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 *(unsigned long *)(opt->value) = approxidate(arg);
38 int parse_opt_expiry_date_cb(const struct option *opt, const char *arg,
41 return parse_expiry_date(arg, (unsigned long *)opt->value);
44 int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
50 arg = unset ? "never" : (const char *)opt->defval;
51 value = git_config_colorbool(NULL, arg);
54 "expects \"always\", \"auto\", or \"never\"", 0);
55 *(int *)opt->value = value;
59 int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
62 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)
83 unsigned char sha1[20];
84 struct commit *commit;
88 if (get_sha1(arg, sha1))
89 return error("malformed object name %s", arg);
90 commit = lookup_commit_reference(sha1);
92 return error("no such commit %s", arg);
93 commit_list_insert(commit, opt->value);
97 int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
99 unsigned char sha1[20];
102 sha1_array_clear(opt->value);
107 if (get_sha1(arg, sha1))
108 return error(_("malformed object name '%s'"), arg);
109 sha1_array_append(opt->value, sha1);
113 int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
115 int *target = opt->value;
116 *target = unset ? 2 : 1;
120 struct option *parse_options_concat(struct option *a, struct option *b)
123 size_t i, a_len = 0, b_len = 0;
125 for (i = 0; a[i].type != OPTION_END; i++)
127 for (i = 0; b[i].type != OPTION_END; i++)
130 ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1));
131 for (i = 0; i < a_len; i++)
133 for (i = 0; i < b_len; i++)
134 ret[a_len + i] = b[i];
135 ret[a_len + b_len] = b[b_len]; /* final OPTION_END */
140 int parse_opt_string_list(const struct option *opt, const char *arg, int unset)
142 struct string_list *v = opt->value;
145 string_list_clear(v, 0);
152 string_list_append(v, xstrdup(arg));
156 int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset)
162 * Recreates the command-line option in the strbuf.
164 static int recreate_opt(struct strbuf *sb, const struct option *opt,
165 const char *arg, int unset)
169 if (opt->long_name) {
170 strbuf_addstr(sb, unset ? "--no-" : "--");
171 strbuf_addstr(sb, opt->long_name);
173 strbuf_addch(sb, '=');
174 strbuf_addstr(sb, arg);
176 } else if (opt->short_name && !unset) {
177 strbuf_addch(sb, '-');
178 strbuf_addch(sb, opt->short_name);
180 strbuf_addstr(sb, arg);
188 * For an option opt, recreates the command-line option in opt->value which
189 * must be an char* initialized to NULL. This is useful when we need to pass
190 * the command-line option to another command. Since any previous value will be
191 * overwritten, this callback should only be used for options where the last
194 int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
196 static struct strbuf sb = STRBUF_INIT;
197 char **opt_value = opt->value;
199 if (recreate_opt(&sb, opt, arg, unset) < 0)
205 *opt_value = strbuf_detach(&sb, NULL);
211 * For an option opt, recreate the command-line option, appending it to
212 * opt->value which must be a argv_array. This is useful when we need to pass
213 * the command-line option, which can be specified multiple times, to another
216 int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
218 static struct strbuf sb = STRBUF_INIT;
219 struct argv_array *opt_value = opt->value;
221 if (recreate_opt(&sb, opt, arg, unset) < 0)
224 argv_array_push(opt_value, sb.buf);