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 int parse_options_concat(struct option
*dst
, size_t dst_size
, struct option
*src
)
124 for (i
= 0; i
< dst_size
; i
++)
125 if (dst
[i
].type
== OPTION_END
)
127 for (j
= 0; i
< dst_size
; i
++, j
++) {
129 if (src
[j
].type
== OPTION_END
)
135 int parse_opt_string_list(const struct option
*opt
, const char *arg
, int unset
)
137 struct string_list
*v
= opt
->value
;
140 string_list_clear(v
, 0);
147 string_list_append(v
, arg
);
151 int parse_opt_noop_cb(const struct option
*opt
, const char *arg
, int unset
)
157 * Report that the option is unknown, so that other code can handle
158 * it. This can be used as a callback together with
159 * OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the
160 * "-h" output even if it's not being handled directly by
163 int parse_opt_unknown_cb(const struct option
*opt
, const char *arg
, int unset
)
169 * Recreates the command-line option in the strbuf.
171 static int recreate_opt(struct strbuf
*sb
, const struct option
*opt
,
172 const char *arg
, int unset
)
176 if (opt
->long_name
) {
177 strbuf_addstr(sb
, unset
? "--no-" : "--");
178 strbuf_addstr(sb
, opt
->long_name
);
180 strbuf_addch(sb
, '=');
181 strbuf_addstr(sb
, arg
);
183 } else if (opt
->short_name
&& !unset
) {
184 strbuf_addch(sb
, '-');
185 strbuf_addch(sb
, opt
->short_name
);
187 strbuf_addstr(sb
, arg
);
195 * For an option opt, recreates the command-line option in opt->value which
196 * must be an char* initialized to NULL. This is useful when we need to pass
197 * the command-line option to another command. Since any previous value will be
198 * overwritten, this callback should only be used for options where the last
201 int parse_opt_passthru(const struct option
*opt
, const char *arg
, int unset
)
203 static struct strbuf sb
= STRBUF_INIT
;
204 char **opt_value
= opt
->value
;
206 if (recreate_opt(&sb
, opt
, arg
, unset
) < 0)
212 *opt_value
= strbuf_detach(&sb
, NULL
);
218 * For an option opt, recreate the command-line option, appending it to
219 * opt->value which must be a argv_array. This is useful when we need to pass
220 * the command-line option, which can be specified multiple times, to another
223 int parse_opt_passthru_argv(const struct option
*opt
, const char *arg
, int unset
)
225 static struct strbuf sb
= STRBUF_INIT
;
226 struct argv_array
*opt_value
= opt
->value
;
228 if (recreate_opt(&sb
, opt
, arg
, unset
) < 0)
231 argv_array_push(opt_value
, sb
.buf
);