be present -- anything uses this needs | |
258 | * RUN_SETUP for reading from the configuration file. | |
259 | */ | |
7ae3df8c | 260 | #define NEED_WORK_TREE (1<<2) |
a633fca0 | 261 | |
47d0b4ff LT |
262 | struct cmd_struct { |
263 | const char *cmd; | |
264 | int (*fn)(int, const char **, const char *); | |
265 | int option; | |
266 | }; | |
267 | ||
268 | static int run_command(struct cmd_struct *p, int argc, const char **argv) | |
269 | { | |
0f157315 LT |
270 | int status; |
271 | struct stat st; | |
47d0b4ff LT |
272 | const char *prefix; |
273 | ||
274 | prefix = NULL; | |
275 | if (p->option & RUN_SETUP) | |
276 | prefix = setup_git_directory(); | |
277 | if (p->option & USE_PAGER) | |
278 | setup_pager(); | |
e90fdc39 JS |
279 | if (p->option & NEED_WORK_TREE) { |
280 | const char *work_tree = get_git_work_tree(); | |
281 | const char *git_dir = get_git_dir(); | |
282 | if (!is_absolute_path(git_dir)) | |
283 | set_git_dir(make_absolute_path(git_dir)); | |
284 | if (!work_tree || chdir(work_tree)) | |
285 | die("%s must be run in a work tree", p->cmd); | |
286 | } | |
47d0b4ff LT |
287 | trace_argv_printf(argv, argc, "trace: built-in: git"); |
288 | ||
0f157315 LT |
289 | status = p->fn(argc, argv, prefix); |
290 | if (status) | |
291 | return status; | |
292 | ||
293 | /* Somebody closed stdout? */ | |
294 | if (fstat(fileno(stdout), &st)) | |
295 | return 0; | |
296 | /* Ignore write errors for pipes and sockets.. */ | |
297 | if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode)) | |
298 | return 0; | |
299 | ||
300 | /* Check for ENOSPC and EIO errors.. */ | |
0227f988 | 301 | if (fflush(stdout)) |
0f157315 | 302 | die("write failure on standard output: %s", strerror(errno)); |
0227f988 LT |
303 | if (ferror(stdout)) |
304 | die("unknown write failure on standard output"); | |
305 | if (fclose(stdout)) | |
306 | die("close failed on standard output: %s", strerror(errno)); | |
0f157315 | 307 | return 0; |
47d0b4ff LT |
308 | } |
309 | ||
310 | static void handle_internal_command(int argc, const char **argv) | |
231af832 LT |
311 | { |
312 | const char *cmd = argv[0]; | |
47d0b4ff | 313 | static struct cmd_struct commands[] = { |
7ae3df8c | 314 | { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE }, |
d97bc5de | 315 | { "annotate", cmd_annotate, RUN_SETUP }, |
f754fa9c | 316 | { "apply", cmd_apply }, |
265d5280 | 317 | { "archive", cmd_archive }, |
4f0219a4 | 318 | { "blame", cmd_blame, RUN_SETUP }, |
1da1b3a3 | 319 | { "branch", cmd_branch, RUN_SETUP }, |
2e0afafe | 320 | { "bundle", cmd_bundle }, |
efffea03 | 321 | { "cat-file", cmd_cat_file, RUN_SETUP }, |
4465f410 JS |
322 | { "checkout-index", cmd_checkout_index, |
323 | RUN_SETUP | NEED_WORK_TREE}, | |
0864f264 | 324 | { "check-ref-format", cmd_check_ref_format }, |
7ae3df8c | 325 | { "check-attr", cmd_check_attr, RUN_SETUP | NEED_WORK_TREE }, |
e827633a | 326 | { "cherry", cmd_cherry, RUN_SETUP }, |
7ae3df8c | 327 | { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE }, |
efffea03 | 328 | { "commit-tree", cmd_commit_tree, RUN_SETUP }, |
e0d10e1c | 329 | { "config", cmd_config }, |
8112894d | 330 | { "count-objects", cmd_count_objects, RUN_SETUP }, |
9a0eaf83 | 331 | { "describe", cmd_describe, RUN_SETUP }, |
89d07f75 | 332 | { "diff", cmd_diff }, |
d516c2d1 | 333 | { "diff-files", cmd_diff_files }, |
efffea03 | 334 | { "diff-index", cmd_diff_index, RUN_SETUP }, |
efffea03 | 335 | { "diff-tree", cmd_diff_tree, RUN_SETUP }, |
d4289fff | 336 | { "fetch--tool", cmd_fetch__tool, RUN_SETUP }, |
efffea03 | 337 | { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP }, |
9f613ddd | 338 | { "for-each-ref", cmd_for_each_ref, RUN_SETUP }, |
efffea03 | 339 | { "format-patch", cmd_format_patch, RUN_SETUP }, |
b4dfefe0 MW |
340 | { "fsck", cmd_fsck, RUN_SETUP }, |
341 | { "fsck-objects", cmd_fsck, RUN_SETUP }, | |
6757ada4 | 342 | { "gc", cmd_gc, RUN_SETUP }, |
f754fa9c | 343 | { "get-tar-commit-id", cmd_get_tar_commit_id }, |
34c6a82b | 344 | { "grep", cmd_grep, RUN_SETUP | USE_PAGER }, |
f754fa9c | 345 | { "help", cmd_help }, |
515377ea | 346 | { "init", cmd_init_db }, |
f754fa9c | 347 | { "init-db", cmd_init_db }, |
efffea03 JH |
348 | { "log", cmd_log, RUN_SETUP | USE_PAGER }, |
349 | { "ls-files", cmd_ls_files, RUN_SETUP }, | |
350 | { "ls-tree", cmd_ls_tree, RUN_SETUP }, | |
f754fa9c JH |
351 | { "mailinfo", cmd_mailinfo }, |
352 | { "mailsplit", cmd_mailsplit }, | |
71dfbf22 | 353 | { "merge-base", cmd_merge_base, RUN_SETUP }, |
ba1f5f35 | 354 | { "merge-file", cmd_merge_file }, |
7ae3df8c | 355 | { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE }, |
efffea03 JH |
356 | { "name-rev", cmd_name_rev, RUN_SETUP }, |
357 | { "pack-objects", cmd_pack_objects, RUN_SETUP }, | |
d97bc5de | 358 | { "pickaxe", cmd_blame, RUN_SETUP }, |
efffea03 JH |
359 | { "prune", cmd_prune, RUN_SETUP }, |
360 | { "prune-packed", cmd_prune_packed, RUN_SETUP }, | |
102cb085 | 361 | { "push", cmd_push, RUN_SETUP }, |
efffea03 | 362 | { "read-tree", cmd_read_tree, RUN_SETUP }, |
4264dc15 | 363 | { "reflog", cmd_reflog, RUN_SETUP }, |
e0d10e1c | 364 | { "repo-config", cmd_config }, |
658f3650 | 365 | { "rerere", cmd_rerere, RUN_SETUP }, |
efffea03 JH |
366 | { "rev-list", cmd_rev_list, RUN_SETUP }, |
367 | { "rev-parse", cmd_rev_parse, RUN_SETUP }, | |
7ae3df8c ML |
368 | { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE }, |
369 | { "rm", cmd_rm, RUN_SETUP | NEED_WORK_TREE }, | |
370 | { "runstatus", cmd_runstatus, RUN_SETUP | NEED_WORK_TREE }, | |
1d541c12 | 371 | { "shortlog", cmd_shortlog, RUN_SETUP | USE_PAGER }, |
efffea03 JH |
372 | { "show-branch", cmd_show_branch, RUN_SETUP }, |
373 | { "show", cmd_show, RUN_SETUP | USE_PAGER }, | |
f754fa9c | 374 | { "stripspace", cmd_stripspace }, |
efffea03 | 375 | { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP }, |
62e09ce9 | 376 | { "tag", cmd_tag, RUN_SETUP }, |
9cb90b80 | 377 | { "tar-tree", cmd_tar_tree }, |
efffea03 JH |
378 | { "unpack-objects", cmd_unpack_objects, RUN_SETUP }, |
379 | { "update-index", cmd_update_index, RUN_SETUP }, | |
380 | { "update-ref", cmd_update_ref, RUN_SETUP }, | |
39345a21 | 381 | { "upload-archive", cmd_upload_archive }, |
2ae68fcb | 382 | { "verify-tag", cmd_verify_tag, RUN_SETUP }, |
f754fa9c | 383 | { "version", cmd_version }, |
efffea03 JH |
384 | { "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER }, |
385 | { "write-tree", cmd_write_tree, RUN_SETUP }, | |
2e3ed670 | 386 | { "verify-pack", cmd_verify_pack }, |
358ddb62 | 387 | { "show-ref", cmd_show_ref, RUN_SETUP }, |
e1e22e37 | 388 | { "pack-refs", cmd_pack_refs, RUN_SETUP }, |
231af832 LT |
389 | }; |
390 | int i; | |
391 | ||
1cd95087 LT |
392 | /* Turn "git cmd --help" into "git help cmd" */ |
393 | if (argc > 1 && !strcmp(argv[1], "--help")) { | |
394 | argv[1] = argv[0]; | |
395 | argv[0] = cmd = "help"; | |
396 | } | |
397 | ||
231af832 LT |
398 | for (i = 0; i < ARRAY_SIZE(commands); i++) { |
399 | struct cmd_struct *p = commands+i; | |
400 | if (strcmp(p->cmd, cmd)) | |
401 | continue; | |
47d0b4ff | 402 | exit(run_command(p, argc, argv)); |
231af832 LT |
403 | } |
404 | } | |
405 | ||
47d0b4ff | 406 | int main(int argc, const char **argv) |
8e49d503 | 407 | { |
5b6df8e4 | 408 | const char *cmd = argv[0] ? argv[0] : "git-help"; |
231af832 | 409 | char *slash = strrchr(cmd, '/'); |
231af832 | 410 | const char *exec_path = NULL; |
a025463b | 411 | int done_alias = 0; |
231af832 LT |
412 | |
413 | /* | |
414 | * Take the basename of argv[0] as the command | |
415 | * name, and the dirname as the default exec_path | |
416 | * if it's an absolute path and we don't have | |
417 | * anything better. | |
418 | */ | |
419 | if (slash) { | |
420 | *slash++ = 0; | |
421 | if (*cmd == '/') | |
422 | exec_path = cmd; | |
423 | cmd = slash; | |
424 | } | |
8e49d503 | 425 | |
231af832 LT |
426 | /* |
427 | * "git-xxxx" is the same as "git xxxx", but we obviously: | |
428 | * | |
429 | * - cannot take flags in between the "git" and the "xxxx". | |
430 | * - cannot execute it externally (since it would just do | |
431 | * the same thing over again) | |
432 | * | |
433 | * So we just directly call the internal command handler, and | |
434 | * die if that one cannot handle it. | |
435 | */ | |
cc44c765 | 436 | if (!prefixcmp(cmd, "git-")) { |
231af832 LT |
437 | cmd += 4; |
438 | argv[0] = cmd; | |
47d0b4ff | 439 | handle_internal_command(argc, argv); |
231af832 LT |
440 | die("cannot handle %s internally", cmd); |
441 | } | |
8e49d503 | 442 | |
231af832 | 443 | /* Look for flags.. */ |
6acbcb92 JS |
444 | argv++; |
445 | argc--; | |
4394efec | 446 | handle_options(&argv, &argc, NULL); |
6acbcb92 | 447 | if (argc > 0) { |
cc44c765 | 448 | if (!prefixcmp(argv[0], "--")) |
6acbcb92 JS |
449 | argv[0] += 2; |
450 | } else { | |
451 | /* Default command: "help" */ | |
452 | argv[0] = "help"; | |
453 | argc = 1; | |
97fc6c5f | 454 | } |
6acbcb92 | 455 | cmd = argv[0]; |
231af832 LT |
456 | |
457 | /* | |
cf32190a JH |
458 | * We execute external git command via execv_git_cmd(), |
459 | * which looks at "--exec-path" option, GIT_EXEC_PATH | |
460 | * environment, and $(gitexecdir) in Makefile while built, | |
461 | * in this order. For scripted commands, we prepend | |
462 | * the value of the exec_path variable to the PATH. | |
231af832 LT |
463 | */ |
464 | if (exec_path) | |
465 | prepend_to_path(exec_path, strlen(exec_path)); | |
77cb17e9 MO |
466 | exec_path = git_exec_path(); |
467 | prepend_to_path(exec_path, strlen(exec_path)); | |
8e49d503 | 468 | |
a025463b JH |
469 | while (1) { |
470 | /* See if it's an internal command */ | |
47d0b4ff | 471 | handle_internal_command(argc, argv); |
2b11e317 | 472 | |
a025463b JH |
473 | /* .. then try the external ones */ |
474 | execv_git_cmd(argv); | |
231af832 | 475 | |
a025463b JH |
476 | /* It could be an alias -- this works around the insanity |
477 | * of overriding "git log" with "git show" by having | |
478 | * alias.log = show | |
479 | */ | |
480 | if (done_alias || !handle_alias(&argc, &argv)) | |
481 | break; | |
482 | done_alias = 1; | |
483 | } | |
10b15b86 | 484 | |
f3dd015c TT |
485 | if (errno == ENOENT) { |
486 | if (done_alias) { | |
487 | fprintf(stderr, "Expansion of alias '%s' failed; " | |
488 | "'%s' is not a git-command\n", | |
489 | cmd, argv[0]); | |
490 | exit(1); | |
491 | } | |
822a7d50 | 492 | help_unknown_cmd(cmd); |
f3dd015c | 493 | } |
10b15b86 AR |
494 | |
495 | fprintf(stderr, "Failed to run command '%s': %s\n", | |
33ebb871 | 496 | cmd, strerror(errno)); |
8e49d503 AE |
497 | |
498 | return 1; | |
499 | } |