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Commit | Line | Data |
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4a59fd13 PH |
1 | #include "git-compat-util.h" |
2 | #include "parse-options.h" | |
26141b5b | 3 | #include "cache.h" |
b2141fc1 | 4 | #include "config.h" |
269defdf | 5 | #include "commit.h" |
73e9da01 | 6 | #include "color.h" |
c0821965 | 7 | #include "utf8.h" |
4a59fd13 | 8 | |
b02e7d5d JS |
9 | static int disallow_abbreviated_options; |
10 | ||
4a59fd13 PH |
11 | #define OPT_SHORT 1 |
12 | #define OPT_UNSET 2 | |
13 | ||
1f275b7c | 14 | int optbug(const struct option *opt, const char *reason) |
1e5ce570 | 15 | { |
af465af8 JH |
16 | if (opt->long_name) { |
17 | if (opt->short_name) | |
18 | return error("BUG: switch '%c' (--%s) %s", | |
19 | opt->short_name, opt->long_name, reason); | |
1e5ce570 | 20 | return error("BUG: option '%s' %s", opt->long_name, reason); |
af465af8 | 21 | } |
1e5ce570 JN |
22 | return error("BUG: switch '%c' %s", opt->short_name, reason); |
23 | } | |
24 | ||
f41179f1 NTND |
25 | static enum parse_opt_result get_arg(struct parse_opt_ctx_t *p, |
26 | const struct option *opt, | |
27 | int flags, const char **arg) | |
1cc6985c PH |
28 | { |
29 | if (p->opt) { | |
30 | *arg = p->opt; | |
31 | p->opt = NULL; | |
32 | } else if (p->argc == 1 && (opt->flags & PARSE_OPT_LASTARG_DEFAULT)) { | |
33 | *arg = (const char *)opt->defval; | |
d5d745f9 | 34 | } else if (p->argc > 1) { |
1cc6985c PH |
35 | p->argc--; |
36 | *arg = *++p->argv; | |
37 | } else | |
9440b831 | 38 | return error(_("%s requires a value"), optname(opt, flags)); |
1cc6985c PH |
39 | return 0; |
40 | } | |
41 | ||
df217ed6 SB |
42 | static void fix_filename(const char *prefix, const char **file) |
43 | { | |
44 | if (!file || !*file || !prefix || is_absolute_path(*file) | |
45 | || !strcmp("-", *file)) | |
46 | return; | |
e4da43b1 | 47 | *file = prefix_filename(prefix, *file); |
df217ed6 SB |
48 | } |
49 | ||
f41179f1 NTND |
50 | static enum parse_opt_result opt_command_mode_error( |
51 | const struct option *opt, | |
52 | const struct option *all_opts, | |
53 | int flags) | |
11588263 JH |
54 | { |
55 | const struct option *that; | |
11588263 JH |
56 | struct strbuf that_name = STRBUF_INIT; |
57 | ||
58 | /* | |
59 | * Find the other option that was used to set the variable | |
60 | * already, and report that this is not compatible with it. | |
61 | */ | |
62 | for (that = all_opts; that->type != OPTION_END; that++) { | |
63 | if (that == opt || | |
bc8620b4 | 64 | !(that->flags & PARSE_OPT_CMDMODE) || |
11588263 JH |
65 | that->value != opt->value || |
66 | that->defval != *(int *)opt->value) | |
67 | continue; | |
68 | ||
69 | if (that->long_name) | |
70 | strbuf_addf(&that_name, "--%s", that->long_name); | |
71 | else | |
72 | strbuf_addf(&that_name, "-%c", that->short_name); | |
9440b831 NTND |
73 | error(_("%s is incompatible with %s"), |
74 | optname(opt, flags), that_name.buf); | |
11588263 | 75 | strbuf_release(&that_name); |
f41179f1 | 76 | return PARSE_OPT_ERROR; |
11588263 | 77 | } |
9440b831 NTND |
78 | return error(_("%s : incompatible with something else"), |
79 | optname(opt, flags)); | |
11588263 JH |
80 | } |
81 | ||
f41179f1 NTND |
82 | static enum parse_opt_result get_value(struct parse_opt_ctx_t *p, |
83 | const struct option *opt, | |
84 | const struct option *all_opts, | |
85 | int flags) | |
4a59fd13 | 86 | { |
ffe659f9 | 87 | const char *s, *arg; |
db7244bd | 88 | const int unset = flags & OPT_UNSET; |
df217ed6 | 89 | int err; |
4a59fd13 | 90 | |
db7244bd | 91 | if (unset && p->opt) |
9440b831 | 92 | return error(_("%s takes no value"), optname(opt, flags)); |
db7244bd | 93 | if (unset && (opt->flags & PARSE_OPT_NONEG)) |
9440b831 | 94 | return error(_("%s isn't available"), optname(opt, flags)); |
c1f4ec9e | 95 | if (!(flags & OPT_SHORT) && p->opt && (opt->flags & PARSE_OPT_NOARG)) |
9440b831 | 96 | return error(_("%s takes no value"), optname(opt, flags)); |
db7244bd | 97 | |
bc8620b4 PB |
98 | /* |
99 | * Giving the same mode option twice, although unnecessary, | |
100 | * is not a grave error, so let it pass. | |
101 | */ | |
102 | if ((opt->flags & PARSE_OPT_CMDMODE) && | |
103 | *(int *)opt->value && *(int *)opt->value != opt->defval) | |
104 | return opt_command_mode_error(opt, all_opts, flags); | |
105 | ||
db7244bd | 106 | switch (opt->type) { |
b0b3a8b6 | 107 | case OPTION_LOWLEVEL_CALLBACK: |
3ebbe289 | 108 | return opt->ll_callback(p, opt, NULL, unset); |
b0b3a8b6 | 109 | |
db7244bd PH |
110 | case OPTION_BIT: |
111 | if (unset) | |
112 | *(int *)opt->value &= ~opt->defval; | |
4a59fd13 | 113 | else |
db7244bd PH |
114 | *(int *)opt->value |= opt->defval; |
115 | return 0; | |
116 | ||
2f4b97f9 RS |
117 | case OPTION_NEGBIT: |
118 | if (unset) | |
119 | *(int *)opt->value |= opt->defval; | |
120 | else | |
121 | *(int *)opt->value &= ~opt->defval; | |
122 | return 0; | |
123 | ||
f62470c6 NTND |
124 | case OPTION_BITOP: |
125 | if (unset) | |
126 | BUG("BITOP can't have unset form"); | |
127 | *(int *)opt->value &= ~opt->extra; | |
128 | *(int *)opt->value |= opt->defval; | |
129 | return 0; | |
130 | ||
b04ba2bb | 131 | case OPTION_COUNTUP: |
e0070e8b PB |
132 | if (*(int *)opt->value < 0) |
133 | *(int *)opt->value = 0; | |
db7244bd PH |
134 | *(int *)opt->value = unset ? 0 : *(int *)opt->value + 1; |
135 | return 0; | |
136 | ||
137 | case OPTION_SET_INT: | |
138 | *(int *)opt->value = unset ? 0 : opt->defval; | |
139 | return 0; | |
140 | ||
4a59fd13 | 141 | case OPTION_STRING: |
1cc6985c | 142 | if (unset) |
db7244bd | 143 | *(const char **)opt->value = NULL; |
1cc6985c | 144 | else if (opt->flags & PARSE_OPT_OPTARG && !p->opt) |
ffe659f9 | 145 | *(const char **)opt->value = (const char *)opt->defval; |
1cc6985c PH |
146 | else |
147 | return get_arg(p, opt, flags, (const char **)opt->value); | |
4a59fd13 PH |
148 | return 0; |
149 | ||
df217ed6 SB |
150 | case OPTION_FILENAME: |
151 | err = 0; | |
152 | if (unset) | |
153 | *(const char **)opt->value = NULL; | |
154 | else if (opt->flags & PARSE_OPT_OPTARG && !p->opt) | |
155 | *(const char **)opt->value = (const char *)opt->defval; | |
156 | else | |
157 | err = get_arg(p, opt, flags, (const char **)opt->value); | |
158 | ||
159 | if (!err) | |
160 | fix_filename(p->prefix, (const char **)opt->value); | |
161 | return err; | |
162 | ||
ffe659f9 | 163 | case OPTION_CALLBACK: |
3ebbe289 NTND |
164 | { |
165 | const char *p_arg = NULL; | |
166 | int p_unset; | |
167 | ||
db7244bd | 168 | if (unset) |
3ebbe289 NTND |
169 | p_unset = 1; |
170 | else if (opt->flags & PARSE_OPT_NOARG) | |
171 | p_unset = 0; | |
172 | else if (opt->flags & PARSE_OPT_OPTARG && !p->opt) | |
173 | p_unset = 0; | |
174 | else if (get_arg(p, opt, flags, &arg)) | |
1cc6985c | 175 | return -1; |
3ebbe289 NTND |
176 | else { |
177 | p_unset = 0; | |
178 | p_arg = arg; | |
179 | } | |
180 | if (opt->callback) | |
181 | return (*opt->callback)(opt, p_arg, p_unset) ? (-1) : 0; | |
182 | else | |
183 | return (*opt->ll_callback)(p, opt, p_arg, p_unset); | |
184 | } | |
4a59fd13 | 185 | case OPTION_INTEGER: |
db7244bd | 186 | if (unset) { |
4a59fd13 PH |
187 | *(int *)opt->value = 0; |
188 | return 0; | |
189 | } | |
c43a2483 | 190 | if (opt->flags & PARSE_OPT_OPTARG && !p->opt) { |
ffe659f9 PH |
191 | *(int *)opt->value = opt->defval; |
192 | return 0; | |
193 | } | |
1cc6985c PH |
194 | if (get_arg(p, opt, flags, &arg)) |
195 | return -1; | |
f7e68a08 NTND |
196 | if (!*arg) |
197 | return error(_("%s expects a numerical value"), | |
198 | optname(opt, flags)); | |
1cc6985c | 199 | *(int *)opt->value = strtol(arg, (char **)&s, 10); |
4a59fd13 | 200 | if (*s) |
9440b831 NTND |
201 | return error(_("%s expects a numerical value"), |
202 | optname(opt, flags)); | |
4a59fd13 PH |
203 | return 0; |
204 | ||
2a514ed8 CB |
205 | case OPTION_MAGNITUDE: |
206 | if (unset) { | |
207 | *(unsigned long *)opt->value = 0; | |
208 | return 0; | |
209 | } | |
210 | if (opt->flags & PARSE_OPT_OPTARG && !p->opt) { | |
211 | *(unsigned long *)opt->value = opt->defval; | |
212 | return 0; | |
213 | } | |
214 | if (get_arg(p, opt, flags, &arg)) | |
215 | return -1; | |
216 | if (!git_parse_ulong(arg, opt->value)) | |
9440b831 NTND |
217 | return error(_("%s expects a non-negative integer value" |
218 | " with an optional k/m/g suffix"), | |
219 | optname(opt, flags)); | |
2a514ed8 CB |
220 | return 0; |
221 | ||
4a59fd13 | 222 | default: |
48a5499e | 223 | BUG("opt->type %d should not happen", opt->type); |
4a59fd13 PH |
224 | } |
225 | } | |
226 | ||
f41179f1 NTND |
227 | static enum parse_opt_result parse_short_opt(struct parse_opt_ctx_t *p, |
228 | const struct option *options) | |
4a59fd13 | 229 | { |
11588263 | 230 | const struct option *all_opts = options; |
e0319ff5 RS |
231 | const struct option *numopt = NULL; |
232 | ||
4a59fd13 PH |
233 | for (; options->type != OPTION_END; options++) { |
234 | if (options->short_name == *p->opt) { | |
235 | p->opt = p->opt[1] ? p->opt + 1 : NULL; | |
11588263 | 236 | return get_value(p, options, all_opts, OPT_SHORT); |
4a59fd13 | 237 | } |
e0319ff5 RS |
238 | |
239 | /* | |
240 | * Handle the numerical option later, explicit one-digit | |
241 | * options take precedence over it. | |
242 | */ | |
243 | if (options->type == OPTION_NUMBER) | |
244 | numopt = options; | |
245 | } | |
246 | if (numopt && isdigit(*p->opt)) { | |
247 | size_t len = 1; | |
248 | char *arg; | |
249 | int rc; | |
250 | ||
251 | while (isdigit(p->opt[len])) | |
252 | len++; | |
253 | arg = xmemdupz(p->opt, len); | |
254 | p->opt = p->opt[len] ? p->opt + len : NULL; | |
3ebbe289 NTND |
255 | if (numopt->callback) |
256 | rc = (*numopt->callback)(numopt, arg, 0) ? (-1) : 0; | |
257 | else | |
258 | rc = (*numopt->ll_callback)(p, numopt, arg, 0); | |
e0319ff5 RS |
259 | free(arg); |
260 | return rc; | |
4a59fd13 | 261 | } |
f41179f1 | 262 | return PARSE_OPT_UNKNOWN; |
4a59fd13 PH |
263 | } |
264 | ||
5c387428 NTND |
265 | static int has_string(const char *it, const char **array) |
266 | { | |
267 | while (*array) | |
268 | if (!strcmp(it, *(array++))) | |
269 | return 1; | |
270 | return 0; | |
271 | } | |
272 | ||
273 | static int is_alias(struct parse_opt_ctx_t *ctx, | |
274 | const struct option *one_opt, | |
275 | const struct option *another_opt) | |
276 | { | |
277 | const char **group; | |
278 | ||
279 | if (!ctx->alias_groups) | |
280 | return 0; | |
281 | ||
282 | if (!one_opt->long_name || !another_opt->long_name) | |
283 | return 0; | |
284 | ||
285 | for (group = ctx->alias_groups; *group; group += 3) { | |
286 | /* it and other are from the same family? */ | |
287 | if (has_string(one_opt->long_name, group) && | |
288 | has_string(another_opt->long_name, group)) | |
289 | return 1; | |
290 | } | |
291 | return 0; | |
292 | } | |
293 | ||
f41179f1 NTND |
294 | static enum parse_opt_result parse_long_opt( |
295 | struct parse_opt_ctx_t *p, const char *arg, | |
296 | const struct option *options) | |
4a59fd13 | 297 | { |
11588263 | 298 | const struct option *all_opts = options; |
2c5495f7 | 299 | const char *arg_end = strchrnul(arg, '='); |
243e0614 JS |
300 | const struct option *abbrev_option = NULL, *ambiguous_option = NULL; |
301 | int abbrev_flags = 0, ambiguous_flags = 0; | |
7f275b91 | 302 | |
4a59fd13 | 303 | for (; options->type != OPTION_END; options++) { |
0f1930c5 RS |
304 | const char *rest, *long_name = options->long_name; |
305 | int flags = 0, opt_flags = 0; | |
4a59fd13 | 306 | |
0f1930c5 | 307 | if (!long_name) |
4a59fd13 PH |
308 | continue; |
309 | ||
0f1930c5 | 310 | again: |
cf4fff57 JK |
311 | if (!skip_prefix(arg, long_name, &rest)) |
312 | rest = NULL; | |
4a59fd13 | 313 | if (!rest) { |
7f275b91 | 314 | /* abbreviated? */ |
baa4adc6 NTND |
315 | if (!(p->flags & PARSE_OPT_KEEP_UNKNOWN) && |
316 | !strncmp(long_name, arg, arg_end - arg)) { | |
7f275b91 | 317 | is_abbreviated: |
5c387428 NTND |
318 | if (abbrev_option && |
319 | !is_alias(p, abbrev_option, options)) { | |
243e0614 JS |
320 | /* |
321 | * If this is abbreviated, it is | |
322 | * ambiguous. So when there is no | |
323 | * exact match later, we need to | |
324 | * error out. | |
325 | */ | |
326 | ambiguous_option = abbrev_option; | |
327 | ambiguous_flags = abbrev_flags; | |
328 | } | |
7f275b91 JS |
329 | if (!(flags & OPT_UNSET) && *arg_end) |
330 | p->opt = arg_end + 1; | |
331 | abbrev_option = options; | |
0f1930c5 | 332 | abbrev_flags = flags ^ opt_flags; |
7f275b91 JS |
333 | continue; |
334 | } | |
6bbfd1fa AS |
335 | /* negation allowed? */ |
336 | if (options->flags & PARSE_OPT_NONEG) | |
337 | continue; | |
7f275b91 | 338 | /* negated and abbreviated very much? */ |
59556548 | 339 | if (starts_with("no-", arg)) { |
7f275b91 JS |
340 | flags |= OPT_UNSET; |
341 | goto is_abbreviated; | |
342 | } | |
343 | /* negated? */ | |
59556548 | 344 | if (!starts_with(arg, "no-")) { |
145136a9 | 345 | if (skip_prefix(long_name, "no-", &long_name)) { |
0f1930c5 RS |
346 | opt_flags |= OPT_UNSET; |
347 | goto again; | |
348 | } | |
4a59fd13 | 349 | continue; |
0f1930c5 | 350 | } |
4a59fd13 | 351 | flags |= OPT_UNSET; |
cf4fff57 JK |
352 | if (!skip_prefix(arg + 3, long_name, &rest)) { |
353 | /* abbreviated and negated? */ | |
354 | if (starts_with(long_name, arg + 3)) | |
355 | goto is_abbreviated; | |
356 | else | |
357 | continue; | |
358 | } | |
4a59fd13 PH |
359 | } |
360 | if (*rest) { | |
361 | if (*rest != '=') | |
362 | continue; | |
363 | p->opt = rest + 1; | |
364 | } | |
11588263 | 365 | return get_value(p, options, all_opts, flags ^ opt_flags); |
4a59fd13 | 366 | } |
243e0614 | 367 | |
b02e7d5d JS |
368 | if (disallow_abbreviated_options && (ambiguous_option || abbrev_option)) |
369 | die("disallowed abbreviated or ambiguous option '%.*s'", | |
370 | (int)(arg_end - arg), arg); | |
371 | ||
3bb0923f | 372 | if (ambiguous_option) { |
89003426 NTND |
373 | error(_("ambiguous option: %s " |
374 | "(could be --%s%s or --%s%s)"), | |
243e0614 JS |
375 | arg, |
376 | (ambiguous_flags & OPT_UNSET) ? "no-" : "", | |
377 | ambiguous_option->long_name, | |
378 | (abbrev_flags & OPT_UNSET) ? "no-" : "", | |
379 | abbrev_option->long_name); | |
f41179f1 | 380 | return PARSE_OPT_HELP; |
3bb0923f | 381 | } |
7f275b91 | 382 | if (abbrev_option) |
11588263 | 383 | return get_value(p, abbrev_option, all_opts, abbrev_flags); |
f41179f1 | 384 | return PARSE_OPT_UNKNOWN; |
4a59fd13 PH |
385 | } |
386 | ||
51a9949e RS |
387 | static int parse_nodash_opt(struct parse_opt_ctx_t *p, const char *arg, |
388 | const struct option *options) | |
389 | { | |
11588263 JH |
390 | const struct option *all_opts = options; |
391 | ||
51a9949e RS |
392 | for (; options->type != OPTION_END; options++) { |
393 | if (!(options->flags & PARSE_OPT_NODASH)) | |
394 | continue; | |
51a9949e | 395 | if (options->short_name == arg[0] && arg[1] == '\0') |
11588263 | 396 | return get_value(p, options, all_opts, OPT_SHORT); |
51a9949e RS |
397 | } |
398 | return -2; | |
399 | } | |
400 | ||
1121a878 | 401 | static void check_typos(const char *arg, const struct option *options) |
3a9f0f41 PH |
402 | { |
403 | if (strlen(arg) < 3) | |
404 | return; | |
405 | ||
59556548 | 406 | if (starts_with(arg, "no-")) { |
395518cf | 407 | error(_("did you mean `--%s` (with two dashes)?"), arg); |
3a9f0f41 PH |
408 | exit(129); |
409 | } | |
410 | ||
411 | for (; options->type != OPTION_END; options++) { | |
412 | if (!options->long_name) | |
413 | continue; | |
59556548 | 414 | if (starts_with(options->long_name, arg)) { |
395518cf | 415 | error(_("did you mean `--%s` (with two dashes)?"), arg); |
3a9f0f41 PH |
416 | exit(129); |
417 | } | |
418 | } | |
419 | } | |
420 | ||
cb9d398c PH |
421 | static void parse_options_check(const struct option *opts) |
422 | { | |
423 | int err = 0; | |
af465af8 | 424 | char short_opts[128]; |
cb9d398c | 425 | |
af465af8 | 426 | memset(short_opts, '\0', sizeof(short_opts)); |
cb9d398c PH |
427 | for (; opts->type != OPTION_END; opts++) { |
428 | if ((opts->flags & PARSE_OPT_LASTARG_DEFAULT) && | |
1e5ce570 JN |
429 | (opts->flags & PARSE_OPT_OPTARG)) |
430 | err |= optbug(opts, "uses incompatible flags " | |
431 | "LASTARG_DEFAULT and OPTARG"); | |
af465af8 JH |
432 | if (opts->short_name) { |
433 | if (0x7F <= opts->short_name) | |
434 | err |= optbug(opts, "invalid short name"); | |
435 | else if (short_opts[opts->short_name]++) | |
436 | err |= optbug(opts, "short name already used"); | |
437 | } | |
a02dd4ff JN |
438 | if (opts->flags & PARSE_OPT_NODASH && |
439 | ((opts->flags & PARSE_OPT_OPTARG) || | |
440 | !(opts->flags & PARSE_OPT_NOARG) || | |
441 | !(opts->flags & PARSE_OPT_NONEG) || | |
442 | opts->long_name)) | |
443 | err |= optbug(opts, "uses feature " | |
444 | "not supported for dashless options"); | |
5c400ed2 | 445 | switch (opts->type) { |
b04ba2bb | 446 | case OPTION_COUNTUP: |
5c400ed2 JN |
447 | case OPTION_BIT: |
448 | case OPTION_NEGBIT: | |
449 | case OPTION_SET_INT: | |
5c400ed2 JN |
450 | case OPTION_NUMBER: |
451 | if ((opts->flags & PARSE_OPT_OPTARG) || | |
452 | !(opts->flags & PARSE_OPT_NOARG)) | |
453 | err |= optbug(opts, "should not accept an argument"); | |
bf3ff338 NTND |
454 | break; |
455 | case OPTION_CALLBACK: | |
3ebbe289 NTND |
456 | if (!opts->callback && !opts->ll_callback) |
457 | BUG("OPTION_CALLBACK needs one callback"); | |
458 | if (opts->callback && opts->ll_callback) | |
459 | BUG("OPTION_CALLBACK can't have two callbacks"); | |
bf3ff338 NTND |
460 | break; |
461 | case OPTION_LOWLEVEL_CALLBACK: | |
462 | if (!opts->ll_callback) | |
463 | BUG("OPTION_LOWLEVEL_CALLBACK needs a callback"); | |
464 | if (opts->callback) | |
465 | BUG("OPTION_LOWLEVEL_CALLBACK needs no high level callback"); | |
466 | break; | |
5c387428 NTND |
467 | case OPTION_ALIAS: |
468 | BUG("OPT_ALIAS() should not remain at this point. " | |
469 | "Are you using parse_options_step() directly?\n" | |
470 | "That case is not supported yet."); | |
5c400ed2 JN |
471 | default: |
472 | ; /* ok. (usually accepts an argument) */ | |
473 | } | |
b6c2a0d4 JH |
474 | if (opts->argh && |
475 | strcspn(opts->argh, " _") != strlen(opts->argh)) | |
476 | err |= optbug(opts, "multi-word argh should use dash to separate words"); | |
cb9d398c | 477 | } |
cb9d398c | 478 | if (err) |
1e5ce570 | 479 | exit(128); |
cb9d398c PH |
480 | } |
481 | ||
5c387428 NTND |
482 | static void parse_options_start_1(struct parse_opt_ctx_t *ctx, |
483 | int argc, const char **argv, const char *prefix, | |
484 | const struct option *options, int flags) | |
7e7bbcb4 | 485 | { |
202fbb33 NTND |
486 | ctx->argc = argc; |
487 | ctx->argv = argv; | |
488 | if (!(flags & PARSE_OPT_ONE_SHOT)) { | |
489 | ctx->argc--; | |
490 | ctx->argv++; | |
491 | } | |
492 | ctx->total = ctx->argc; | |
493 | ctx->out = argv; | |
37782920 | 494 | ctx->prefix = prefix; |
a32a4eaa | 495 | ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0); |
7e7bbcb4 | 496 | ctx->flags = flags; |
0d260f9a | 497 | if ((flags & PARSE_OPT_KEEP_UNKNOWN) && |
202fbb33 NTND |
498 | (flags & PARSE_OPT_STOP_AT_NON_OPTION) && |
499 | !(flags & PARSE_OPT_ONE_SHOT)) | |
48a5499e | 500 | BUG("STOP_AT_NON_OPTION and KEEP_UNKNOWN don't go together"); |
202fbb33 NTND |
501 | if ((flags & PARSE_OPT_ONE_SHOT) && |
502 | (flags & PARSE_OPT_KEEP_ARGV0)) | |
503 | BUG("Can't keep argv0 if you don't have it"); | |
9ca1169f | 504 | parse_options_check(options); |
7e7bbcb4 PH |
505 | } |
506 | ||
5c387428 NTND |
507 | void parse_options_start(struct parse_opt_ctx_t *ctx, |
508 | int argc, const char **argv, const char *prefix, | |
509 | const struct option *options, int flags) | |
510 | { | |
511 | memset(ctx, 0, sizeof(*ctx)); | |
512 | parse_options_start_1(ctx, argc, argv, prefix, options, flags); | |
513 | } | |
514 | ||
a0abe5e3 RZ |
515 | static void show_negated_gitcomp(const struct option *opts, int show_all, |
516 | int nr_noopts) | |
b221b5ab NTND |
517 | { |
518 | int printed_dashdash = 0; | |
519 | ||
520 | for (; opts->type != OPTION_END; opts++) { | |
521 | int has_unset_form = 0; | |
522 | const char *name; | |
523 | ||
524 | if (!opts->long_name) | |
525 | continue; | |
a0abe5e3 RZ |
526 | if (!show_all && |
527 | (opts->flags & (PARSE_OPT_HIDDEN | PARSE_OPT_NOCOMPLETE))) | |
b221b5ab NTND |
528 | continue; |
529 | if (opts->flags & PARSE_OPT_NONEG) | |
530 | continue; | |
531 | ||
532 | switch (opts->type) { | |
533 | case OPTION_STRING: | |
534 | case OPTION_FILENAME: | |
535 | case OPTION_INTEGER: | |
536 | case OPTION_MAGNITUDE: | |
537 | case OPTION_CALLBACK: | |
538 | case OPTION_BIT: | |
539 | case OPTION_NEGBIT: | |
540 | case OPTION_COUNTUP: | |
541 | case OPTION_SET_INT: | |
542 | has_unset_form = 1; | |
543 | break; | |
544 | default: | |
545 | break; | |
546 | } | |
547 | if (!has_unset_form) | |
548 | continue; | |
549 | ||
550 | if (skip_prefix(opts->long_name, "no-", &name)) { | |
551 | if (nr_noopts < 0) | |
552 | printf(" --%s", name); | |
553 | } else if (nr_noopts >= 0) { | |
554 | if (nr_noopts && !printed_dashdash) { | |
555 | printf(" --"); | |
556 | printed_dashdash = 1; | |
557 | } | |
558 | printf(" --no-%s", opts->long_name); | |
559 | nr_noopts++; | |
560 | } | |
561 | } | |
562 | } | |
563 | ||
a0abe5e3 | 564 | static int show_gitcomp(const struct option *opts, int show_all) |
b9d7f4b4 | 565 | { |
b221b5ab NTND |
566 | const struct option *original_opts = opts; |
567 | int nr_noopts = 0; | |
568 | ||
b9d7f4b4 NTND |
569 | for (; opts->type != OPTION_END; opts++) { |
570 | const char *suffix = ""; | |
571 | ||
572 | if (!opts->long_name) | |
573 | continue; | |
a0abe5e3 | 574 | if (!show_all && |
ca2d62b7 | 575 | (opts->flags & (PARSE_OPT_HIDDEN | PARSE_OPT_NOCOMPLETE | PARSE_OPT_FROM_ALIAS))) |
b9d7f4b4 NTND |
576 | continue; |
577 | ||
578 | switch (opts->type) { | |
579 | case OPTION_GROUP: | |
580 | continue; | |
581 | case OPTION_STRING: | |
582 | case OPTION_FILENAME: | |
583 | case OPTION_INTEGER: | |
584 | case OPTION_MAGNITUDE: | |
585 | case OPTION_CALLBACK: | |
586 | if (opts->flags & PARSE_OPT_NOARG) | |
587 | break; | |
588 | if (opts->flags & PARSE_OPT_OPTARG) | |
589 | break; | |
590 | if (opts->flags & PARSE_OPT_LASTARG_DEFAULT) | |
591 | break; | |
592 | suffix = "="; | |
593 | break; | |
594 | default: | |
595 | break; | |
596 | } | |
ebc4a04e NTND |
597 | if (opts->flags & PARSE_OPT_COMP_ARG) |
598 | suffix = "="; | |
b221b5ab NTND |
599 | if (starts_with(opts->long_name, "no-")) |
600 | nr_noopts++; | |
b9d7f4b4 NTND |
601 | printf(" --%s%s", opts->long_name, suffix); |
602 | } | |
a0abe5e3 RZ |
603 | show_negated_gitcomp(original_opts, show_all, -1); |
604 | show_negated_gitcomp(original_opts, show_all, nr_noopts); | |
b9d7f4b4 | 605 | fputc('\n', stdout); |
a92ec7ef | 606 | return PARSE_OPT_COMPLETE; |
b9d7f4b4 NTND |
607 | } |
608 | ||
5c387428 NTND |
609 | /* |
610 | * Scan and may produce a new option[] array, which should be used | |
611 | * instead of the original 'options'. | |
612 | * | |
15beaaa3 | 613 | * Right now this is only used to preprocess and substitute |
5c387428 | 614 | * OPTION_ALIAS. |
64cc539f AH |
615 | * |
616 | * The returned options should be freed using free_preprocessed_options. | |
5c387428 NTND |
617 | */ |
618 | static struct option *preprocess_options(struct parse_opt_ctx_t *ctx, | |
619 | const struct option *options) | |
620 | { | |
621 | struct option *newopt; | |
622 | int i, nr, alias; | |
623 | int nr_aliases = 0; | |
624 | ||
625 | for (nr = 0; options[nr].type != OPTION_END; nr++) { | |
626 | if (options[nr].type == OPTION_ALIAS) | |
627 | nr_aliases++; | |
628 | } | |
629 | ||
630 | if (!nr_aliases) | |
631 | return NULL; | |
632 | ||
633 | ALLOC_ARRAY(newopt, nr + 1); | |
634 | COPY_ARRAY(newopt, options, nr + 1); | |
635 | ||
636 | /* each alias has two string pointers and NULL */ | |
637 | CALLOC_ARRAY(ctx->alias_groups, 3 * (nr_aliases + 1)); | |
638 | ||
639 | for (alias = 0, i = 0; i < nr; i++) { | |
640 | int short_name; | |
641 | const char *long_name; | |
642 | const char *source; | |
7c280589 | 643 | struct strbuf help = STRBUF_INIT; |
5c387428 NTND |
644 | int j; |
645 | ||
646 | if (newopt[i].type != OPTION_ALIAS) | |
647 | continue; | |
648 | ||
649 | short_name = newopt[i].short_name; | |
650 | long_name = newopt[i].long_name; | |
651 | source = newopt[i].value; | |
652 | ||
653 | if (!long_name) | |
654 | BUG("An alias must have long option name"); | |
7c280589 | 655 | strbuf_addf(&help, _("alias of --%s"), source); |
5c387428 NTND |
656 | |
657 | for (j = 0; j < nr; j++) { | |
658 | const char *name = options[j].long_name; | |
659 | ||
660 | if (!name || strcmp(name, source)) | |
661 | continue; | |
662 | ||
663 | if (options[j].type == OPTION_ALIAS) | |
664 | BUG("No please. Nested aliases are not supported."); | |
665 | ||
5c387428 NTND |
666 | memcpy(newopt + i, options + j, sizeof(*newopt)); |
667 | newopt[i].short_name = short_name; | |
668 | newopt[i].long_name = long_name; | |
7c280589 | 669 | newopt[i].help = strbuf_detach(&help, NULL); |
64cc539f | 670 | newopt[i].flags |= PARSE_OPT_FROM_ALIAS; |
5c387428 NTND |
671 | break; |
672 | } | |
673 | ||
674 | if (j == nr) | |
675 | BUG("could not find source option '%s' of alias '%s'", | |
676 | source, newopt[i].long_name); | |
677 | ctx->alias_groups[alias * 3 + 0] = newopt[i].long_name; | |
678 | ctx->alias_groups[alias * 3 + 1] = options[j].long_name; | |
679 | ctx->alias_groups[alias * 3 + 2] = NULL; | |
680 | alias++; | |
681 | } | |
682 | ||
683 | return newopt; | |
684 | } | |
685 | ||
64cc539f AH |
686 | static void free_preprocessed_options(struct option *options) |
687 | { | |
688 | int i; | |
689 | ||
690 | if (!options) | |
691 | return; | |
692 | ||
693 | for (i = 0; options[i].type != OPTION_END; i++) { | |
694 | if (options[i].flags & PARSE_OPT_FROM_ALIAS) | |
695 | free((void *)options[i].help); | |
696 | } | |
697 | free(options); | |
698 | } | |
699 | ||
47e9cd28 TR |
700 | static int usage_with_options_internal(struct parse_opt_ctx_t *, |
701 | const char * const *, | |
9c7304e3 | 702 | const struct option *, int, int); |
dd3bf0f4 | 703 | |
ff43ec3e PH |
704 | int parse_options_step(struct parse_opt_ctx_t *ctx, |
705 | const struct option *options, | |
706 | const char * const usagestr[]) | |
4a59fd13 | 707 | { |
b92891f9 RS |
708 | int internal_help = !(ctx->flags & PARSE_OPT_NO_INTERNAL_HELP); |
709 | ||
26141b5b PH |
710 | /* we must reset ->opt, unknown short option leave it dangling */ |
711 | ctx->opt = NULL; | |
712 | ||
ff43ec3e PH |
713 | for (; ctx->argc; ctx->argc--, ctx->argv++) { |
714 | const char *arg = ctx->argv[0]; | |
4a59fd13 | 715 | |
202fbb33 NTND |
716 | if (ctx->flags & PARSE_OPT_ONE_SHOT && |
717 | ctx->argc != ctx->total) | |
718 | break; | |
719 | ||
4a59fd13 | 720 | if (*arg != '-' || !arg[1]) { |
51a9949e RS |
721 | if (parse_nodash_opt(ctx, arg, options) == 0) |
722 | continue; | |
ff43ec3e | 723 | if (ctx->flags & PARSE_OPT_STOP_AT_NON_OPTION) |
979240fe | 724 | return PARSE_OPT_NON_OPTION; |
ff43ec3e | 725 | ctx->out[ctx->cpidx++] = ctx->argv[0]; |
4a59fd13 PH |
726 | continue; |
727 | } | |
728 | ||
5ad0d3d5 RS |
729 | /* lone -h asks for help */ |
730 | if (internal_help && ctx->total == 1 && !strcmp(arg + 1, "h")) | |
731 | goto show_usage; | |
732 | ||
a0abe5e3 RZ |
733 | /* |
734 | * lone --git-completion-helper and --git-completion-helper-all | |
735 | * are asked by git-completion.bash | |
736 | */ | |
737 | if (ctx->total == 1 && !strcmp(arg, "--git-completion-helper")) | |
738 | return show_gitcomp(options, 0); | |
739 | if (ctx->total == 1 && !strcmp(arg, "--git-completion-helper-all")) | |
740 | return show_gitcomp(options, 1); | |
b9d7f4b4 | 741 | |
4a59fd13 | 742 | if (arg[1] != '-') { |
ff43ec3e | 743 | ctx->opt = arg + 1; |
07fe54db | 744 | switch (parse_short_opt(ctx, options)) { |
f41179f1 | 745 | case PARSE_OPT_ERROR: |
3bb0923f | 746 | return PARSE_OPT_ERROR; |
f41179f1 | 747 | case PARSE_OPT_UNKNOWN: |
38916c5b RS |
748 | if (ctx->opt) |
749 | check_typos(arg + 1, options); | |
5ad0d3d5 RS |
750 | if (internal_help && *ctx->opt == 'h') |
751 | goto show_usage; | |
b5ce3a54 | 752 | goto unknown; |
f41179f1 NTND |
753 | case PARSE_OPT_NON_OPTION: |
754 | case PARSE_OPT_HELP: | |
755 | case PARSE_OPT_COMPLETE: | |
756 | BUG("parse_short_opt() cannot return these"); | |
757 | case PARSE_OPT_DONE: | |
758 | break; | |
07fe54db | 759 | } |
ff43ec3e | 760 | if (ctx->opt) |
3a9f0f41 | 761 | check_typos(arg + 1, options); |
ff43ec3e | 762 | while (ctx->opt) { |
07fe54db | 763 | switch (parse_short_opt(ctx, options)) { |
f41179f1 | 764 | case PARSE_OPT_ERROR: |
3bb0923f | 765 | return PARSE_OPT_ERROR; |
f41179f1 | 766 | case PARSE_OPT_UNKNOWN: |
5ad0d3d5 RS |
767 | if (internal_help && *ctx->opt == 'h') |
768 | goto show_usage; | |
769 | ||
26141b5b PH |
770 | /* fake a short option thing to hide the fact that we may have |
771 | * started to parse aggregated stuff | |
772 | * | |
773 | * This is leaky, too bad. | |
774 | */ | |
775 | ctx->argv[0] = xstrdup(ctx->opt - 1); | |
776 | *(char *)ctx->argv[0] = '-'; | |
b5ce3a54 | 777 | goto unknown; |
f41179f1 NTND |
778 | case PARSE_OPT_NON_OPTION: |
779 | case PARSE_OPT_COMPLETE: | |
780 | case PARSE_OPT_HELP: | |
781 | BUG("parse_short_opt() cannot return these"); | |
782 | case PARSE_OPT_DONE: | |
783 | break; | |
07fe54db | 784 | } |
3a9f0f41 | 785 | } |
4a59fd13 PH |
786 | continue; |
787 | } | |
788 | ||
51b4594b JK |
789 | if (!arg[2] /* "--" */ || |
790 | !strcmp(arg + 2, "end-of-options")) { | |
ff43ec3e PH |
791 | if (!(ctx->flags & PARSE_OPT_KEEP_DASHDASH)) { |
792 | ctx->argc--; | |
793 | ctx->argv++; | |
4a59fd13 PH |
794 | } |
795 | break; | |
796 | } | |
797 | ||
b92891f9 | 798 | if (internal_help && !strcmp(arg + 2, "help-all")) |
47e9cd28 | 799 | return usage_with_options_internal(ctx, usagestr, options, 1, 0); |
b92891f9 | 800 | if (internal_help && !strcmp(arg + 2, "help")) |
ac20ff6d | 801 | goto show_usage; |
07fe54db | 802 | switch (parse_long_opt(ctx, arg + 2, options)) { |
f41179f1 | 803 | case PARSE_OPT_ERROR: |
3bb0923f | 804 | return PARSE_OPT_ERROR; |
f41179f1 | 805 | case PARSE_OPT_UNKNOWN: |
b5ce3a54 | 806 | goto unknown; |
f41179f1 | 807 | case PARSE_OPT_HELP: |
3bb0923f | 808 | goto show_usage; |
f41179f1 NTND |
809 | case PARSE_OPT_NON_OPTION: |
810 | case PARSE_OPT_COMPLETE: | |
811 | BUG("parse_long_opt() cannot return these"); | |
812 | case PARSE_OPT_DONE: | |
813 | break; | |
07fe54db | 814 | } |
b5ce3a54 RS |
815 | continue; |
816 | unknown: | |
202fbb33 NTND |
817 | if (ctx->flags & PARSE_OPT_ONE_SHOT) |
818 | break; | |
b5ce3a54 RS |
819 | if (!(ctx->flags & PARSE_OPT_KEEP_UNKNOWN)) |
820 | return PARSE_OPT_UNKNOWN; | |
821 | ctx->out[ctx->cpidx++] = ctx->argv[0]; | |
822 | ctx->opt = NULL; | |
ff43ec3e PH |
823 | } |
824 | return PARSE_OPT_DONE; | |
ac20ff6d | 825 | |
ac20ff6d | 826 | show_usage: |
3bb0923f | 827 | return usage_with_options_internal(ctx, usagestr, options, 0, 0); |
ff43ec3e PH |
828 | } |
829 | ||
830 | int parse_options_end(struct parse_opt_ctx_t *ctx) | |
831 | { | |
202fbb33 NTND |
832 | if (ctx->flags & PARSE_OPT_ONE_SHOT) |
833 | return ctx->total - ctx->argc; | |
834 | ||
f919ffeb | 835 | MOVE_ARRAY(ctx->out + ctx->cpidx, ctx->argv, ctx->argc); |
ff43ec3e PH |
836 | ctx->out[ctx->cpidx + ctx->argc] = NULL; |
837 | return ctx->cpidx + ctx->argc; | |
838 | } | |
839 | ||
37782920 SB |
840 | int parse_options(int argc, const char **argv, const char *prefix, |
841 | const struct option *options, const char * const usagestr[], | |
842 | int flags) | |
ff43ec3e PH |
843 | { |
844 | struct parse_opt_ctx_t ctx; | |
5c387428 | 845 | struct option *real_options; |
ff43ec3e | 846 | |
b02e7d5d JS |
847 | disallow_abbreviated_options = |
848 | git_env_bool("GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS", 0); | |
849 | ||
5c387428 NTND |
850 | memset(&ctx, 0, sizeof(ctx)); |
851 | real_options = preprocess_options(&ctx, options); | |
852 | if (real_options) | |
853 | options = real_options; | |
854 | parse_options_start_1(&ctx, argc, argv, prefix, options, flags); | |
ff43ec3e PH |
855 | switch (parse_options_step(&ctx, options, usagestr)) { |
856 | case PARSE_OPT_HELP: | |
3bb0923f | 857 | case PARSE_OPT_ERROR: |
ff43ec3e | 858 | exit(129); |
a92ec7ef NTND |
859 | case PARSE_OPT_COMPLETE: |
860 | exit(0); | |
979240fe | 861 | case PARSE_OPT_NON_OPTION: |
ff43ec3e PH |
862 | case PARSE_OPT_DONE: |
863 | break; | |
864 | default: /* PARSE_OPT_UNKNOWN */ | |
07fe54db | 865 | if (ctx.argv[0][1] == '-') { |
89003426 | 866 | error(_("unknown option `%s'"), ctx.argv[0] + 2); |
b141a478 | 867 | } else if (isascii(*ctx.opt)) { |
89003426 | 868 | error(_("unknown switch `%c'"), *ctx.opt); |
b141a478 | 869 | } else { |
89003426 | 870 | error(_("unknown non-ascii option in string: `%s'"), |
b141a478 | 871 | ctx.argv[0]); |
07fe54db PH |
872 | } |
873 | usage_with_options(usagestr, options); | |
4a59fd13 PH |
874 | } |
875 | ||
5c327502 | 876 | precompose_argv_prefix(argc, argv, NULL); |
64cc539f | 877 | free_preprocessed_options(real_options); |
5c387428 | 878 | free(ctx.alias_groups); |
7e7bbcb4 | 879 | return parse_options_end(&ctx); |
4a59fd13 | 880 | } |
d7a38c54 | 881 | |
9c7304e3 | 882 | static int usage_argh(const struct option *opts, FILE *outfile) |
29f25d49 SB |
883 | { |
884 | const char *s; | |
5f0df44c RS |
885 | int literal = (opts->flags & PARSE_OPT_LITERAL_ARGHELP) || |
886 | !opts->argh || !!strpbrk(opts->argh, "()<>[]|"); | |
29f25d49 SB |
887 | if (opts->flags & PARSE_OPT_OPTARG) |
888 | if (opts->long_name) | |
889 | s = literal ? "[=%s]" : "[=<%s>]"; | |
890 | else | |
891 | s = literal ? "[%s]" : "[<%s>]"; | |
892 | else | |
893 | s = literal ? " %s" : " <%s>"; | |
c0821965 | 894 | return utf8_fprintf(outfile, s, opts->argh ? _(opts->argh) : _("...")); |
29f25d49 SB |
895 | } |
896 | ||
d7a38c54 PH |
897 | #define USAGE_OPTS_WIDTH 24 |
898 | #define USAGE_GAP 2 | |
899 | ||
47e9cd28 TR |
900 | static int usage_with_options_internal(struct parse_opt_ctx_t *ctx, |
901 | const char * const *usagestr, | |
902 | const struct option *opts, int full, int err) | |
d7a38c54 | 903 | { |
9c7304e3 | 904 | FILE *outfile = err ? stderr : stdout; |
a6304fa4 | 905 | int need_newline; |
9c7304e3 | 906 | |
4631cfc2 ÆAB |
907 | const char *usage_prefix = _("usage: %s"); |
908 | /* | |
909 | * The translation could be anything, but we can count on | |
910 | * msgfmt(1)'s --check option to have asserted that "%s" is in | |
911 | * the translation. So compute the length of the "usage: " | |
912 | * part. We are assuming that the translator wasn't overly | |
913 | * clever and used e.g. "%1$s" instead of "%s", there's only | |
914 | * one "%s" in "usage_prefix" above, so there's no reason to | |
915 | * do so even with a RTL language. | |
916 | */ | |
917 | size_t usage_len = strlen(usage_prefix) - strlen("%s"); | |
918 | /* | |
919 | * TRANSLATORS: the colon here should align with the | |
920 | * one in "usage: %s" translation. | |
921 | */ | |
922 | const char *or_prefix = _(" or: %s"); | |
923 | /* | |
924 | * TRANSLATORS: You should only need to translate this format | |
925 | * string if your language is a RTL language (e.g. Arabic, | |
926 | * Hebrew etc.), not if it's a LTR language (e.g. German, | |
927 | * Russian, Chinese etc.). | |
928 | * | |
929 | * When a translated usage string has an embedded "\n" it's | |
930 | * because options have wrapped to the next line. The line | |
931 | * after the "\n" will then be padded to align with the | |
932 | * command name, such as N_("git cmd [opt]\n<8 | |
933 | * spaces>[opt2]"), where the 8 spaces are the same length as | |
934 | * "git cmd ". | |
935 | * | |
936 | * This format string prints out that already-translated | |
937 | * line. The "%*s" is whitespace padding to account for the | |
938 | * padding at the start of the line that we add in this | |
939 | * function. The "%s" is a line in the (hopefully already | |
940 | * translated) N_() usage string, which contained embedded | |
941 | * newlines before we split it up. | |
942 | */ | |
943 | const char *usage_continued = _("%*s%s"); | |
944 | const char *prefix = usage_prefix; | |
945 | int saw_empty_line = 0; | |
946 | ||
49b61802 RS |
947 | if (!usagestr) |
948 | return PARSE_OPT_HELP; | |
949 | ||
47e9cd28 TR |
950 | if (!err && ctx && ctx->flags & PARSE_OPT_SHELL_EVAL) |
951 | fprintf(outfile, "cat <<\\EOF\n"); | |
952 | ||
44d86e91 | 953 | while (*usagestr) { |
4631cfc2 ÆAB |
954 | const char *str = _(*usagestr++); |
955 | struct string_list list = STRING_LIST_INIT_DUP; | |
956 | unsigned int j; | |
957 | ||
958 | if (!saw_empty_line && !*str) | |
959 | saw_empty_line = 1; | |
960 | ||
961 | string_list_split(&list, str, '\n', -1); | |
962 | for (j = 0; j < list.nr; j++) { | |
963 | const char *line = list.items[j].string; | |
964 | ||
965 | if (saw_empty_line && *line) | |
966 | fprintf_ln(outfile, _(" %s"), line); | |
967 | else if (saw_empty_line) | |
968 | fputc('\n', outfile); | |
969 | else if (!j) | |
970 | fprintf_ln(outfile, prefix, line); | |
971 | else | |
972 | fprintf_ln(outfile, usage_continued, | |
973 | (int)usage_len, "", line); | |
974 | } | |
975 | string_list_clear(&list, 0); | |
976 | ||
977 | prefix = or_prefix; | |
44d86e91 | 978 | } |
d7a38c54 | 979 | |
a6304fa4 | 980 | need_newline = 1; |
d7a38c54 PH |
981 | |
982 | for (; opts->type != OPTION_END; opts++) { | |
983 | size_t pos; | |
984 | int pad; | |
985 | ||
986 | if (opts->type == OPTION_GROUP) { | |
9c7304e3 | 987 | fputc('\n', outfile); |
a6304fa4 | 988 | need_newline = 0; |
d7a38c54 | 989 | if (*opts->help) |
54e6dc7d | 990 | fprintf(outfile, "%s\n", _(opts->help)); |
d7a38c54 PH |
991 | continue; |
992 | } | |
dd3bf0f4 PH |
993 | if (!full && (opts->flags & PARSE_OPT_HIDDEN)) |
994 | continue; | |
d7a38c54 | 995 | |
a6304fa4 BC |
996 | if (need_newline) { |
997 | fputc('\n', outfile); | |
998 | need_newline = 0; | |
999 | } | |
1000 | ||
9c7304e3 | 1001 | pos = fprintf(outfile, " "); |
cbb08c2e | 1002 | if (opts->short_name) { |
51a9949e | 1003 | if (opts->flags & PARSE_OPT_NODASH) |
9c7304e3 | 1004 | pos += fprintf(outfile, "%c", opts->short_name); |
51a9949e | 1005 | else |
9c7304e3 | 1006 | pos += fprintf(outfile, "-%c", opts->short_name); |
51a9949e | 1007 | } |
d7a38c54 | 1008 | if (opts->long_name && opts->short_name) |
9c7304e3 | 1009 | pos += fprintf(outfile, ", "); |
d7a38c54 | 1010 | if (opts->long_name) |
cbb08c2e | 1011 | pos += fprintf(outfile, "--%s", opts->long_name); |
e0319ff5 | 1012 | if (opts->type == OPTION_NUMBER) |
c0821965 | 1013 | pos += utf8_fprintf(outfile, _("-NUM")); |
d7a38c54 | 1014 | |
b57c68a6 JN |
1015 | if ((opts->flags & PARSE_OPT_LITERAL_ARGHELP) || |
1016 | !(opts->flags & PARSE_OPT_NOARG)) | |
9c7304e3 | 1017 | pos += usage_argh(opts, outfile); |
d7a38c54 | 1018 | |
f389c808 AR |
1019 | if (pos <= USAGE_OPTS_WIDTH) |
1020 | pad = USAGE_OPTS_WIDTH - pos; | |
d7a38c54 | 1021 | else { |
9c7304e3 | 1022 | fputc('\n', outfile); |
d7a38c54 PH |
1023 | pad = USAGE_OPTS_WIDTH; |
1024 | } | |
5c387428 NTND |
1025 | if (opts->type == OPTION_ALIAS) { |
1026 | fprintf(outfile, "%*s", pad + USAGE_GAP, ""); | |
1027 | fprintf_ln(outfile, _("alias of --%s"), | |
1028 | (const char *)opts->value); | |
1029 | continue; | |
1030 | } | |
54e6dc7d | 1031 | fprintf(outfile, "%*s%s\n", pad + USAGE_GAP, "", _(opts->help)); |
d7a38c54 | 1032 | } |
9c7304e3 | 1033 | fputc('\n', outfile); |
f389c808 | 1034 | |
47e9cd28 TR |
1035 | if (!err && ctx && ctx->flags & PARSE_OPT_SHELL_EVAL) |
1036 | fputs("EOF\n", outfile); | |
1037 | ||
ee68b87a | 1038 | return PARSE_OPT_HELP; |
d7a38c54 | 1039 | } |
0ce865b1 | 1040 | |
c2e86add | 1041 | void NORETURN usage_with_options(const char * const *usagestr, |
ff43ec3e | 1042 | const struct option *opts) |
dd3bf0f4 | 1043 | { |
47e9cd28 | 1044 | usage_with_options_internal(NULL, usagestr, opts, 0, 1); |
ff43ec3e | 1045 | exit(129); |
dd3bf0f4 PH |
1046 | } |
1047 | ||
c2e86add | 1048 | void NORETURN usage_msg_opt(const char *msg, |
451bb210 CC |
1049 | const char * const *usagestr, |
1050 | const struct option *options) | |
1051 | { | |
87433261 | 1052 | fprintf(stderr, "fatal: %s\n\n", msg); |
451bb210 CC |
1053 | usage_with_options(usagestr, options); |
1054 | } | |
1055 | ||
9440b831 | 1056 | const char *optname(const struct option *opt, int flags) |
a469a101 | 1057 | { |
9440b831 NTND |
1058 | static struct strbuf sb = STRBUF_INIT; |
1059 | ||
1060 | strbuf_reset(&sb); | |
a469a101 | 1061 | if (flags & OPT_SHORT) |
9440b831 NTND |
1062 | strbuf_addf(&sb, "switch `%c'", opt->short_name); |
1063 | else if (flags & OPT_UNSET) | |
1064 | strbuf_addf(&sb, "option `no-%s'", opt->long_name); | |
1065 | else | |
1066 | strbuf_addf(&sb, "option `%s'", opt->long_name); | |
1067 | ||
1068 | return sb.buf; | |
a469a101 | 1069 | } |