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diff --no-index: use parse_options() instead of diff_opt_parse()

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While at there, move exit() back to the caller. It's easier to see the
flow that way than burying it in diff-no-index.c

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
2019-03-24 15:20:13 +07:00
committed by Junio C Hamano
parent c380a48c8b
commit 16bb3d714d
4 changed files with 35 additions and 41 deletions
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49
diff-no-index.c
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@ -14,6 +14,7 @@
#include "revision.h"
#include "log-tree.h"
#include "builtin.h"
#include "parse-options.h"
#include "string-list.h"
#include "dir.h"
@ -233,35 +234,43 @@ static void fixup_paths(const char **path, struct strbuf *replacement)
}
}
void diff_no_index(struct repository *r,
struct rev_info *revs,
int argc, const char **argv)
static const char * const diff_no_index_usage[] = {
N_("git diff --no-index [<options>] <path> <path>"),
NULL
};
int diff_no_index(struct repository *r,
struct rev_info *revs,
int implicit_no_index,
int argc, const char **argv)
{
int i;
int i, no_index;
const char *paths[2];
struct strbuf replacement = STRBUF_INIT;
const char *prefix = revs->prefix;
struct option no_index_options[] = {
OPT_BOOL_F(0, "no-index", &no_index, "",
PARSE_OPT_NONEG | PARSE_OPT_HIDDEN),
OPT_END(),
};
struct option *options;
/*
* FIXME: --no-index should not look at index and we should be
* able to pass NULL repo. Maybe later.
*/
repo_diff_setup(r, &revs->diffopt);
for (i = 1; i < argc - 2; ) {
int j;
if (!strcmp(argv[i], "--no-index"))
i++;
else if (!strcmp(argv[i], "--"))
i++;
else {
j = diff_opt_parse(&revs->diffopt, argv + i, argc - i,
revs->prefix);
if (j <= 0)
die("invalid diff option/value: %s", argv[i]);
i += j;
}
options = parse_options_concat(no_index_options,
revs->diffopt.parseopts);
argc = parse_options(argc, argv, revs->prefix, options,
diff_no_index_usage, 0);
if (argc != 2) {
if (implicit_no_index)
warning(_("Not a git repository. Use --no-index to "
"compare two paths outside a working tree"));
usage_with_options(diff_no_index_usage, options);
}
FREE_AND_NULL(options);
for (i = 0; i < 2; i++) {
const char *p = argv[argc - 2 + i];
if (!strcmp(p, "-"))
@ -293,7 +302,7 @@ void diff_no_index(struct repository *r,
revs->diffopt.flags.exit_with_status = 1;
if (queue_diff(&revs->diffopt, paths[0], paths[1]))
exit(1);
return 1;
diff_set_mnemonic_prefix(&revs->diffopt, "1/", "2/");
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
@ -304,5 +313,5 @@ void diff_no_index(struct repository *r,
* The return code for --no-index imitates diff(1):
* 0 = no changes, 1 = changes, else error
*/
exit(diff_result_code(&revs->diffopt, 0));
return diff_result_code(&revs->diffopt, 0);
}