1 #include "git-compat-util.h"
2 #include "parse-options.h"
6 #include "string-list.h"
10 /*----- some often used options -----*/
12 int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset)
17 v = unset ? 0 : DEFAULT_ABBREV;
20 return error(_("option `%s' expects a numerical value"),
22 v = strtol(arg, (char **)&arg, 10);
24 return error(_("option `%s' expects a numerical value"),
26 if (v && v < MINIMUM_ABBREV)
28 else if (v > the_hash_algo->hexsz)
29 v = the_hash_algo->hexsz;
31 *(int *)(opt->value) = v;
35 int parse_opt_expiry_date_cb(const struct option *opt, const char *arg,
40 if (parse_expiry_date(arg, (timestamp_t *)opt->value))
41 die(_("malformed expiration date '%s'"), arg);
45 int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
51 arg = unset ? "never" : (const char *)opt->defval;
52 value = git_config_colorbool(NULL, arg);
54 return error(_("option `%s' expects \"always\", \"auto\", or \"never\""),
56 *(int *)opt->value = value;
60 int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
63 int *target = opt->value;
68 /* --no-quiet, --no-verbose */
70 else if (opt->short_name == 'v') {
84 int parse_opt_commits(const struct option *opt, const char *arg, int unset)
87 struct commit *commit;
89 BUG_ON_OPT_NEG(unset);
93 if (get_oid(arg, &oid))
94 return error("malformed object name %s", arg);
95 commit = lookup_commit_reference(the_repository, &oid);
97 return error("no such commit %s", arg);
98 commit_list_insert(commit, opt->value);
102 int parse_opt_commit(const struct option *opt, const char *arg, int unset)
104 struct object_id oid;
105 struct commit *commit;
106 struct commit **target = opt->value;
108 BUG_ON_OPT_NEG(unset);
112 if (get_oid(arg, &oid))
113 return error("malformed object name %s", arg);
114 commit = lookup_commit_reference(the_repository, &oid);
116 return error("no such commit %s", arg);
121 int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
123 struct object_id oid;
126 oid_array_clear(opt->value);
131 if (get_oid(arg, &oid))
132 return error(_("malformed object name '%s'"), arg);
133 oid_array_append(opt->value, &oid);
137 int parse_opt_object_id(const struct option *opt, const char *arg, int unset)
139 struct object_id oid;
140 struct object_id *target = opt->value;
148 if (get_oid(arg, &oid))
149 return error(_("malformed object name '%s'"), arg);
154 int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
156 int *target = opt->value;
160 *target = unset ? 2 : 1;
164 static size_t parse_options_count(const struct option *opt)
168 for (; opt && opt->type != OPTION_END; opt++)
173 struct option *parse_options_dup(const struct option *o)
175 struct option no_options[] = { OPT_END() };
177 return parse_options_concat(o, no_options);
180 struct option *parse_options_concat(const struct option *a,
181 const struct option *b)
184 size_t a_len = parse_options_count(a);
185 size_t b_len = parse_options_count(b);
187 ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1));
188 COPY_ARRAY(ret, a, a_len);
189 COPY_ARRAY(ret + a_len, b, b_len + 1); /* + 1 for final OPTION_END */
194 int parse_opt_string_list(const struct option *opt, const char *arg, int unset)
196 struct string_list *v = opt->value;
199 string_list_clear(v, 0);
206 string_list_append(v, arg);
210 int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset)
216 * Report that the option is unknown, so that other code can handle
217 * it. This can be used as a callback together with
218 * OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the
219 * "-h" output even if it's not being handled directly by
222 enum parse_opt_result parse_opt_unknown_cb(struct parse_opt_ctx_t *ctx,
223 const struct option *opt,
224 const char *arg, int unset)
227 return PARSE_OPT_UNKNOWN;
231 * Recreates the command-line option in the strbuf.
233 static int recreate_opt(struct strbuf *sb, const struct option *opt,
234 const char *arg, int unset)
238 if (opt->long_name) {
239 strbuf_addstr(sb, unset ? "--no-" : "--");
240 strbuf_addstr(sb, opt->long_name);
242 strbuf_addch(sb, '=');
243 strbuf_addstr(sb, arg);
245 } else if (opt->short_name && !unset) {
246 strbuf_addch(sb, '-');
247 strbuf_addch(sb, opt->short_name);
249 strbuf_addstr(sb, arg);
257 * For an option opt, recreates the command-line option in opt->value which
258 * must be an char* initialized to NULL. This is useful when we need to pass
259 * the command-line option to another command. Since any previous value will be
260 * overwritten, this callback should only be used for options where the last
263 int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
265 static struct strbuf sb = STRBUF_INIT;
266 char **opt_value = opt->value;
268 if (recreate_opt(&sb, opt, arg, unset) < 0)
273 *opt_value = strbuf_detach(&sb, NULL);
279 * For an option opt, recreate the command-line option, appending it to
280 * opt->value which must be a strvec. This is useful when we need to pass
281 * the command-line option, which can be specified multiple times, to another
284 int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
286 static struct strbuf sb = STRBUF_INIT;
287 struct strvec *opt_value = opt->value;
289 if (recreate_opt(&sb, opt, arg, unset) < 0)
292 strvec_push(opt_value, sb.buf);