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#include "git-compat-util.h"
#include "parse-options.h"
#include "branch.h"
#include "cache.h"
#include "commit.h"
#include "color.h"
#include "string-list.h"
#include "strvec.h"
#include "oid-array.h"
/*----- some often used options -----*/
int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset)
{
int v;
if (!arg) {
v = unset ? 0 : DEFAULT_ABBREV;
} else {
if (!*arg)
return error(_("option `%s' expects a numerical value"),
opt->long_name);
v = strtol(arg, (char **)&arg, 10);
if (*arg)
return error(_("option `%s' expects a numerical value"),
opt->long_name);
if (v && v < MINIMUM_ABBREV)
v = MINIMUM_ABBREV;
else if (v > the_hash_algo->hexsz)
v = the_hash_algo->hexsz;
}
*(int *)(opt->value) = v;
return 0;
}
int parse_opt_expiry_date_cb(const struct option *opt, const char *arg,
int unset)
{
if (unset)
arg = "never";
if (parse_expiry_date(arg, (timestamp_t *)opt->value))
die(_("malformed expiration date '%s'"), arg);
return 0;
}
int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
int unset)
{
int value;
if (!arg)
arg = unset ? "never" : (const char *)opt->defval;
value = git_config_colorbool(NULL, arg);
if (value < 0)
return error(_("option `%s' expects \"always\", \"auto\", or \"never\""),
opt->long_name);
*(int *)opt->value = value;
return 0;
}
int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
int unset)
{
int *target = opt->value;
BUG_ON_OPT_ARG(arg);
if (unset)
/* --no-quiet, --no-verbose */
*target = 0;
else if (opt->short_name == 'v') {
if (*target >= 0)
(*target)++;
else
*target = 1;
} else {
if (*target <= 0)
(*target)--;
else
*target = -1;
}
return 0;
}
int parse_opt_commits(const struct option *opt, const char *arg, int unset)
{
struct object_id oid;
struct commit *commit;
BUG_ON_OPT_NEG(unset);
if (!arg)
return -1;
if (get_oid(arg, &oid))
return error("malformed object name %s", arg);
commit = lookup_commit_reference(the_repository, &oid);
if (!commit)
return error("no such commit %s", arg);
commit_list_insert(commit, opt->value);
return 0;
}
int parse_opt_commit(const struct option *opt, const char *arg, int unset)
{
struct object_id oid;
struct commit *commit;
struct commit **target = opt->value;
BUG_ON_OPT_NEG(unset);
if (!arg)
return -1;
if (get_oid(arg, &oid))
return error("malformed object name %s", arg);
commit = lookup_commit_reference(the_repository, &oid);
if (!commit)
return error("no such commit %s", arg);
*target = commit;
return 0;
}
int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
{
struct object_id oid;
if (unset) {
oid_array_clear(opt->value);
return 0;
}
if (!arg)
return -1;
if (get_oid(arg, &oid))
return error(_("malformed object name '%s'"), arg);
oid_array_append(opt->value, &oid);
return 0;
}
int parse_opt_object_id(const struct option *opt, const char *arg, int unset)
{
struct object_id oid;
struct object_id *target = opt->value;
if (unset) {
oidcpy(target, null_oid());
return 0;
}
if (!arg)
return -1;
if (get_oid(arg, &oid))
return error(_("malformed object name '%s'"), arg);
*target = oid;
return 0;
}
int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
{
int *target = opt->value;
BUG_ON_OPT_ARG(arg);
*target = unset ? 2 : 1;
return 0;
}
static size_t parse_options_count(const struct option *opt)
{
size_t n = 0;
for (; opt && opt->type != OPTION_END; opt++)
n++;
return n;
}
struct option *parse_options_dup(const struct option *o)
{
struct option no_options[] = { OPT_END() };
return parse_options_concat(o, no_options);
}
struct option *parse_options_concat(const struct option *a,
const struct option *b)
{
struct option *ret;
size_t a_len = parse_options_count(a);
size_t b_len = parse_options_count(b);
ALLOC_ARRAY(ret, st_add3(a_len, b_len, 1));
COPY_ARRAY(ret, a, a_len);
COPY_ARRAY(ret + a_len, b, b_len + 1); /* + 1 for final OPTION_END */
return ret;
}
int parse_opt_string_list(const struct option *opt, const char *arg, int unset)
{
struct string_list *v = opt->value;
if (unset) {
string_list_clear(v, 0);
return 0;
}
if (!arg)
return -1;
string_list_append(v, arg);
return 0;
}
int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset)
{
return 0;
}
/**
* Report that the option is unknown, so that other code can handle
* it. This can be used as a callback together with
* OPTION_LOWLEVEL_CALLBACK to allow an option to be documented in the
* "-h" output even if it's not being handled directly by
* parse_options().
*/
enum parse_opt_result parse_opt_unknown_cb(struct parse_opt_ctx_t *ctx,
const struct option *opt,
const char *arg, int unset)
{
BUG_ON_OPT_ARG(arg);
return PARSE_OPT_UNKNOWN;
}
/**
* Recreates the command-line option in the strbuf.
*/
static int recreate_opt(struct strbuf *sb, const struct option *opt,
const char *arg, int unset)
{
strbuf_reset(sb);
if (opt->long_name) {
strbuf_addstr(sb, unset ? "--no-" : "--");
strbuf_addstr(sb, opt->long_name);
if (arg) {
strbuf_addch(sb, '=');
strbuf_addstr(sb, arg);
}
} else if (opt->short_name && !unset) {
strbuf_addch(sb, '-');
strbuf_addch(sb, opt->short_name);
if (arg)
strbuf_addstr(sb, arg);
} else
return -1;
return 0;
}
/**
* For an option opt, recreates the command-line option in opt->value which
* must be an char* initialized to NULL. This is useful when we need to pass
* the command-line option to another command. Since any previous value will be
* overwritten, this callback should only be used for options where the last
* one wins.
*/
int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
{
static struct strbuf sb = STRBUF_INIT;
char **opt_value = opt->value;
if (recreate_opt(&sb, opt, arg, unset) < 0)
return -1;
free(*opt_value);
*opt_value = strbuf_detach(&sb, NULL);
return 0;
}
/**
* For an option opt, recreate the command-line option, appending it to
* opt->value which must be a strvec. This is useful when we need to pass
* the command-line option, which can be specified multiple times, to another
* command.
*/
int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
{
static struct strbuf sb = STRBUF_INIT;
struct strvec *opt_value = opt->value;
if (recreate_opt(&sb, opt, arg, unset) < 0)
return -1;
strvec_push(opt_value, sb.buf);
return 0;
}
int parse_opt_tracking_mode(const struct option *opt, const char *arg, int unset)
{
if (unset)
*(enum branch_track *)opt->value = BRANCH_TRACK_NEVER;
else if (!arg || !strcmp(arg, "direct"))
*(enum branch_track *)opt->value = BRANCH_TRACK_EXPLICIT;
else if (!strcmp(arg, "inherit"))
*(enum branch_track *)opt->value = BRANCH_TRACK_INHERIT;
else
return error(_("option `%s' expects \"%s\" or \"%s\""),
"--track", "direct", "inherit");
return 0;
}