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1 | #include "git-compat-util.h" | |
2 | #include "parse-options.h" | |
3 | #include "branch.h" | |
4 | #include "commit.h" | |
5 | #include "color.h" | |
6 | #include "date.h" | |
7 | #include "environment.h" | |
8 | #include "gettext.h" | |
9 | #include "object-name.h" | |
10 | #include "string-list.h" | |
11 | #include "strvec.h" | |
12 | #include "oid-array.h" | |
13 | ||
14 | /*----- some often used options -----*/ | |
15 | ||
16 | int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset) | |
17 | { | |
18 | int v; | |
19 | ||
20 | if (!arg) { | |
21 | v = unset ? 0 : DEFAULT_ABBREV; | |
22 | } else { | |
23 | if (!*arg) | |
24 | return error(_("option `%s' expects a numerical value"), | |
25 | opt->long_name); | |
26 | v = strtol(arg, (char **)&arg, 10); | |
27 | if (*arg) | |
28 | return error(_("option `%s' expects a numerical value"), | |
29 | opt->long_name); | |
30 | if (v && v < MINIMUM_ABBREV) | |
31 | v = MINIMUM_ABBREV; | |
32 | else if (v > the_hash_algo->hexsz) | |
33 | v = the_hash_algo->hexsz; | |
34 | } | |
35 | *(int *)(opt->value) = v; | |
36 | return 0; | |
37 | } | |
38 | ||
39 | int parse_opt_expiry_date_cb(const struct option *opt, const char *arg, | |
40 | int unset) | |
41 | { | |
42 | if (unset) | |
43 | arg = "never"; | |
44 | if (parse_expiry_date(arg, (timestamp_t *)opt->value)) | |
45 | die(_("malformed expiration date '%s'"), arg); | |
46 | return 0; | |
47 | } | |
48 | ||
49 | int parse_opt_color_flag_cb(const struct option *opt, const char *arg, | |
50 | int unset) | |
51 | { | |
52 | int value; | |
53 | ||
54 | if (!arg) | |
55 | arg = unset ? "never" : (const char *)opt->defval; | |
56 | value = git_config_colorbool(NULL, arg); | |
57 | if (value < 0) | |
58 | return error(_("option `%s' expects \"always\", \"auto\", or \"never\""), | |
59 | opt->long_name); | |
60 | *(int *)opt->value = value; | |
61 | return 0; | |
62 | } | |
63 | ||
64 | int parse_opt_verbosity_cb(const struct option *opt, const char *arg, | |
65 | int unset) | |
66 | { | |
67 | int *target = opt->value; | |
68 | ||
69 | BUG_ON_OPT_ARG(arg); | |
70 | ||
71 | if (unset) | |
72 | /* --no-quiet, --no-verbose */ | |
73 | *target = 0; | |
74 | else if (opt->short_name == 'v') { | |
75 | if (*target >= 0) | |
76 | (*target)++; | |
77 | else | |
78 | *target = 1; | |
79 | } else { | |
80 | if (*target <= 0) | |
81 | (*target)--; | |
82 | else | |
83 | *target = -1; | |
84 | } | |
85 | return 0; | |
86 | } | |
87 | ||
88 | int parse_opt_commits(const struct option *opt, const char *arg, int unset) | |
89 | { | |
90 | struct object_id oid; | |
91 | struct commit *commit; | |
92 | ||
93 | BUG_ON_OPT_NEG(unset); | |
94 | ||
95 | if (!arg) | |
96 | return -1; | |
97 | if (repo_get_oid(the_repository, arg, &oid)) | |
98 | return error("malformed object name %s", arg); | |
99 | commit = lookup_commit_reference(the_repository, &oid); | |
100 | if (!commit) | |
101 | return error("no such commit %s", arg); | |
102 | commit_list_insert(commit, opt->value); | |
103 | return 0; | |
104 | } | |
105 | ||
106 | int parse_opt_commit(const struct option *opt, const char *arg, int unset) | |
107 | { | |
108 | struct object_id oid; | |
109 | struct commit *commit; | |
110 | struct commit **target = opt->value; | |
111 | ||
112 | BUG_ON_OPT_NEG(unset); | |
113 | ||
114 | if (!arg) | |
115 | return -1; | |
116 | if (repo_get_oid(the_repository, arg, &oid)) | |
117 | return error("malformed object name %s", arg); | |
118 | commit = lookup_commit_reference(the_repository, &oid); | |
119 | if (!commit) | |
120 | return error("no such commit %s", arg); | |
121 | *target = commit; | |
122 | return 0; | |
123 | } | |
124 | ||
125 | int parse_opt_object_name(const struct option *opt, const char *arg, int unset) | |
126 | { | |
127 | struct object_id oid; | |
128 | ||
129 | if (unset) { | |
130 | oid_array_clear(opt->value); | |
131 | return 0; | |
132 | } | |
133 | if (!arg) | |
134 | return -1; | |
135 | if (repo_get_oid(the_repository, arg, &oid)) | |
136 | return error(_("malformed object name '%s'"), arg); | |
137 | oid_array_append(opt->value, &oid); | |
138 | return 0; | |
139 | } | |
140 | ||
141 | int parse_opt_object_id(const struct option *opt, const char *arg, int unset) | |
142 | { | |
143 | struct object_id oid; | |
144 | struct object_id *target = opt->value; | |
145 | ||
146 | if (unset) { | |
147 | oidcpy(target, null_oid()); | |
148 | return 0; | |
149 | } | |
150 | if (!arg) | |
151 | return -1; | |
152 | if (repo_get_oid(the_repository, arg, &oid)) | |
153 | return error(_("malformed object name '%s'"), arg); | |
154 | *target = oid; | |
155 | return 0; | |
156 | } | |
157 | ||
158 | int parse_opt_tertiary(const struct option *opt, const char *arg, int unset) | |
159 | { | |
160 | int *target = opt->value; | |
161 | ||
162 | BUG_ON_OPT_ARG(arg); | |
163 | ||
164 | *target = unset ? 2 : 1; | |
165 | return 0; | |
166 | } | |
167 | ||
168 | static size_t parse_options_count(const struct option *opt) | |
169 | { | |
170 | size_t n = 0; | |
171 | ||
172 | for (; opt && opt->type != OPTION_END; opt++) | |
173 | n++; | |
174 | return n; | |
175 | } | |
176 | ||
177 | struct option *parse_options_dup(const struct option *o) | |
178 | { | |
179 | struct option no_options[] = { OPT_END() }; | |
180 | ||
181 | return parse_options_concat(o, no_options); | |
182 | } | |
183 | ||
184 | struct option *parse_options_concat(const struct option *a, | |
185 | const struct option *b) | |
186 | { | |
187 | struct option *ret; | |
188 | size_t a_len = parse_options_count(a); | |
189 | size_t b_len = parse_options_count(b); | |
190 | ||
191 | ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1)); | |
192 | COPY_ARRAY(ret, a, a_len); | |
193 | COPY_ARRAY(ret + a_len, b, b_len + 1); /* + 1 for final OPTION_END */ | |
194 | ||
195 | return ret; | |
196 | } | |
197 | ||
198 | int parse_opt_string_list(const struct option *opt, const char *arg, int unset) | |
199 | { | |
200 | struct string_list *v = opt->value; | |
201 | ||
202 | if (unset) { | |
203 | string_list_clear(v, 0); | |
204 | return 0; | |
205 | } | |
206 | ||
207 | if (!arg) | |
208 | return -1; | |
209 | ||
210 | string_list_append(v, arg); | |
211 | return 0; | |
212 | } | |
213 | ||
214 | int parse_opt_strvec(const struct option *opt, const char *arg, int unset) | |
215 | { | |
216 | struct strvec *v = opt->value; | |
217 | ||
218 | if (unset) { | |
219 | strvec_clear(v); | |
220 | return 0; | |
221 | } | |
222 | ||
223 | if (!arg) | |
224 | return -1; | |
225 | ||
226 | strvec_push(v, arg); | |
227 | return 0; | |
228 | } | |
229 | ||
230 | int parse_opt_noop_cb(const struct option *opt UNUSED, | |
231 | const char *arg UNUSED, | |
232 | int unset UNUSED) | |
233 | { | |
234 | return 0; | |
235 | } | |
236 | ||
237 | /** | |
238 | * Recreates the command-line option in the strbuf. | |
239 | */ | |
240 | static int recreate_opt(struct strbuf *sb, const struct option *opt, | |
241 | const char *arg, int unset) | |
242 | { | |
243 | strbuf_reset(sb); | |
244 | ||
245 | if (opt->long_name) { | |
246 | strbuf_addstr(sb, unset ? "--no-" : "--"); | |
247 | strbuf_addstr(sb, opt->long_name); | |
248 | if (arg) { | |
249 | strbuf_addch(sb, '='); | |
250 | strbuf_addstr(sb, arg); | |
251 | } | |
252 | } else if (opt->short_name && !unset) { | |
253 | strbuf_addch(sb, '-'); | |
254 | strbuf_addch(sb, opt->short_name); | |
255 | if (arg) | |
256 | strbuf_addstr(sb, arg); | |
257 | } else | |
258 | return -1; | |
259 | ||
260 | return 0; | |
261 | } | |
262 | ||
263 | /** | |
264 | * For an option opt, recreates the command-line option in opt->value which | |
265 | * must be an char* initialized to NULL. This is useful when we need to pass | |
266 | * the command-line option to another command. Since any previous value will be | |
267 | * overwritten, this callback should only be used for options where the last | |
268 | * one wins. | |
269 | */ | |
270 | int parse_opt_passthru(const struct option *opt, const char *arg, int unset) | |
271 | { | |
272 | static struct strbuf sb = STRBUF_INIT; | |
273 | char **opt_value = opt->value; | |
274 | ||
275 | if (recreate_opt(&sb, opt, arg, unset) < 0) | |
276 | return -1; | |
277 | ||
278 | free(*opt_value); | |
279 | ||
280 | *opt_value = strbuf_detach(&sb, NULL); | |
281 | ||
282 | return 0; | |
283 | } | |
284 | ||
285 | /** | |
286 | * For an option opt, recreate the command-line option, appending it to | |
287 | * opt->value which must be a strvec. This is useful when we need to pass | |
288 | * the command-line option, which can be specified multiple times, to another | |
289 | * command. | |
290 | */ | |
291 | int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset) | |
292 | { | |
293 | static struct strbuf sb = STRBUF_INIT; | |
294 | struct strvec *opt_value = opt->value; | |
295 | ||
296 | if (recreate_opt(&sb, opt, arg, unset) < 0) | |
297 | return -1; | |
298 | ||
299 | strvec_push(opt_value, sb.buf); | |
300 | ||
301 | return 0; | |
302 | } | |
303 | ||
304 | int parse_opt_tracking_mode(const struct option *opt, const char *arg, int unset) | |
305 | { | |
306 | if (unset) | |
307 | *(enum branch_track *)opt->value = BRANCH_TRACK_NEVER; | |
308 | else if (!arg || !strcmp(arg, "direct")) | |
309 | *(enum branch_track *)opt->value = BRANCH_TRACK_EXPLICIT; | |
310 | else if (!strcmp(arg, "inherit")) | |
311 | *(enum branch_track *)opt->value = BRANCH_TRACK_INHERIT; | |
312 | else | |
313 | return error(_("option `%s' expects \"%s\" or \"%s\""), | |
314 | "--track", "direct", "inherit"); | |
315 | ||
316 | return 0; | |
317 | } |