318 lines
6.8 KiB
C
318 lines
6.8 KiB
C
#include "git-compat-util.h"
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#include "parse-options.h"
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#include "branch.h"
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#include "commit.h"
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#include "color.h"
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#include "date.h"
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#include "environment.h"
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#include "gettext.h"
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#include "object-name.h"
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#include "string-list.h"
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#include "strvec.h"
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#include "oid-array.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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if (!*arg)
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return error(_("option `%s' expects a numerical value"),
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opt->long_name);
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v = strtol(arg, (char **)&arg, 10);
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if (*arg)
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return error(_("option `%s' expects a numerical value"),
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opt->long_name);
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if (v && v < MINIMUM_ABBREV)
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v = MINIMUM_ABBREV;
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else if (v > the_hash_algo->hexsz)
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v = the_hash_algo->hexsz;
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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_expiry_date_cb(const struct option *opt, const char *arg,
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int unset)
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{
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if (unset)
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arg = "never";
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if (parse_expiry_date(arg, (timestamp_t *)opt->value))
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die(_("malformed expiration date '%s'"), 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 error(_("option `%s' expects \"always\", \"auto\", or \"never\""),
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opt->long_name);
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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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BUG_ON_OPT_ARG(arg);
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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_commits(const struct option *opt, const char *arg, int unset)
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{
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struct object_id oid;
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struct commit *commit;
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BUG_ON_OPT_NEG(unset);
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if (!arg)
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return -1;
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if (repo_get_oid(the_repository, arg, &oid))
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return error("malformed object name %s", arg);
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commit = lookup_commit_reference(the_repository, &oid);
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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_commit(const struct option *opt, const char *arg, int unset)
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{
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struct object_id oid;
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struct commit *commit;
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struct commit **target = opt->value;
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BUG_ON_OPT_NEG(unset);
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if (!arg)
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return -1;
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if (repo_get_oid(the_repository, arg, &oid))
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return error("malformed object name %s", arg);
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commit = lookup_commit_reference(the_repository, &oid);
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if (!commit)
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return error("no such commit %s", arg);
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*target = commit;
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return 0;
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}
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int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
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{
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struct object_id oid;
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if (unset) {
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oid_array_clear(opt->value);
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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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if (repo_get_oid(the_repository, arg, &oid))
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return error(_("malformed object name '%s'"), arg);
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oid_array_append(opt->value, &oid);
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return 0;
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}
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int parse_opt_object_id(const struct option *opt, const char *arg, int unset)
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{
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struct object_id oid;
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struct object_id *target = opt->value;
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if (unset) {
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oidcpy(target, null_oid());
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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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if (repo_get_oid(the_repository, arg, &oid))
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return error(_("malformed object name '%s'"), arg);
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*target = oid;
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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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BUG_ON_OPT_ARG(arg);
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*target = unset ? 2 : 1;
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return 0;
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}
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static size_t parse_options_count(const struct option *opt)
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{
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size_t n = 0;
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for (; opt && opt->type != OPTION_END; opt++)
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n++;
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return n;
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}
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struct option *parse_options_dup(const struct option *o)
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{
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struct option no_options[] = { OPT_END() };
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return parse_options_concat(o, no_options);
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}
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struct option *parse_options_concat(const struct option *a,
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const struct option *b)
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{
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struct option *ret;
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size_t a_len = parse_options_count(a);
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size_t b_len = parse_options_count(b);
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ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1));
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COPY_ARRAY(ret, a, a_len);
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COPY_ARRAY(ret + a_len, b, b_len + 1); /* + 1 for final OPTION_END */
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return ret;
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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, arg);
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return 0;
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}
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int parse_opt_strvec(const struct option *opt, const char *arg, int unset)
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{
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struct strvec *v = opt->value;
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if (unset) {
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strvec_clear(v);
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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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strvec_push(v, arg);
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return 0;
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}
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int parse_opt_noop_cb(const struct option *opt UNUSED,
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const char *arg UNUSED,
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int unset UNUSED)
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{
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return 0;
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}
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/**
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* Recreates the command-line option in the strbuf.
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*/
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static int recreate_opt(struct strbuf *sb, const struct option *opt,
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const char *arg, int unset)
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{
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strbuf_reset(sb);
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if (opt->long_name) {
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strbuf_addstr(sb, unset ? "--no-" : "--");
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strbuf_addstr(sb, opt->long_name);
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if (arg) {
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strbuf_addch(sb, '=');
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strbuf_addstr(sb, arg);
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}
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} else if (opt->short_name && !unset) {
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strbuf_addch(sb, '-');
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strbuf_addch(sb, opt->short_name);
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if (arg)
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strbuf_addstr(sb, arg);
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} else
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return -1;
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return 0;
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}
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/**
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* For an option opt, recreates the command-line option in opt->value which
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* must be an char* initialized to NULL. This is useful when we need to pass
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* the command-line option to another command. Since any previous value will be
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* overwritten, this callback should only be used for options where the last
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* one wins.
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*/
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int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
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{
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static struct strbuf sb = STRBUF_INIT;
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char **opt_value = opt->value;
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if (recreate_opt(&sb, opt, arg, unset) < 0)
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return -1;
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free(*opt_value);
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*opt_value = strbuf_detach(&sb, NULL);
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return 0;
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}
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/**
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* For an option opt, recreate the command-line option, appending it to
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* opt->value which must be a strvec. This is useful when we need to pass
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* the command-line option, which can be specified multiple times, to another
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* command.
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*/
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int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
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{
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static struct strbuf sb = STRBUF_INIT;
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struct strvec *opt_value = opt->value;
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if (recreate_opt(&sb, opt, arg, unset) < 0)
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return -1;
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strvec_push(opt_value, sb.buf);
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return 0;
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}
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int parse_opt_tracking_mode(const struct option *opt, const char *arg, int unset)
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{
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if (unset)
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*(enum branch_track *)opt->value = BRANCH_TRACK_NEVER;
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else if (!arg || !strcmp(arg, "direct"))
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*(enum branch_track *)opt->value = BRANCH_TRACK_EXPLICIT;
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else if (!strcmp(arg, "inherit"))
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*(enum branch_track *)opt->value = BRANCH_TRACK_INHERIT;
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else
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return error(_("option `%s' expects \"%s\" or \"%s\""),
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"--track", "direct", "inherit");
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return 0;
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}
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