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builtin/multi-pack-index.c: let parse-options parse subcommands

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'git multi-pack-index' parses its subcommands with a couple of if-else
if statements.  parse-options has just learned to parse subcommands,
so let's use that facility instead, with the benefits of shorter code,
handling missing or unknown subcommands, and listing subcommands for
Bash completion.

Note that the functions implementing each subcommand only accept the
'argc' and '**argv' parameters, so add a (unused) '*prefix' parameter
to make them match the type expected by parse-options, and thus avoid
casting function pointers.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
SZEDER Gábor 2022-08-19 18:04:05 +02:00 committed by Junio C Hamano
parent f83736ce9d
commit bf0a6b65fc
1 changed files with 21 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
builtin/multi-pack-index.c
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@ -104,7 +104,8 @@ static void read_packs_from_stdin(struct string_list *to)
strbuf_release(&buf);
}
static int cmd_multi_pack_index_write(int argc, const char **argv)
static int cmd_multi_pack_index_write(int argc, const char **argv,
const char *prefix)
{
struct option *options;
static struct option builtin_multi_pack_index_write_options[] = {
@ -160,7 +161,8 @@ static int cmd_multi_pack_index_write(int argc, const char **argv)
opts.refs_snapshot, opts.flags);
}
static int cmd_multi_pack_index_verify(int argc, const char **argv)
static int cmd_multi_pack_index_verify(int argc, const char **argv,
const char *prefix)
{
struct option *options;
static struct option builtin_multi_pack_index_verify_options[] = {
@ -186,7 +188,8 @@ static int cmd_multi_pack_index_verify(int argc, const char **argv)
return verify_midx_file(the_repository, opts.object_dir, opts.flags);
}
static int cmd_multi_pack_index_expire(int argc, const char **argv)
static int cmd_multi_pack_index_expire(int argc, const char **argv,
const char *prefix)
{
struct option *options;
static struct option builtin_multi_pack_index_expire_options[] = {
@ -212,7 +215,8 @@ static int cmd_multi_pack_index_expire(int argc, const char **argv)
return expire_midx_packs(the_repository, opts.object_dir, opts.flags);
}
static int cmd_multi_pack_index_repack(int argc, const char **argv)
static int cmd_multi_pack_index_repack(int argc, const char **argv,
const char *prefix)
{
struct option *options;
static struct option builtin_multi_pack_index_repack_options[] = {
@ -247,7 +251,15 @@ int cmd_multi_pack_index(int argc, const char **argv,
const char *prefix)
{
int res;
struct option *builtin_multi_pack_index_options = common_opts;
parse_opt_subcommand_fn *fn = NULL;
struct option builtin_multi_pack_index_options[] = {
OPT_SUBCOMMAND("repack", &fn, cmd_multi_pack_index_repack),
OPT_SUBCOMMAND("write", &fn, cmd_multi_pack_index_write),
OPT_SUBCOMMAND("verify", &fn, cmd_multi_pack_index_verify),
OPT_SUBCOMMAND("expire", &fn, cmd_multi_pack_index_expire),
OPT_END(),
};
struct option *options = parse_options_concat(builtin_multi_pack_index_options, common_opts);
git_config(git_default_config, NULL);
@ -256,31 +268,12 @@ int cmd_multi_pack_index(int argc, const char **argv,
the_repository->objects->odb)
opts.object_dir = xstrdup(the_repository->objects->odb->path);
argc = parse_options(argc, argv, prefix,
builtin_multi_pack_index_options,
builtin_multi_pack_index_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
argc = parse_options(argc, argv, prefix, options,
builtin_multi_pack_index_usage, 0);
FREE_AND_NULL(options);
if (!argc)
goto usage;
if (!strcmp(argv[0], "repack"))
res = cmd_multi_pack_index_repack(argc, argv);
else if (!strcmp(argv[0], "write"))
res = cmd_multi_pack_index_write(argc, argv);
else if (!strcmp(argv[0], "verify"))
res = cmd_multi_pack_index_verify(argc, argv);
else if (!strcmp(argv[0], "expire"))
res = cmd_multi_pack_index_expire(argc, argv);
else {
error(_("unrecognized subcommand: %s"), argv[0]);
goto usage;
}
res = fn(argc, argv, prefix);
free(opts.object_dir);
return res;
usage:
usage_with_options(builtin_multi_pack_index_usage,
builtin_multi_pack_index_options);
}