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merge: make xopts a strvec

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The "xopts" variable uses a custom array with ALLOC_GROW(). Using a
strvec simplifies things a bit. We need fewer variables, and we can also
ditch our custom parseopt callback in favor of OPT_STRVEC().

As a bonus, this means that "--no-strategy-option", which was previously
a silent noop, now does something useful: like other list-like options,
it will clear the list of -X options seen so far. This matches the
behavior of revert/cherry-pick, which made the same change in fb60b9f37f
(sequencer: use struct strvec to store merge strategy options,
2023-04-10).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2023-08-31 17:17:11 -04:00 committed by Junio C Hamano
parent 6e8611e90a
commit dee02da826
1 changed files with 7 additions and 19 deletions
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26
builtin/merge.c
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@ -79,8 +79,7 @@ static int overwrite_ignore = 1;
static struct strbuf merge_msg = STRBUF_INIT;
static struct strategy **use_strategies;
static size_t use_strategies_nr, use_strategies_alloc;
static const char **xopts;
static size_t xopts_nr, xopts_alloc;
static struct strvec xopts = STRVEC_INIT;
static const char *branch;
static char *branch_mergeoptions;
static int verbosity;
@ -242,17 +241,6 @@ static int option_parse_strategy(const struct option *opt,
return 0;
}
static int option_parse_x(const struct option *opt,
const char *arg, int unset)
{
if (unset)
return 0;
ALLOC_GROW(xopts, xopts_nr + 1, xopts_alloc);
xopts[xopts_nr++] = xstrdup(arg);
return 0;
}
static int option_parse_n(const struct option *opt,
const char *arg, int unset)
{
@ -287,8 +275,8 @@ static struct option builtin_merge_options[] = {
N_("verify that the named commit has a valid GPG signature")),
OPT_CALLBACK('s', "strategy", &use_strategies, N_("strategy"),
N_("merge strategy to use"), option_parse_strategy),
OPT_CALLBACK('X', "strategy-option", &xopts, N_("option=value"),
N_("option for selected merge strategy"), option_parse_x),
OPT_STRVEC('X', "strategy-option", &xopts, N_("option=value"),
N_("option for selected merge strategy")),
OPT_CALLBACK('m', "message", &merge_msg, N_("message"),
N_("merge commit message (for a non-fast-forward merge)"),
option_parse_message),
@ -749,9 +737,9 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
o.show_rename_progress =
show_progress == -1 ? isatty(2) : show_progress;
for (x = 0; x < xopts_nr; x++)
if (parse_merge_opt(&o, xopts[x]))
die(_("unknown strategy option: -X%s"), xopts[x]);
for (x = 0; x < xopts.nr; x++)
if (parse_merge_opt(&o, xopts.v[x]))
die(_("unknown strategy option: -X%s"), xopts.v[x]);
o.branch1 = head_arg;
o.branch2 = merge_remote_util(remoteheads->item)->name;
@ -777,7 +765,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
return clean ? 0 : 1;
} else {
return try_merge_command(the_repository,
strategy, xopts_nr, xopts,
strategy, xopts.nr, xopts.v,
common, head_arg, remoteheads);
}
}