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range-diff: use parse_options() instead of diff_opt_parse() 

Diff's internal option parsing is now done with 'struct option', which
makes it possible to combine all diff options to range-diff and parse
everything all at once. Parsing code becomes simpler, and we get a
looong 'git range-diff -h'

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 15:20:12 +07:00 committed by Junio C Hamano
parent bb9872904e
commit c380a48c8b
1 changed files with 7 additions and 21 deletions
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28
builtin/range-diff.c
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@ -16,42 +16,27 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
int creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT;
struct diff_options diffopt = { NULL };
int simple_color = -1;
struct option options[] = {
struct option range_diff_options[] = {
OPT_INTEGER(0, "creation-factor", &creation_factor,
N_("Percentage by which creation is weighted")),
OPT_BOOL(0, "no-dual-color", &simple_color,
N_("use simple diff colors")),
OPT_END()
};
int i, j, res = 0;
struct option *options;
int res = 0;
struct strbuf range1 = STRBUF_INIT, range2 = STRBUF_INIT;
git_config(git_diff_ui_config, NULL);
repo_diff_setup(the_repository, &diffopt);
options = parse_options_concat(range_diff_options, diffopt.parseopts);
argc = parse_options(argc, argv, NULL, options,
builtin_range_diff_usage, PARSE_OPT_KEEP_UNKNOWN |
PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
for (i = j = 1; i < argc && strcmp("--", argv[i]); ) {
int c = diff_opt_parse(&diffopt, argv + i, argc - i, prefix);
if (!c)
argv[j++] = argv[i++];
else
i += c;
}
while (i < argc)
argv[j++] = argv[i++];
argc = j;
diff_setup_done(&diffopt);
/* Make sure that there are no unparsed options */
argc = parse_options(argc, argv, NULL,
options + ARRAY_SIZE(options) - 1, /* OPT_END */
builtin_range_diff_usage, 0);
diff_setup_done(&diffopt);
/* force color when --dual-color was used */
if (!simple_color)
diffopt.use_color = 1;
@ -90,6 +75,7 @@ int cmd_range_diff(int argc, const char **argv, const char *prefix)
error(_("need two commit ranges"));
usage_with_options(builtin_range_diff_usage, options);
}
FREE_AND_NULL(options);
res = show_range_diff(range1.buf, range2.buf, creation_factor,
simple_color < 1, &diffopt);