126 lines
2.4 KiB
C
126 lines
2.4 KiB
C
#include "git-compat-util.h"
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#include "parse-options.h"
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#include "cache.h"
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#include "commit.h"
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#include "color.h"
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#include "string-list.h"
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/*----- some often used options -----*/
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int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset)
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{
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int v;
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if (!arg) {
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v = unset ? 0 : DEFAULT_ABBREV;
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} else {
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v = strtol(arg, (char **)&arg, 10);
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if (*arg)
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return opterror(opt, "expects a numerical value", 0);
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if (v && v < MINIMUM_ABBREV)
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v = MINIMUM_ABBREV;
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else if (v > 40)
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v = 40;
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}
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*(int *)(opt->value) = v;
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return 0;
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}
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int parse_opt_approxidate_cb(const struct option *opt, const char *arg,
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int unset)
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{
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*(unsigned long *)(opt->value) = approxidate(arg);
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return 0;
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}
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int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
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int unset)
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{
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int value;
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if (!arg)
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arg = unset ? "never" : (const char *)opt->defval;
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value = git_config_colorbool(NULL, arg);
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if (value < 0)
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return opterror(opt,
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"expects \"always\", \"auto\", or \"never\"", 0);
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*(int *)opt->value = value;
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return 0;
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}
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int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
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int unset)
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{
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int *target = opt->value;
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if (unset)
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/* --no-quiet, --no-verbose */
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*target = 0;
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else if (opt->short_name == 'v') {
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if (*target >= 0)
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(*target)++;
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else
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*target = 1;
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} else {
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if (*target <= 0)
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(*target)--;
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else
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*target = -1;
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}
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return 0;
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}
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int parse_opt_with_commit(const struct option *opt, const char *arg, int unset)
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{
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unsigned char sha1[20];
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struct commit *commit;
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if (!arg)
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return -1;
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if (get_sha1(arg, sha1))
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return error("malformed object name %s", arg);
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commit = lookup_commit_reference(sha1);
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if (!commit)
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return error("no such commit %s", arg);
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commit_list_insert(commit, opt->value);
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return 0;
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}
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int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
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{
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int *target = opt->value;
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*target = unset ? 2 : 1;
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return 0;
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}
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int parse_options_concat(struct option *dst, size_t dst_size, struct option *src)
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{
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int i, j;
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for (i = 0; i < dst_size; i++)
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if (dst[i].type == OPTION_END)
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break;
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for (j = 0; i < dst_size; i++, j++) {
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dst[i] = src[j];
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if (src[j].type == OPTION_END)
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return 0;
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}
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return -1;
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}
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int parse_opt_string_list(const struct option *opt, const char *arg, int unset)
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{
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struct string_list *v = opt->value;
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if (unset) {
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string_list_clear(v, 0);
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return 0;
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}
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if (!arg)
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return -1;
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string_list_append(v, xstrdup(arg));
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return 0;
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}
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