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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 | |
4394efec | 9 | static int handle_options(const char*** argv, int* argc, int* envchanged) |
4ab243a9 JS |
10 | { |
11 | int handled = 0; | |
12 | ||
13 | while (*argc > 0) { | |
14 | const char *cmd = (*argv)[0]; | |
15 | if (cmd[0] != '-') | |
16 | break; | |
17 | ||
6acbcb92 JS |
18 | /* |
19 | * For legacy reasons, the "version" and "help" | |
20 | * commands can be written with "--" prepended | |
21 | * to make them look like flags. | |
22 | */ | |
23 | if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version")) | |
24 | break; | |
25 | ||
26 | /* | |
27 | * Check remaining flags. | |
28 | */ | |
cc44c765 | 29 | if (!prefixcmp(cmd, "--exec-path")) { |
6acbcb92 JS |
30 | cmd += 11; |
31 | if (*cmd == '=') | |
384df833 | 32 | git_set_argv_exec_path(cmd + 1); |
6acbcb92 JS |
33 | else { |
34 | puts(git_exec_path()); | |
35 | exit(0); | |
36 | } | |
37 | } else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) { | |
4ab243a9 | 38 | setup_pager(); |
463a849d MM |
39 | } else if (!strcmp(cmd, "--no-pager")) { |
40 | setenv("GIT_PAGER", "cat", 1); | |
41 | if (envchanged) | |
42 | *envchanged = 1; | |
6acbcb92 | 43 | } else if (!strcmp(cmd, "--git-dir")) { |
c321f00d BG |
44 | if (*argc < 2) { |
45 | fprintf(stderr, "No directory given for --git-dir.\n" ); | |
46 | usage(git_usage_string); | |
47 | } | |
45b09794 | 48 | setenv(GIT_DIR_ENVIRONMENT, (*argv)[1], 1); |
4394efec ML |
49 | if (envchanged) |
50 | *envchanged = 1; | |
6acbcb92 JS |
51 | (*argv)++; |
52 | (*argc)--; | |
e4b02333 | 53 | handled++; |
cc44c765 | 54 | } else if (!prefixcmp(cmd, "--git-dir=")) { |
45b09794 | 55 | setenv(GIT_DIR_ENVIRONMENT, cmd + 10, 1); |
4394efec ML |
56 | if (envchanged) |
57 | *envchanged = 1; | |
892c41b9 ML |
58 | } else if (!strcmp(cmd, "--work-tree")) { |
59 | if (*argc < 2) { | |
60 | fprintf(stderr, "No directory given for --work-tree.\n" ); | |
61 | usage(git_usage_string); | |
62 | } | |
63 | setenv(GIT_WORK_TREE_ENVIRONMENT, (*argv)[1], 1); | |
4394efec ML |
64 | if (envchanged) |
65 | *envchanged = 1; | |
892c41b9 ML |
66 | (*argv)++; |
67 | (*argc)--; | |
68 | } else if (!prefixcmp(cmd, "--work-tree=")) { | |
69 | setenv(GIT_WORK_TREE_ENVIRONMENT, cmd + 12, 1); | |
4394efec ML |
70 | if (envchanged) |
71 | *envchanged = 1; | |
6acbcb92 | 72 | } else if (!strcmp(cmd, "--bare")) { |
ef5ddb2f | 73 | static char git_dir[PATH_MAX+1]; |
6adcca3f | 74 | is_bare_repository_cfg = 1; |
9277d602 | 75 | setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, sizeof(git_dir)), 0); |
4394efec ML |
76 | if (envchanged) |
77 | *envchanged = 1; | |
6acbcb92 JS |
78 | } else { |
79 | fprintf(stderr, "Unknown option: %s\n", cmd); | |
822a7d50 | 80 | usage(git_usage_string); |
6acbcb92 | 81 | } |
4ab243a9 JS |
82 | |
83 | (*argv)++; | |
84 | (*argc)--; | |
85 | handled++; | |
86 | } | |
87 | return handled; | |
88 | } | |
89 | ||
2b11e317 | 90 | static const char *alias_command; |
96f1e58f | 91 | static char *alias_string; |
2b11e317 JS |
92 | |
93 | static int git_alias_config(const char *var, const char *value) | |
94 | { | |
cc44c765 | 95 | if (!prefixcmp(var, "alias.") && !strcmp(var + 6, alias_command)) { |
e08404a8 JH |
96 | if (!value) |
97 | return config_error_nonbool(var); | |
9befac47 | 98 | alias_string = xstrdup(value); |
2b11e317 JS |
99 | } |
100 | return 0; | |
101 | } | |
102 | ||
103 | static int split_cmdline(char *cmdline, const char ***argv) | |
104 | { | |
105 | int src, dst, count = 0, size = 16; | |
106 | char quoted = 0; | |
107 | ||
3301521a | 108 | *argv = xmalloc(sizeof(char*) * size); |
2b11e317 JS |
109 | |
110 | /* split alias_string */ | |
111 | (*argv)[count++] = cmdline; | |
112 | for (src = dst = 0; cmdline[src];) { | |
113 | char c = cmdline[src]; | |
114 | if (!quoted && isspace(c)) { | |
115 | cmdline[dst++] = 0; | |
116 | while (cmdline[++src] | |
117 | && isspace(cmdline[src])) | |
118 | ; /* skip */ | |
119 | if (count >= size) { | |
120 | size += 16; | |
83572c1a | 121 | *argv = xrealloc(*argv, sizeof(char*) * size); |
2b11e317 JS |
122 | } |
123 | (*argv)[count++] = cmdline + dst; | |
124 | } else if(!quoted && (c == '\'' || c == '"')) { | |
125 | quoted = c; | |
126 | src++; | |
127 | } else if (c == quoted) { | |
128 | quoted = 0; | |
129 | src++; | |
130 | } else { | |
131 | if (c == '\\' && quoted != '\'') { | |
132 | src++; | |
133 | c = cmdline[src]; | |
134 | if (!c) { | |
135 | free(*argv); | |
136 | *argv = NULL; | |
137 | return error("cmdline ends with \\"); | |
138 | } | |
139 | } | |
140 | cmdline[dst++] = c; | |
141 | src++; | |
142 | } | |
143 | } | |
144 | ||
145 | cmdline[dst] = 0; | |
146 | ||
147 | if (quoted) { | |
148 | free(*argv); | |
149 | *argv = NULL; | |
150 | return error("unclosed quote"); | |
151 | } | |
152 | ||
153 | return count; | |
154 | } | |
155 | ||
156 | static int handle_alias(int *argcp, const char ***argv) | |
157 | { | |
4394efec | 158 | int nongit = 0, envchanged = 0, ret = 0, saved_errno = errno; |
2b11e317 | 159 | const char *subdir; |
0347a8c7 ML |
160 | int count, option_count; |
161 | const char** new_argv; | |
2b11e317 JS |
162 | |
163 | subdir = setup_git_directory_gently(&nongit); | |
0347a8c7 ML |
164 | |
165 | alias_command = (*argv)[0]; | |
166 | git_config(git_alias_config); | |
167 | if (alias_string) { | |
dfd42a3c | 168 | if (alias_string[0] == '!') { |
a2f8028d | 169 | if (*argcp > 1) { |
7a33bcbe | 170 | struct strbuf buf; |
a2f8028d | 171 | |
7a33bcbe PH |
172 | strbuf_init(&buf, PATH_MAX); |
173 | strbuf_addstr(&buf, alias_string); | |
b319ce4c | 174 | sq_quote_argv(&buf, (*argv) + 1, PATH_MAX); |
a2f8028d | 175 | free(alias_string); |
7a33bcbe | 176 | alias_string = buf.buf; |
a2f8028d | 177 | } |
dfd42a3c TT |
178 | trace_printf("trace: alias to shell cmd: %s => %s\n", |
179 | alias_command, alias_string + 1); | |
180 | ret = system(alias_string + 1); | |
181 | if (ret >= 0 && WIFEXITED(ret) && | |
182 | WEXITSTATUS(ret) != 127) | |
183 | exit(WEXITSTATUS(ret)); | |
184 | die("Failed to run '%s' when expanding alias '%s'\n", | |
185 | alias_string + 1, alias_command); | |
186 | } | |
0347a8c7 | 187 | count = split_cmdline(alias_string, &new_argv); |
4394efec ML |
188 | option_count = handle_options(&new_argv, &count, &envchanged); |
189 | if (envchanged) | |
190 | die("alias '%s' changes environment variables\n" | |
191 | "You can use '!git' in the alias to do this.", | |
192 | alias_command); | |
0347a8c7 ML |
193 | memmove(new_argv - option_count, new_argv, |
194 | count * sizeof(char *)); | |
195 | new_argv -= option_count; | |
196 | ||
197 | if (count < 1) | |
198 | die("empty alias for %s", alias_command); | |
199 | ||
200 | if (!strcmp(alias_command, new_argv[0])) | |
201 | die("recursive alias: %s", alias_command); | |
202 | ||
b319ce4c | 203 | trace_argv_printf(new_argv, |
6ce4e61f CC |
204 | "trace: alias expansion: %s =>", |
205 | alias_command); | |
575ba9d6 | 206 | |
83572c1a JF |
207 | new_argv = xrealloc(new_argv, sizeof(char*) * |
208 | (count + *argcp + 1)); | |
0347a8c7 ML |
209 | /* insert after command name */ |
210 | memcpy(new_argv + count, *argv + 1, sizeof(char*) * *argcp); | |
211 | new_argv[count+*argcp] = NULL; | |
2b11e317 | 212 | |
0347a8c7 ML |
213 | *argv = new_argv; |
214 | *argcp += count - 1; | |
2b11e317 | 215 | |
0347a8c7 | 216 | ret = 1; |
2b11e317 JS |
217 | } |
218 | ||
219 | if (subdir) | |
220 | chdir(subdir); | |
221 | ||
47e5c0ca JS |
222 | errno = saved_errno; |
223 | ||
2b11e317 JS |
224 | return ret; |
225 | } | |
226 | ||
70827b15 | 227 | const char git_version_string[] = GIT_VERSION; |
5b84f4d8 | 228 | |
efffea03 JH |
229 | #define RUN_SETUP (1<<0) |
230 | #define USE_PAGER (1<<1) | |
7eff28a9 SP |
231 | /* |
232 | * require working tree to be present -- anything uses this needs | |
233 | * RUN_SETUP for reading from the configuration file. | |
234 | */ | |
7ae3df8c | 235 | #define NEED_WORK_TREE (1<<2) |
a633fca0 | 236 | |
47d0b4ff LT |
237 | struct cmd_struct { |
238 | const char *cmd; | |
239 | int (*fn)(int, const char **, const char *); | |
240 | int option; | |
241 | }; | |
242 | ||
243 | static int run_command(struct cmd_struct *p, int argc, const char **argv) | |
244 | { | |
0f157315 LT |
245 | int status; |
246 | struct stat st; | |
47d0b4ff LT |
247 | const char *prefix; |
248 | ||
249 | prefix = NULL; | |
250 | if (p->option & RUN_SETUP) | |
251 | prefix = setup_git_directory(); | |
252 | if (p->option & USE_PAGER) | |
253 | setup_pager(); | |
59f0f2f3 MH |
254 | if (p->option & NEED_WORK_TREE) |
255 | setup_work_tree(); | |
256 | ||
b319ce4c | 257 | trace_argv_printf(argv, "trace: built-in: git"); |
47d0b4ff | 258 | |
0f157315 LT |
259 | status = p->fn(argc, argv, prefix); |
260 | if (status) | |
2488df84 | 261 | return status & 0xff; |
0f157315 LT |
262 | |
263 | /* Somebody closed stdout? */ | |
264 | if (fstat(fileno(stdout), &st)) | |
265 | return 0; | |
266 | /* Ignore write errors for pipes and sockets.. */ | |
267 | if (S_ISFIFO(st.st_mode) || S_ISSOCK(st.st_mode)) | |
268 | return 0; | |
269 | ||
270 | /* Check for ENOSPC and EIO errors.. */ | |
0227f988 | 271 | if (fflush(stdout)) |
0f157315 | 272 | die("write failure on standard output: %s", strerror(errno)); |
0227f988 LT |
273 | if (ferror(stdout)) |
274 | die("unknown write failure on standard output"); | |
275 | if (fclose(stdout)) | |
276 | die("close failed on standard output: %s", strerror(errno)); | |
0f157315 | 277 | return 0; |
47d0b4ff LT |
278 | } |
279 | ||
280 | static void handle_internal_command(int argc, const char **argv) | |
231af832 LT |
281 | { |
282 | const char *cmd = argv[0]; | |
47d0b4ff | 283 | static struct cmd_struct commands[] = { |
7ae3df8c | 284 | { "add", cmd_add, RUN_SETUP | NEED_WORK_TREE }, |
d97bc5de | 285 | { "annotate", cmd_annotate, RUN_SETUP }, |
f754fa9c | 286 | { "apply", cmd_apply }, |
265d5280 | 287 | { "archive", cmd_archive }, |
4f0219a4 | 288 | { "blame", cmd_blame, RUN_SETUP }, |
1da1b3a3 | 289 | { "branch", cmd_branch, RUN_SETUP }, |
2e0afafe | 290 | { "bundle", cmd_bundle }, |
efffea03 | 291 | { "cat-file", cmd_cat_file, RUN_SETUP }, |
4465f410 JS |
292 | { "checkout-index", cmd_checkout_index, |
293 | RUN_SETUP | NEED_WORK_TREE}, | |
0864f264 | 294 | { "check-ref-format", cmd_check_ref_format }, |
7ae3df8c | 295 | { "check-attr", cmd_check_attr, RUN_SETUP | NEED_WORK_TREE }, |
e827633a | 296 | { "cherry", cmd_cherry, RUN_SETUP }, |
7ae3df8c | 297 | { "cherry-pick", cmd_cherry_pick, RUN_SETUP | NEED_WORK_TREE }, |
113f10f2 | 298 | { "clean", cmd_clean, RUN_SETUP | NEED_WORK_TREE }, |
f5bbc322 | 299 | { "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE }, |
efffea03 | 300 | { "commit-tree", cmd_commit_tree, RUN_SETUP }, |
e0d10e1c | 301 | { "config", cmd_config }, |
8112894d | 302 | { "count-objects", cmd_count_objects, RUN_SETUP }, |
9a0eaf83 | 303 | { "describe", cmd_describe, RUN_SETUP }, |
89d07f75 | 304 | { "diff", cmd_diff }, |
d516c2d1 | 305 | { "diff-files", cmd_diff_files }, |
efffea03 | 306 | { "diff-index", cmd_diff_index, RUN_SETUP }, |
efffea03 | 307 | { "diff-tree", cmd_diff_tree, RUN_SETUP }, |
f2dc849e | 308 | { "fast-export", cmd_fast_export, RUN_SETUP }, |
b888d61c | 309 | { "fetch", cmd_fetch, RUN_SETUP }, |
2d4177c0 | 310 | { "fetch-pack", cmd_fetch_pack, RUN_SETUP }, |
d4289fff | 311 | { "fetch--tool", cmd_fetch__tool, RUN_SETUP }, |
efffea03 | 312 | { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP }, |
9f613ddd | 313 | { "for-each-ref", cmd_for_each_ref, RUN_SETUP }, |
efffea03 | 314 | { "format-patch", cmd_format_patch, RUN_SETUP }, |
b4dfefe0 MW |
315 | { "fsck", cmd_fsck, RUN_SETUP }, |
316 | { "fsck-objects", cmd_fsck, RUN_SETUP }, | |
6757ada4 | 317 | { "gc", cmd_gc, RUN_SETUP }, |
f754fa9c | 318 | { "get-tar-commit-id", cmd_get_tar_commit_id }, |
34c6a82b | 319 | { "grep", cmd_grep, RUN_SETUP | USE_PAGER }, |
f754fa9c | 320 | { "help", cmd_help }, |
30ae764b DB |
321 | #ifndef NO_CURL |
322 | { "http-fetch", cmd_http_fetch, RUN_SETUP }, | |
323 | #endif | |
515377ea | 324 | { "init", cmd_init_db }, |
f754fa9c | 325 | { "init-db", cmd_init_db }, |
efffea03 JH |
326 | { "log", cmd_log, RUN_SETUP | USE_PAGER }, |
327 | { "ls-files", cmd_ls_files, RUN_SETUP }, | |
328 | { "ls-tree", cmd_ls_tree, RUN_SETUP }, | |
8951d7c1 | 329 | { "ls-remote", cmd_ls_remote }, |
f754fa9c JH |
330 | { "mailinfo", cmd_mailinfo }, |
331 | { "mailsplit", cmd_mailsplit }, | |
71dfbf22 | 332 | { "merge-base", cmd_merge_base, RUN_SETUP }, |
ba1f5f35 | 333 | { "merge-file", cmd_merge_file }, |
a00a42ae | 334 | { "merge-ours", cmd_merge_ours, RUN_SETUP }, |
7ae3df8c | 335 | { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE }, |
efffea03 JH |
336 | { "name-rev", cmd_name_rev, RUN_SETUP }, |
337 | { "pack-objects", cmd_pack_objects, RUN_SETUP }, | |
8951d7c1 | 338 | { "peek-remote", cmd_ls_remote }, |
d97bc5de | 339 | { "pickaxe", cmd_blame, RUN_SETUP }, |
efffea03 JH |
340 | { "prune", cmd_prune, RUN_SETUP }, |
341 | { "prune-packed", cmd_prune_packed, RUN_SETUP }, | |
102cb085 | 342 | { "push", cmd_push, RUN_SETUP }, |
efffea03 | 343 | { "read-tree", cmd_read_tree, RUN_SETUP }, |
4264dc15 | 344 | { "reflog", cmd_reflog, RUN_SETUP }, |
e0d10e1c | 345 | { "repo-config", cmd_config }, |
658f3650 | 346 | { "rerere", cmd_rerere, RUN_SETUP }, |
0e5a7faa | 347 | { "reset", cmd_reset, RUN_SETUP }, |
efffea03 | 348 | { "rev-list", cmd_rev_list, RUN_SETUP }, |
5410a02a | 349 | { "rev-parse", cmd_rev_parse }, |
7ae3df8c | 350 | { "revert", cmd_revert, RUN_SETUP | NEED_WORK_TREE }, |
271bb087 | 351 | { "rm", cmd_rm, RUN_SETUP }, |
96249c04 | 352 | { "send-pack", cmd_send_pack, RUN_SETUP }, |
1d541c12 | 353 | { "shortlog", cmd_shortlog, RUN_SETUP | USE_PAGER }, |
efffea03 JH |
354 | { "show-branch", cmd_show_branch, RUN_SETUP }, |
355 | { "show", cmd_show, RUN_SETUP | USE_PAGER }, | |
f5bbc322 | 356 | { "status", cmd_status, RUN_SETUP | NEED_WORK_TREE }, |
f754fa9c | 357 | { "stripspace", cmd_stripspace }, |
efffea03 | 358 | { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP }, |
62e09ce9 | 359 | { "tag", cmd_tag, RUN_SETUP }, |
9cb90b80 | 360 | { "tar-tree", cmd_tar_tree }, |
efffea03 JH |
361 | { "unpack-objects", cmd_unpack_objects, RUN_SETUP }, |
362 | { "update-index", cmd_update_index, RUN_SETUP }, | |
363 | { "update-ref", cmd_update_ref, RUN_SETUP }, | |
39345a21 | 364 | { "upload-archive", cmd_upload_archive }, |
2ae68fcb | 365 | { "verify-tag", cmd_verify_tag, RUN_SETUP }, |
f754fa9c | 366 | { "version", cmd_version }, |
efffea03 JH |
367 | { "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER }, |
368 | { "write-tree", cmd_write_tree, RUN_SETUP }, | |
2e3ed670 | 369 | { "verify-pack", cmd_verify_pack }, |
358ddb62 | 370 | { "show-ref", cmd_show_ref, RUN_SETUP }, |
e1e22e37 | 371 | { "pack-refs", cmd_pack_refs, RUN_SETUP }, |
231af832 LT |
372 | }; |
373 | int i; | |
374 | ||
1cd95087 LT |
375 | /* Turn "git cmd --help" into "git help cmd" */ |
376 | if (argc > 1 && !strcmp(argv[1], "--help")) { | |
377 | argv[1] = argv[0]; | |
378 | argv[0] = cmd = "help"; | |
379 | } | |
380 | ||
231af832 LT |
381 | for (i = 0; i < ARRAY_SIZE(commands); i++) { |
382 | struct cmd_struct *p = commands+i; | |
383 | if (strcmp(p->cmd, cmd)) | |
384 | continue; | |
47d0b4ff | 385 | exit(run_command(p, argc, argv)); |
231af832 LT |
386 | } |
387 | } | |
388 | ||
47d0b4ff | 389 | int main(int argc, const char **argv) |
8e49d503 | 390 | { |
5b6df8e4 | 391 | const char *cmd = argv[0] ? argv[0] : "git-help"; |
231af832 | 392 | char *slash = strrchr(cmd, '/'); |
511707d4 | 393 | const char *cmd_path = NULL; |
a025463b | 394 | int done_alias = 0; |
231af832 LT |
395 | |
396 | /* | |
397 | * Take the basename of argv[0] as the command | |
398 | * name, and the dirname as the default exec_path | |
43db492a | 399 | * if we don't have anything better. |
231af832 LT |
400 | */ |
401 | if (slash) { | |
402 | *slash++ = 0; | |
511707d4 | 403 | cmd_path = cmd; |
231af832 LT |
404 | cmd = slash; |
405 | } | |
8e49d503 | 406 | |
231af832 LT |
407 | /* |
408 | * "git-xxxx" is the same as "git xxxx", but we obviously: | |
409 | * | |
410 | * - cannot take flags in between the "git" and the "xxxx". | |
411 | * - cannot execute it externally (since it would just do | |
412 | * the same thing over again) | |
413 | * | |
414 | * So we just directly call the internal command handler, and | |
415 | * die if that one cannot handle it. | |
416 | */ | |
cc44c765 | 417 | if (!prefixcmp(cmd, "git-")) { |
231af832 LT |
418 | cmd += 4; |
419 | argv[0] = cmd; | |
47d0b4ff | 420 | handle_internal_command(argc, argv); |
231af832 LT |
421 | die("cannot handle %s internally", cmd); |
422 | } | |
8e49d503 | 423 | |
231af832 | 424 | /* Look for flags.. */ |
6acbcb92 JS |
425 | argv++; |
426 | argc--; | |
4394efec | 427 | handle_options(&argv, &argc, NULL); |
6acbcb92 | 428 | if (argc > 0) { |
cc44c765 | 429 | if (!prefixcmp(argv[0], "--")) |
6acbcb92 JS |
430 | argv[0] += 2; |
431 | } else { | |
3d7e2d85 SP |
432 | /* The user didn't specify a command; give them help */ |
433 | printf("usage: %s\n\n", git_usage_string); | |
434 | list_common_cmds_help(); | |
435 | exit(1); | |
97fc6c5f | 436 | } |
6acbcb92 | 437 | cmd = argv[0]; |
231af832 LT |
438 | |
439 | /* | |
511707d4 SP |
440 | * We use PATH to find git commands, but we prepend some higher |
441 | * precidence paths: the "--exec-path" option, the GIT_EXEC_PATH | |
442 | * environment, and the $(gitexecdir) from the Makefile at build | |
443 | * time. | |
231af832 | 444 | */ |
511707d4 | 445 | setup_path(cmd_path); |
8e49d503 | 446 | |
a025463b JH |
447 | while (1) { |
448 | /* See if it's an internal command */ | |
47d0b4ff | 449 | handle_internal_command(argc, argv); |
2b11e317 | 450 | |
a025463b JH |
451 | /* .. then try the external ones */ |
452 | execv_git_cmd(argv); | |
231af832 | 453 | |
a025463b JH |
454 | /* It could be an alias -- this works around the insanity |
455 | * of overriding "git log" with "git show" by having | |
456 | * alias.log = show | |
457 | */ | |
458 | if (done_alias || !handle_alias(&argc, &argv)) | |
459 | break; | |
460 | done_alias = 1; | |
461 | } | |
10b15b86 | 462 | |
f3dd015c TT |
463 | if (errno == ENOENT) { |
464 | if (done_alias) { | |
465 | fprintf(stderr, "Expansion of alias '%s' failed; " | |
466 | "'%s' is not a git-command\n", | |
467 | cmd, argv[0]); | |
468 | exit(1); | |
469 | } | |
822a7d50 | 470 | help_unknown_cmd(cmd); |
f3dd015c | 471 | } |
10b15b86 AR |
472 | |
473 | fprintf(stderr, "Failed to run command '%s': %s\n", | |
33ebb871 | 474 | cmd, strerror(errno)); |
8e49d503 AE |
475 | |
476 | return 1; | |
477 | } |