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diff-parseopt: convert --word-diff

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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 19:30:18 +07:00 committed by Junio C Hamano
parent 8b81c26e5c
commit e9fb39b668
1 changed files with 29 additions and 18 deletions
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47
diff.c
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@ -5066,6 +5066,32 @@ static int diff_opt_unified(const struct option *opt,
return 0;
}
static int diff_opt_word_diff(const struct option *opt,
const char *arg, int unset)
{
struct diff_options *options = opt->value;
BUG_ON_OPT_NEG(unset);
if (arg) {
if (!strcmp(arg, "plain"))
options->word_diff = DIFF_WORDS_PLAIN;
else if (!strcmp(arg, "color")) {
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
}
else if (!strcmp(arg, "porcelain"))
options->word_diff = DIFF_WORDS_PORCELAIN;
else if (!strcmp(arg, "none"))
options->word_diff = DIFF_WORDS_NONE;
else
return error(_("bad --word-diff argument: %s"), arg);
} else {
if (options->word_diff == DIFF_WORDS_NONE)
options->word_diff = DIFF_WORDS_PLAIN;
}
return 0;
}
static void prep_parse_options(struct diff_options *options)
{
struct option parseopts[] = {
@ -5228,6 +5254,9 @@ static void prep_parse_options(struct diff_options *options)
OPT_CALLBACK_F(0, "anchored", options, N_("<text>"),
N_("generate diff using the \"anchored diff\" algorithm"),
PARSE_OPT_NONEG, diff_opt_anchored),
OPT_CALLBACK_F(0, "word-diff", options, N_("<mode>"),
N_("show word diff, using <mode> to delimit changed words"),
PARSE_OPT_NONEG | PARSE_OPT_OPTARG, diff_opt_word_diff),
OPT_GROUP(N_("Diff other options")),
OPT_CALLBACK_F(0, "relative", options, N_("<prefix>"),
@ -5291,24 +5320,6 @@ int diff_opt_parse(struct diff_options *options,
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
}
else if (!strcmp(arg, "--word-diff")) {
if (options->word_diff == DIFF_WORDS_NONE)
options->word_diff = DIFF_WORDS_PLAIN;
}
else if (skip_prefix(arg, "--word-diff=", &arg)) {
if (!strcmp(arg, "plain"))
options->word_diff = DIFF_WORDS_PLAIN;
else if (!strcmp(arg, "color")) {
options->use_color = 1;
options->word_diff = DIFF_WORDS_COLOR;
}
else if (!strcmp(arg, "porcelain"))
options->word_diff = DIFF_WORDS_PORCELAIN;
else if (!strcmp(arg, "none"))
options->word_diff = DIFF_WORDS_NONE;
else
die("bad --word-diff argument: %s", arg);
}
else if ((argcount = parse_long_opt("word-diff-regex", av, &optarg))) {
if (options->word_diff == DIFF_WORDS_NONE)
options->word_diff = DIFF_WORDS_PLAIN;