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 error(_("option `%s' expects a numerical value"),
23 if (v && v < MINIMUM_ABBREV)
28 *(int *)(opt->value) = v;
32 int parse_opt_expiry_date_cb(const struct option *opt, const char *arg,
37 if (parse_expiry_date(arg, (timestamp_t *)opt->value))
38 die(_("malformed expiration date '%s'"), arg);
42 int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
48 arg = unset ? "never" : (const char *)opt->defval;
49 value = git_config_colorbool(NULL, arg);
51 return error(_("option `%s' expects \"always\", \"auto\", or \"never\""),
53 *(int *)opt->value = value;
57 int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
60 int *target = opt->value;
65 /* --no-quiet, --no-verbose */
67 else if (opt->short_name == 'v') {
81 int parse_opt_commits(const struct option *opt, const char *arg, int unset)
84 struct commit *commit;
86 BUG_ON_OPT_NEG(unset);
90 if (get_oid(arg, &oid))
91 return error("malformed object name %s", arg);
92 commit = lookup_commit_reference(the_repository, &oid);
94 return error("no such commit %s", arg);
95 commit_list_insert(commit, opt->value);
99 int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
101 struct object_id oid;
104 oid_array_clear(opt->value);
109 if (get_oid(arg, &oid))
110 return error(_("malformed object name '%s'"), arg);
111 oid_array_append(opt->value, &oid);
115 int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
117 int *target = opt->value;
121 *target = unset ? 2 : 1;
125 struct option *parse_options_concat(struct option *a, struct option *b)
128 size_t i, a_len = 0, b_len = 0;
130 for (i = 0; a[i].type != OPTION_END; i++)
132 for (i = 0; b[i].type != OPTION_END; i++)
135 ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1));
136 for (i = 0; i < a_len; i++)
138 for (i = 0; i < b_len; i++)
139 ret[a_len + i] = b[i];
140 ret[a_len + b_len] = b[b_len]; /* final OPTION_END */
145 int parse_opt_string_list(const struct option *opt, const char *arg, int unset)
147 struct string_list *v = opt->value;
150 string_list_clear(v, 0);
157 string_list_append(v, arg);
161 int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset)
167 * Report that the option is unknown, so that other code can handle
168 * it. This can be used as a callback together with
169 * OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the
170 * "-h" output even if it's not being handled directly by
173 enum parse_opt_result parse_opt_unknown_cb(struct parse_opt_ctx_t *ctx,
174 const struct option *opt,
175 const char *arg, int unset)
178 return PARSE_OPT_UNKNOWN;
182 * Recreates the command-line option in the strbuf.
184 static int recreate_opt(struct strbuf *sb, const struct option *opt,
185 const char *arg, int unset)
189 if (opt->long_name) {
190 strbuf_addstr(sb, unset ? "--no-" : "--");
191 strbuf_addstr(sb, opt->long_name);
193 strbuf_addch(sb, '=');
194 strbuf_addstr(sb, arg);
196 } else if (opt->short_name && !unset) {
197 strbuf_addch(sb, '-');
198 strbuf_addch(sb, opt->short_name);
200 strbuf_addstr(sb, arg);
208 * For an option opt, recreates the command-line option in opt->value which
209 * must be an char* initialized to NULL. This is useful when we need to pass
210 * the command-line option to another command. Since any previous value will be
211 * overwritten, this callback should only be used for options where the last
214 int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
216 static struct strbuf sb = STRBUF_INIT;
217 char **opt_value = opt->value;
219 if (recreate_opt(&sb, opt, arg, unset) < 0)
224 *opt_value = strbuf_detach(&sb, NULL);
230 * For an option opt, recreate the command-line option, appending it to
231 * opt->value which must be a argv_array. This is useful when we need to pass
232 * the command-line option, which can be specified multiple times, to another
235 int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
237 static struct strbuf sb = STRBUF_INIT;
238 struct argv_array *opt_value = opt->value;
240 if (recreate_opt(&sb, opt, arg, unset) < 0)
243 argv_array_push(opt_value, sb.buf);