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diff-parseopt: convert --[no-]follow

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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 2019-03-05 19:30:16 +07:00 committed by Junio C Hamano
parent 4f99f29905
commit 1e9250b5aa
1 changed files with 19 additions and 6 deletions
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25
diff.c
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@ -4986,6 +4986,21 @@ static int diff_opt_find_renames(const struct option *opt,
return 0;
}
static int diff_opt_follow(const struct option *opt,
const char *arg, int unset)
{
struct diff_options *options = opt->value;
BUG_ON_OPT_ARG(arg);
if (unset) {
options->flags.follow_renames = 0;
options->flags.default_follow_renames = 0;
} else {
options->flags.follow_renames = 1;
}
return 0;
}
static enum parse_opt_result diff_opt_output(struct parse_opt_ctx_t *ctx,
const struct option *opt,
const char *arg, int unset)
@ -5172,6 +5187,9 @@ static void prep_parse_options(struct diff_options *options)
0, PARSE_OPT_NONEG),
OPT_BOOL(0, "rename-empty", &options->flags.rename_empty,
N_("use empty blobs as rename source")),
OPT_CALLBACK_F(0, "follow", options, NULL,
N_("continue listing the history of a file beyond renames"),
PARSE_OPT_NOARG, diff_opt_follow),
OPT_GROUP(N_("Diff algorithm options")),
OPT_BIT(0, "minimal", &options->xdl_opts,
@ -5250,12 +5268,7 @@ int diff_opt_parse(struct diff_options *options,
return ac;
/* flags options */
if (!strcmp(arg, "--follow"))
options->flags.follow_renames = 1;
else if (!strcmp(arg, "--no-follow")) {
options->flags.follow_renames = 0;
options->flags.default_follow_renames = 0;
} else if (skip_to_optional_arg_default(arg, "--color", &arg, "always")) {
if (skip_to_optional_arg_default(arg, "--color", &arg, "always")) {
int value = git_config_colorbool(NULL, arg);
if (value < 0)
return error("option `color' expects \"always\", \"auto\", or \"never\"");