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
)
84 struct commit
*commit
;
88 if (get_oid(arg
, &oid
))
89 return error("malformed object name %s", arg
);
90 commit
= lookup_commit_reference(&oid
);
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
)
102 oid_array_clear(opt
->value
);
107 if (get_oid(arg
, &oid
))
108 return error(_("malformed object name '%s'"), arg
);
109 oid_array_append(opt
->value
, &oid
);
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
, arg
);
156 int parse_opt_noop_cb(const struct option
*opt
, const char *arg
, int unset
)
162 * Report that the option is unknown, so that other code can handle
163 * it. This can be used as a callback together with
164 * OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the
165 * "-h" output even if it's not being handled directly by
168 int parse_opt_unknown_cb(const struct option
*opt
, const char *arg
, int unset
)
174 * Recreates the command-line option in the strbuf.
176 static int recreate_opt(struct strbuf
*sb
, const struct option
*opt
,
177 const char *arg
, int unset
)
181 if (opt
->long_name
) {
182 strbuf_addstr(sb
, unset
? "--no-" : "--");
183 strbuf_addstr(sb
, opt
->long_name
);
185 strbuf_addch(sb
, '=');
186 strbuf_addstr(sb
, arg
);
188 } else if (opt
->short_name
&& !unset
) {
189 strbuf_addch(sb
, '-');
190 strbuf_addch(sb
, opt
->short_name
);
192 strbuf_addstr(sb
, arg
);
200 * For an option opt, recreates the command-line option in opt->value which
201 * must be an char* initialized to NULL. This is useful when we need to pass
202 * the command-line option to another command. Since any previous value will be
203 * overwritten, this callback should only be used for options where the last
206 int parse_opt_passthru(const struct option
*opt
, const char *arg
, int unset
)
208 static struct strbuf sb
= STRBUF_INIT
;
209 char **opt_value
= opt
->value
;
211 if (recreate_opt(&sb
, opt
, arg
, unset
) < 0)
216 *opt_value
= strbuf_detach(&sb
, NULL
);
222 * For an option opt, recreate the command-line option, appending it to
223 * opt->value which must be a argv_array. This is useful when we need to pass
224 * the command-line option, which can be specified multiple times, to another
227 int parse_opt_passthru_argv(const struct option
*opt
, const char *arg
, int unset
)
229 static struct strbuf sb
= STRBUF_INIT
;
230 struct argv_array
*opt_value
= opt
->value
;
232 if (recreate_opt(&sb
, opt
, arg
, unset
) < 0)
235 argv_array_push(opt_value
, sb
.buf
);