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checkout: split options[] array in three pieces

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This is a preparation step for introducing new commands that do parts
of what checkout does. There will be two new commands, one is about
switching branches, detaching HEAD... one about checking out
paths. These share the a subset of command line options. The rest of
command line options are separate.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2019-03-29 17:39:04 +07:00
committed by Junio C Hamano
parent 55cf704a9d
commit 2087182272
3 changed files with 77 additions and 23 deletions
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17
parse-options-cb.c
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@ -122,6 +122,23 @@ int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
return 0;
}
struct option *parse_options_dup(const struct option *o)
{
struct option *opts;
int nr = 0;
while (o && o->type != OPTION_END) {
nr++;
o++;
}
ALLOC_ARRAY(opts, nr + 1);
memcpy(opts, o - nr, sizeof(*o) * nr);
memset(opts + nr, 0, sizeof(*opts));
opts[nr].type = OPTION_END;
return opts;
}
struct option *parse_options_concat(struct option *a, struct option *b)
{
struct option *ret;