]>
Commit | Line | Data |
---|---|---|
1 | #include "git-compat-util.h" | |
2 | #include "parse-options.h" | |
3 | #include "cache.h" | |
4 | #include "commit.h" | |
5 | #include "color.h" | |
6 | #include "string-list.h" | |
7 | #include "strvec.h" | |
8 | #include "oid-array.h" | |
9 | ||
10 | /*----- some often used options -----*/ | |
11 | ||
12 | int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset) | |
13 | { | |
14 | int v; | |
15 | ||
16 | if (!arg) { | |
17 | v = unset ? 0 : DEFAULT_ABBREV; | |
18 | } else { | |
19 | if (!*arg) | |
20 | return error(_("option `%s' expects a numerical value"), | |
21 | opt->long_name); | |
22 | v = strtol(arg, (char **)&arg, 10); | |
23 | if (*arg) | |
24 | return error(_("option `%s' expects a numerical value"), | |
25 | opt->long_name); | |
26 | if (v && v < MINIMUM_ABBREV) | |
27 | v = MINIMUM_ABBREV; | |
28 | else if (v > the_hash_algo->hexsz) | |
29 | v = the_hash_algo->hexsz; | |
30 | } | |
31 | *(int *)(opt->value) = v; | |
32 | return 0; | |
33 | } | |
34 | ||
35 | int parse_opt_expiry_date_cb(const struct option *opt, const char *arg, | |
36 | int unset) | |
37 | { | |
38 | if (unset) | |
39 | arg = "never"; | |
40 | if (parse_expiry_date(arg, (timestamp_t *)opt->value)) | |
41 | die(_("malformed expiration date '%s'"), arg); | |
42 | return 0; | |
43 | } | |
44 | ||
45 | int parse_opt_color_flag_cb(const struct option *opt, const char *arg, | |
46 | int unset) | |
47 | { | |
48 | int value; | |
49 | ||
50 | if (!arg) | |
51 | arg = unset ? "never" : (const char *)opt->defval; | |
52 | value = git_config_colorbool(NULL, arg); | |
53 | if (value < 0) | |
54 | return error(_("option `%s' expects \"always\", \"auto\", or \"never\""), | |
55 | opt->long_name); | |
56 | *(int *)opt->value = value; | |
57 | return 0; | |
58 | } | |
59 | ||
60 | int parse_opt_verbosity_cb(const struct option *opt, const char *arg, | |
61 | int unset) | |
62 | { | |
63 | int *target = opt->value; | |
64 | ||
65 | BUG_ON_OPT_ARG(arg); | |
66 | ||
67 | if (unset) | |
68 | /* --no-quiet, --no-verbose */ | |
69 | *target = 0; | |
70 | else if (opt->short_name == 'v') { | |
71 | if (*target >= 0) | |
72 | (*target)++; | |
73 | else | |
74 | *target = 1; | |
75 | } else { | |
76 | if (*target <= 0) | |
77 | (*target)--; | |
78 | else | |
79 | *target = -1; | |
80 | } | |
81 | return 0; | |
82 | } | |
83 | ||
84 | int parse_opt_commits(const struct option *opt, const char *arg, int unset) | |
85 | { | |
86 | struct object_id oid; | |
87 | struct commit *commit; | |
88 | ||
89 | BUG_ON_OPT_NEG(unset); | |
90 | ||
91 | if (!arg) | |
92 | return -1; | |
93 | if (get_oid(arg, &oid)) | |
94 | return error("malformed object name %s", arg); | |
95 | commit = lookup_commit_reference(the_repository, &oid); | |
96 | if (!commit) | |
97 | return error("no such commit %s", arg); | |
98 | commit_list_insert(commit, opt->value); | |
99 | return 0; | |
100 | } | |
101 | ||
102 | int parse_opt_commit(const struct option *opt, const char *arg, int unset) | |
103 | { | |
104 | struct object_id oid; | |
105 | struct commit *commit; | |
106 | struct commit **target = opt->value; | |
107 | ||
108 | BUG_ON_OPT_NEG(unset); | |
109 | ||
110 | if (!arg) | |
111 | return -1; | |
112 | if (get_oid(arg, &oid)) | |
113 | return error("malformed object name %s", arg); | |
114 | commit = lookup_commit_reference(the_repository, &oid); | |
115 | if (!commit) | |
116 | return error("no such commit %s", arg); | |
117 | *target = commit; | |
118 | return 0; | |
119 | } | |
120 | ||
121 | int parse_opt_object_name(const struct option *opt, const char *arg, int unset) | |
122 | { | |
123 | struct object_id oid; | |
124 | ||
125 | if (unset) { | |
126 | oid_array_clear(opt->value); | |
127 | return 0; | |
128 | } | |
129 | if (!arg) | |
130 | return -1; | |
131 | if (get_oid(arg, &oid)) | |
132 | return error(_("malformed object name '%s'"), arg); | |
133 | oid_array_append(opt->value, &oid); | |
134 | return 0; | |
135 | } | |
136 | ||
137 | int parse_opt_object_id(const struct option *opt, const char *arg, int unset) | |
138 | { | |
139 | struct object_id oid; | |
140 | struct object_id *target = opt->value; | |
141 | ||
142 | if (unset) { | |
143 | *target = null_oid; | |
144 | return 0; | |
145 | } | |
146 | if (!arg) | |
147 | return -1; | |
148 | if (get_oid(arg, &oid)) | |
149 | return error(_("malformed object name '%s'"), arg); | |
150 | *target = oid; | |
151 | return 0; | |
152 | } | |
153 | ||
154 | int parse_opt_tertiary(const struct option *opt, const char *arg, int unset) | |
155 | { | |
156 | int *target = opt->value; | |
157 | ||
158 | BUG_ON_OPT_ARG(arg); | |
159 | ||
160 | *target = unset ? 2 : 1; | |
161 | return 0; | |
162 | } | |
163 | ||
164 | static size_t parse_options_count(const struct option *opt) | |
165 | { | |
166 | size_t n = 0; | |
167 | ||
168 | for (; opt && opt->type != OPTION_END; opt++) | |
169 | n++; | |
170 | return n; | |
171 | } | |
172 | ||
173 | struct option *parse_options_dup(const struct option *o) | |
174 | { | |
175 | struct option no_options[] = { OPT_END() }; | |
176 | ||
177 | return parse_options_concat(o, no_options); | |
178 | } | |
179 | ||
180 | struct option *parse_options_concat(const struct option *a, | |
181 | const struct option *b) | |
182 | { | |
183 | struct option *ret; | |
184 | size_t a_len = parse_options_count(a); | |
185 | size_t b_len = parse_options_count(b); | |
186 | ||
187 | ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1)); | |
188 | COPY_ARRAY(ret, a, a_len); | |
189 | COPY_ARRAY(ret + a_len, b, b_len + 1); /* + 1 for final OPTION_END */ | |
190 | ||
191 | return ret; | |
192 | } | |
193 | ||
194 | int parse_opt_string_list(const struct option *opt, const char *arg, int unset) | |
195 | { | |
196 | struct string_list *v = opt->value; | |
197 | ||
198 | if (unset) { | |
199 | string_list_clear(v, 0); | |
200 | return 0; | |
201 | } | |
202 | ||
203 | if (!arg) | |
204 | return -1; | |
205 | ||
206 | string_list_append(v, arg); | |
207 | return 0; | |
208 | } | |
209 | ||
210 | int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset) | |
211 | { | |
212 | return 0; | |
213 | } | |
214 | ||
215 | /** | |
216 | * Report that the option is unknown, so that other code can handle | |
217 | * it. This can be used as a callback together with | |
218 | * OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the | |
219 | * "-h" output even if it's not being handled directly by | |
220 | * parse_options(). | |
221 | */ | |
222 | enum parse_opt_result parse_opt_unknown_cb(struct parse_opt_ctx_t *ctx, | |
223 | const struct option *opt, | |
224 | const char *arg, int unset) | |
225 | { | |
226 | BUG_ON_OPT_ARG(arg); | |
227 | return PARSE_OPT_UNKNOWN; | |
228 | } | |
229 | ||
230 | /** | |
231 | * Recreates the command-line option in the strbuf. | |
232 | */ | |
233 | static int recreate_opt(struct strbuf *sb, const struct option *opt, | |
234 | const char *arg, int unset) | |
235 | { | |
236 | strbuf_reset(sb); | |
237 | ||
238 | if (opt->long_name) { | |
239 | strbuf_addstr(sb, unset ? "--no-" : "--"); | |
240 | strbuf_addstr(sb, opt->long_name); | |
241 | if (arg) { | |
242 | strbuf_addch(sb, '='); | |
243 | strbuf_addstr(sb, arg); | |
244 | } | |
245 | } else if (opt->short_name && !unset) { | |
246 | strbuf_addch(sb, '-'); | |
247 | strbuf_addch(sb, opt->short_name); | |
248 | if (arg) | |
249 | strbuf_addstr(sb, arg); | |
250 | } else | |
251 | return -1; | |
252 | ||
253 | return 0; | |
254 | } | |
255 | ||
256 | /** | |
257 | * For an option opt, recreates the command-line option in opt->value which | |
258 | * must be an char* initialized to NULL. This is useful when we need to pass | |
259 | * the command-line option to another command. Since any previous value will be | |
260 | * overwritten, this callback should only be used for options where the last | |
261 | * one wins. | |
262 | */ | |
263 | int parse_opt_passthru(const struct option *opt, const char *arg, int unset) | |
264 | { | |
265 | static struct strbuf sb = STRBUF_INIT; | |
266 | char **opt_value = opt->value; | |
267 | ||
268 | if (recreate_opt(&sb, opt, arg, unset) < 0) | |
269 | return -1; | |
270 | ||
271 | free(*opt_value); | |
272 | ||
273 | *opt_value = strbuf_detach(&sb, NULL); | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
278 | /** | |
279 | * For an option opt, recreate the command-line option, appending it to | |
280 | * opt->value which must be a strvec. This is useful when we need to pass | |
281 | * the command-line option, which can be specified multiple times, to another | |
282 | * command. | |
283 | */ | |
284 | int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset) | |
285 | { | |
286 | static struct strbuf sb = STRBUF_INIT; | |
287 | struct strvec *opt_value = opt->value; | |
288 | ||
289 | if (recreate_opt(&sb, opt, arg, unset) < 0) | |
290 | return -1; | |
291 | ||
292 | strvec_push(opt_value, sb.buf); | |
293 | ||
294 | return 0; | |
295 | } |