1 #include "git-compat-util.h"
2 #include "parse-options.h"
6 #include "string-list.h"
7 #include "argv-array.h"
8 #include "sha1-array.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;
19 v = strtol(arg, (char **)&arg, 10);
21 return opterror(opt, "expects a numerical value", 0);
22 if (v && v < MINIMUM_ABBREV)
27 *(int *)(opt->value) = v;
31 int parse_opt_approxidate_cb(const struct option *opt, const char *arg,
34 *(timestamp_t *)(opt->value) = approxidate(arg);
38 int parse_opt_expiry_date_cb(const struct option *opt, const char *arg,
43 if (parse_expiry_date(arg, (timestamp_t *)opt->value))
44 die(_("malformed expiration date '%s'"), arg);
48 int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
54 arg = unset ? "never" : (const char *)opt->defval;
55 value = git_config_colorbool(NULL, arg);
58 "expects \"always\", \"auto\", or \"never\"", 0);
59 *(int *)opt->value = value;
63 int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
66 int *target = opt->value;
69 /* --no-quiet, --no-verbose */
71 else if (opt->short_name == 'v') {
85 int parse_opt_commits(const struct option *opt, const char *arg, int unset)
88 struct commit *commit;
92 if (get_oid(arg, &oid))
93 return error("malformed object name %s", arg);
94 commit = lookup_commit_reference(the_repository, &oid);
96 return error("no such commit %s", arg);
97 commit_list_insert(commit, opt->value);
101 int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
103 struct object_id oid;
106 oid_array_clear(opt->value);
111 if (get_oid(arg, &oid))
112 return error(_("malformed object name '%s'"), arg);
113 oid_array_append(opt->value, &oid);
117 int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
119 int *target = opt->value;
120 *target = unset ? 2 : 1;
124 struct option *parse_options_concat(struct option *a, struct option *b)
127 size_t i, a_len = 0, b_len = 0;
129 for (i = 0; a[i].type != OPTION_END; i++)
131 for (i = 0; b[i].type != OPTION_END; i++)
134 ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1));
135 for (i = 0; i < a_len; i++)
137 for (i = 0; i < b_len; i++)
138 ret[a_len + i] = b[i];
139 ret[a_len + b_len] = b[b_len]; /* final OPTION_END */
144 int parse_opt_string_list(const struct option *opt, const char *arg, int unset)
146 struct string_list *v = opt->value;
149 string_list_clear(v, 0);
156 string_list_append(v, arg);
160 int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset)
166 * Report that the option is unknown, so that other code can handle
167 * it. This can be used as a callback together with
168 * OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the
169 * "-h" output even if it's not being handled directly by
172 int parse_opt_unknown_cb(const struct option *opt, const char *arg, int unset)
178 * Recreates the command-line option in the strbuf.
180 static int recreate_opt(struct strbuf *sb, const struct option *opt,
181 const char *arg, int unset)
185 if (opt->long_name) {
186 strbuf_addstr(sb, unset ? "--no-" : "--");
187 strbuf_addstr(sb, opt->long_name);
189 strbuf_addch(sb, '=');
190 strbuf_addstr(sb, arg);
192 } else if (opt->short_name && !unset) {
193 strbuf_addch(sb, '-');
194 strbuf_addch(sb, opt->short_name);
196 strbuf_addstr(sb, arg);
204 * For an option opt, recreates the command-line option in opt->value which
205 * must be an char* initialized to NULL. This is useful when we need to pass
206 * the command-line option to another command. Since any previous value will be
207 * overwritten, this callback should only be used for options where the last
210 int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
212 static struct strbuf sb = STRBUF_INIT;
213 char **opt_value = opt->value;
215 if (recreate_opt(&sb, opt, arg, unset) < 0)
220 *opt_value = strbuf_detach(&sb, NULL);
226 * For an option opt, recreate the command-line option, appending it to
227 * opt->value which must be a argv_array. This is useful when we need to pass
228 * the command-line option, which can be specified multiple times, to another
231 int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
233 static struct strbuf sb = STRBUF_INIT;
234 struct argv_array *opt_value = opt->value;
236 if (recreate_opt(&sb, opt, arg, unset) < 0)
239 argv_array_push(opt_value, sb.buf);