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tag: use OPT_CMDMODE

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This is just a demonstration of how the code would look like; I do
not think it is particularly easier to read than before myself.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2013-07-30 12:31:27 -07:00
parent 1158826394
commit e6b722db09
1 changed files with 12 additions and 15 deletions
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27
builtin/tag.c
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@ -436,18 +436,18 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
struct ref_lock *lock;
struct create_tag_options opt;
char *cleanup_arg = NULL;
int annotate = 0, force = 0, lines = -1, list = 0,
delete = 0, verify = 0;
int annotate = 0, force = 0, lines = -1;
int cmdmode = 0;
const char *msgfile = NULL, *keyid = NULL;
struct msg_arg msg = { 0, STRBUF_INIT };
struct commit_list *with_commit = NULL;
struct option options[] = {
OPT_BOOLEAN('l', "list", &list, N_("list tag names")),
OPT_CMDMODE('l', "list", &cmdmode, N_("list tag names"), 'l'),
{ OPTION_INTEGER, 'n', NULL, &lines, N_("n"),
N_("print <n> lines of each tag message"),
PARSE_OPT_OPTARG, NULL, 1 },
OPT_BOOLEAN('d', "delete", &delete, N_("delete tags")),
OPT_BOOLEAN('v', "verify", &verify, N_("verify tags")),
OPT_CMDMODE('d', "delete", &cmdmode, N_("delete tags"), 'd'),
OPT_CMDMODE('v', "verify", &cmdmode, N_("verify tags"), 'v'),
OPT_GROUP(N_("Tag creation options")),
OPT_BOOLEAN('a', "annotate", &annotate,
@ -489,22 +489,19 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
}
if (opt.sign)
annotate = 1;
if (argc == 0 && !(delete || verify))
list = 1;
if (argc == 0 && !cmdmode)
cmdmode = 'l';
if ((annotate || msg.given || msgfile || force) &&
(list || delete || verify))
if ((annotate || msg.given || msgfile || force) && (cmdmode != 0))
usage_with_options(git_tag_usage, options);
if (list + delete + verify > 1)
usage_with_options(git_tag_usage, options);
finalize_colopts(&colopts, -1);
if (list && lines != -1) {
if (cmdmode == 'l' && lines != -1) {
if (explicitly_enable_column(colopts))
die(_("--column and -n are incompatible"));
colopts = 0;
}
if (list) {
if (cmdmode == 'l') {
int ret;
if (column_active(colopts)) {
struct column_options copts;
@ -523,9 +520,9 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
die(_("--contains option is only allowed with -l."));
if (points_at.nr)
die(_("--points-at option is only allowed with -l."));
if (delete)
if (cmdmode == 'd')
return for_each_tag_name(argv, delete_tag);
if (verify)
if (cmdmode == 'v')
return for_each_tag_name(argv, verify_tag);
if (msg.given || msgfile) {