| 1 | #define USE_THE_REPOSITORY_VARIABLE |
| 2 | |
| 3 | #include "git-compat-util.h" |
| 4 | #include "parse-options.h" |
| 5 | #include "branch.h" |
| 6 | #include "commit.h" |
| 7 | #include "color.h" |
| 8 | #include "date.h" |
| 9 | #include "environment.h" |
| 10 | #include "gettext.h" |
| 11 | #include "object-name.h" |
| 12 | #include "setup.h" |
| 13 | #include "string-list.h" |
| 14 | #include "strvec.h" |
| 15 | #include "oid-array.h" |
| 16 | |
| 17 | /*----- some often used options -----*/ |
| 18 | |
| 19 | int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset) |
| 20 | { |
| 21 | int v; |
| 22 | |
| 23 | if (!arg) { |
| 24 | v = unset ? 0 : DEFAULT_ABBREV; |
| 25 | } else { |
| 26 | if (!*arg) |
| 27 | return error(_("option `%s' expects a numerical value"), |
| 28 | opt->long_name); |
| 29 | v = strtol(arg, (char **)&arg, 10); |
| 30 | if (*arg) |
| 31 | return error(_("option `%s' expects a numerical value"), |
| 32 | opt->long_name); |
| 33 | if (v && v < MINIMUM_ABBREV) |
| 34 | v = MINIMUM_ABBREV; |
| 35 | } |
| 36 | *(int *)(opt->value) = v; |
| 37 | return 0; |
| 38 | } |
| 39 | |
| 40 | int parse_opt_expiry_date_cb(const struct option *opt, const char *arg, |
| 41 | int unset) |
| 42 | { |
| 43 | if (unset) |
| 44 | arg = "never"; |
| 45 | if (parse_expiry_date(arg, (timestamp_t *)opt->value)) |
| 46 | die(_("malformed expiration date '%s'"), arg); |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | int parse_opt_color_flag_cb(const struct option *opt, const char *arg, |
| 51 | int unset) |
| 52 | { |
| 53 | enum git_colorbool value; |
| 54 | |
| 55 | if (!arg) |
| 56 | arg = unset ? "never" : (const char *)opt->defval; |
| 57 | value = git_config_colorbool(NULL, arg); |
| 58 | if (value == GIT_COLOR_UNKNOWN) |
| 59 | return error(_("option `%s' expects \"always\", \"auto\", or \"never\""), |
| 60 | opt->long_name); |
| 61 | *(int *)opt->value = value; |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | int parse_opt_verbosity_cb(const struct option *opt, const char *arg, |
| 66 | int unset) |
| 67 | { |
| 68 | int *target = opt->value; |
| 69 | |
| 70 | BUG_ON_OPT_ARG(arg); |
| 71 | |
| 72 | if (unset) |
| 73 | /* --no-quiet, --no-verbose */ |
| 74 | *target = 0; |
| 75 | else if (opt->short_name == 'v') { |
| 76 | if (*target >= 0) |
| 77 | (*target)++; |
| 78 | else |
| 79 | *target = 1; |
| 80 | } else { |
| 81 | if (*target <= 0) |
| 82 | (*target)--; |
| 83 | else |
| 84 | *target = -1; |
| 85 | } |
| 86 | return 0; |
| 87 | } |
| 88 | |
| 89 | int parse_opt_commits(const struct option *opt, const char *arg, int unset) |
| 90 | { |
| 91 | struct object_id oid; |
| 92 | struct commit *commit; |
| 93 | |
| 94 | BUG_ON_OPT_NEG(unset); |
| 95 | |
| 96 | if (!arg) |
| 97 | return -1; |
| 98 | if (repo_get_oid(the_repository, arg, &oid)) |
| 99 | return error("malformed object name %s", arg); |
| 100 | commit = lookup_commit_reference(the_repository, &oid); |
| 101 | if (!commit) |
| 102 | return error("no such commit %s", arg); |
| 103 | commit_list_insert(commit, opt->value); |
| 104 | return 0; |
| 105 | } |
| 106 | |
| 107 | int parse_opt_commit(const struct option *opt, const char *arg, int unset) |
| 108 | { |
| 109 | struct object_id oid; |
| 110 | struct commit *commit; |
| 111 | struct commit **target = opt->value; |
| 112 | |
| 113 | BUG_ON_OPT_NEG(unset); |
| 114 | |
| 115 | if (!arg) |
| 116 | return -1; |
| 117 | if (repo_get_oid(the_repository, arg, &oid)) |
| 118 | return error("malformed object name %s", arg); |
| 119 | commit = lookup_commit_reference(the_repository, &oid); |
| 120 | if (!commit) |
| 121 | return error("no such commit %s", arg); |
| 122 | *target = commit; |
| 123 | return 0; |
| 124 | } |
| 125 | |
| 126 | int parse_opt_object_name(const struct option *opt, const char *arg, int unset) |
| 127 | { |
| 128 | struct object_id oid; |
| 129 | |
| 130 | if (unset) { |
| 131 | oid_array_clear(opt->value); |
| 132 | return 0; |
| 133 | } |
| 134 | if (!arg) |
| 135 | return -1; |
| 136 | if (repo_get_oid(the_repository, arg, &oid)) |
| 137 | return error(_("malformed object name '%s'"), arg); |
| 138 | oid_array_append(opt->value, &oid); |
| 139 | return 0; |
| 140 | } |
| 141 | |
| 142 | int parse_opt_object_id(const struct option *opt, const char *arg, int unset) |
| 143 | { |
| 144 | struct object_id oid; |
| 145 | struct object_id *target = opt->value; |
| 146 | |
| 147 | if (unset) { |
| 148 | oidcpy(target, null_oid(the_hash_algo)); |
| 149 | return 0; |
| 150 | } |
| 151 | if (!arg) |
| 152 | return -1; |
| 153 | if (repo_get_oid(the_repository, arg, &oid)) |
| 154 | return error(_("malformed object name '%s'"), arg); |
| 155 | *target = oid; |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | int parse_opt_tertiary(const struct option *opt, const char *arg, int unset) |
| 160 | { |
| 161 | int *target = opt->value; |
| 162 | |
| 163 | BUG_ON_OPT_ARG(arg); |
| 164 | |
| 165 | *target = unset ? 2 : 1; |
| 166 | return 0; |
| 167 | } |
| 168 | |
| 169 | static size_t parse_options_count(const struct option *opt) |
| 170 | { |
| 171 | size_t n = 0; |
| 172 | |
| 173 | for (; opt && opt->type != OPTION_END; opt++) |
| 174 | n++; |
| 175 | return n; |
| 176 | } |
| 177 | |
| 178 | struct option *parse_options_dup(const struct option *o) |
| 179 | { |
| 180 | struct option no_options[] = { OPT_END() }; |
| 181 | |
| 182 | return parse_options_concat(o, no_options); |
| 183 | } |
| 184 | |
| 185 | struct option *parse_options_concat(const struct option *a, |
| 186 | const struct option *b) |
| 187 | { |
| 188 | struct option *ret; |
| 189 | size_t a_len = parse_options_count(a); |
| 190 | size_t b_len = parse_options_count(b); |
| 191 | |
| 192 | ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1)); |
| 193 | COPY_ARRAY(ret, a, a_len); |
| 194 | COPY_ARRAY(ret + a_len, b, b_len + 1); /* + 1 for final OPTION_END */ |
| 195 | |
| 196 | return ret; |
| 197 | } |
| 198 | |
| 199 | int parse_opt_string_list(const struct option *opt, const char *arg, int unset) |
| 200 | { |
| 201 | struct string_list *v = opt->value; |
| 202 | |
| 203 | if (unset) { |
| 204 | string_list_clear(v, 0); |
| 205 | return 0; |
| 206 | } |
| 207 | |
| 208 | if (!arg) |
| 209 | return -1; |
| 210 | |
| 211 | string_list_append(v, arg); |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | int parse_opt_strvec(const struct option *opt, const char *arg, int unset) |
| 216 | { |
| 217 | struct strvec *v = opt->value; |
| 218 | |
| 219 | if (unset) { |
| 220 | strvec_clear(v); |
| 221 | return 0; |
| 222 | } |
| 223 | |
| 224 | if (!arg) |
| 225 | return -1; |
| 226 | |
| 227 | strvec_push(v, arg); |
| 228 | return 0; |
| 229 | } |
| 230 | |
| 231 | int parse_opt_noop_cb(const struct option *opt UNUSED, |
| 232 | const char *arg UNUSED, |
| 233 | int unset UNUSED) |
| 234 | { |
| 235 | return 0; |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * Recreates the command-line option in the strbuf. |
| 240 | */ |
| 241 | static int recreate_opt(struct strbuf *sb, const struct option *opt, |
| 242 | const char *arg, int unset) |
| 243 | { |
| 244 | strbuf_reset(sb); |
| 245 | |
| 246 | if (opt->long_name) { |
| 247 | strbuf_addstr(sb, unset ? "--no-" : "--"); |
| 248 | strbuf_addstr(sb, opt->long_name); |
| 249 | if (arg) { |
| 250 | strbuf_addch(sb, '='); |
| 251 | strbuf_addstr(sb, arg); |
| 252 | } |
| 253 | } else if (opt->short_name && !unset) { |
| 254 | strbuf_addch(sb, '-'); |
| 255 | strbuf_addch(sb, opt->short_name); |
| 256 | if (arg) |
| 257 | strbuf_addstr(sb, arg); |
| 258 | } else |
| 259 | return -1; |
| 260 | |
| 261 | return 0; |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * For an option opt, recreates the command-line option in opt->value which |
| 266 | * must be an char* initialized to NULL. This is useful when we need to pass |
| 267 | * the command-line option to another command. Since any previous value will be |
| 268 | * overwritten, this callback should only be used for options where the last |
| 269 | * one wins. |
| 270 | */ |
| 271 | int parse_opt_passthru(const struct option *opt, const char *arg, int unset) |
| 272 | { |
| 273 | static struct strbuf sb = STRBUF_INIT; |
| 274 | char **opt_value = opt->value; |
| 275 | |
| 276 | if (recreate_opt(&sb, opt, arg, unset) < 0) |
| 277 | return -1; |
| 278 | |
| 279 | free(*opt_value); |
| 280 | |
| 281 | *opt_value = strbuf_detach(&sb, NULL); |
| 282 | |
| 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * For an option opt, recreate the command-line option, appending it to |
| 288 | * opt->value which must be a strvec. This is useful when we need to pass |
| 289 | * the command-line option, which can be specified multiple times, to another |
| 290 | * command. |
| 291 | */ |
| 292 | int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset) |
| 293 | { |
| 294 | static struct strbuf sb = STRBUF_INIT; |
| 295 | struct strvec *opt_value = opt->value; |
| 296 | |
| 297 | if (recreate_opt(&sb, opt, arg, unset) < 0) |
| 298 | return -1; |
| 299 | |
| 300 | strvec_push(opt_value, sb.buf); |
| 301 | |
| 302 | return 0; |
| 303 | } |
| 304 | |
| 305 | int parse_opt_tracking_mode(const struct option *opt, const char *arg, int unset) |
| 306 | { |
| 307 | if (unset) |
| 308 | *(enum branch_track *)opt->value = BRANCH_TRACK_NEVER; |
| 309 | else if (!arg || !strcmp(arg, "direct")) |
| 310 | *(enum branch_track *)opt->value = BRANCH_TRACK_EXPLICIT; |
| 311 | else if (!strcmp(arg, "inherit")) |
| 312 | *(enum branch_track *)opt->value = BRANCH_TRACK_INHERIT; |
| 313 | else |
| 314 | return error(_("option `%s' expects \"%s\" or \"%s\""), |
| 315 | "--track", "direct", "inherit"); |
| 316 | |
| 317 | return 0; |
| 318 | } |