diff-parseopt: convert --anchored

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nguyễn Thái Ngọc Duy committed Mar 5, 2019 at 19:30 UTC df84a436270ff44d32c085976bea17175aa7077b
1 file changed +17 -9
diff.c
+17 -9
@@ -4839,6 +4839,19 @@ static int parse_objfind_opt(struct diff_options *opt, const char *arg)
4839 return 1;
4840 }
4841
4842 +static int diff_opt_anchored(const struct option *opt,
4843 + const char *arg, int unset)
4844 +{
4845 + struct diff_options *options = opt->value;
4846 +
4847 + BUG_ON_OPT_NEG(unset);
4848 + options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
4849 + ALLOC_GROW(options->anchors, options->anchors_nr + 1,
4850 + options->anchors_alloc);
4851 + options->anchors[options->anchors_nr++] = xstrdup(arg);
4852 + return 0;
4853 +}
4854 +
4855 static int diff_opt_break_rewrites(const struct option *opt,
4856 const char *arg, int unset)
4857 {
@@ -5175,6 +5188,9 @@ static void prep_parse_options(struct diff_options *options)
5188 OPT_CALLBACK_F(0, "diff-algorithm", options, N_("<algorithm>"),
5189 N_("choose a diff algorithm"),
5190 PARSE_OPT_NONEG, diff_opt_diff_algorithm),
5191 + OPT_CALLBACK_F(0, "anchored", options, N_("<text>"),
5192 + N_("generate diff using the \"anchored diff\" algorithm"),
5193 + PARSE_OPT_NONEG, diff_opt_anchored),
5194
5195 OPT_GROUP(N_("Diff other options")),
5196 OPT_CALLBACK_F(0, "relative", options, N_("<prefix>"),
@@ -5212,16 +5228,8 @@ int diff_opt_parse(struct diff_options *options,
5228 if (ac)
5229 return ac;
5230
5215 - /* xdiff options */
5216 - if (skip_prefix(arg, "--anchored=", &arg)) {
5217 - options->xdl_opts = DIFF_WITH_ALG(options, PATIENCE_DIFF);
5218 - ALLOC_GROW(options->anchors, options->anchors_nr + 1,
5219 - options->anchors_alloc);
5220 - options->anchors[options->anchors_nr++] = xstrdup(arg);
5221 - }
5222 -
5231 /* flags options */
5224 - else if (!strcmp(arg, "--binary")) {
5232 + if (!strcmp(arg, "--binary")) {
5233 enable_patch_output(&options->output_format);
5234 options->flags.binary = 1;
5235 }