development/git
development/git
1
0
Fork 0
mirror of https://github.com/git/git synced 2024-10-01 06:05:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

diff-parseopt: convert -C|--find-copies

Browse source 
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 2019-02-21 18:16:16 +07:00 committed by Junio C Hamano
parent 1e5332968a
commit 7f64850d36
1 changed files with 25 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
diff.c
View file

@ -4617,8 +4617,6 @@ static int opt_arg(const char *arg, int arg_short, const char *arg_long, int *va
return 1;
}
static int diff_scoreopt_parse(const char *opt);
static inline int short_opt(char opt, const char **argv,
const char **optarg)
{
@ -4909,6 +4907,26 @@ static int diff_opt_dirstat(const struct option *opt,
return 0;
}
static int diff_opt_find_copies(const struct option *opt,
const char *arg, int unset)
{
struct diff_options *options = opt->value;
BUG_ON_OPT_NEG(unset);
if (!arg)
arg = "";
options->rename_score = parse_rename_score(&arg);
if (*arg != 0)
return error(_("invalid argument to %s"), opt->long_name);
if (options->detect_rename == DIFF_DETECT_COPY)
options->flags.find_copies_harder = 1;
else
options->detect_rename = DIFF_DETECT_COPY;
return 0;
}
static int diff_opt_find_renames(const struct option *opt,
const char *arg, int unset)
{
@ -5063,6 +5081,10 @@ static void prep_parse_options(struct diff_options *options)
OPT_SET_INT_F('D', "irreversible-delete", &options->irreversible_delete,
N_("omit the preimage for deletes"),
1, PARSE_OPT_NONEG),
OPT_CALLBACK_F('C', "find-copies", options, N_("<n>"),
N_("detect copies"),
PARSE_OPT_NONEG | PARSE_OPT_OPTARG,
diff_opt_find_copies),
OPT_GROUP(N_("Diff other options")),
{ OPTION_CALLBACK, 0, "output", options, N_("<file>"),
@ -5097,15 +5119,7 @@ int diff_opt_parse(struct diff_options *options,
return ac;
/* renames options */
if (starts_with(arg, "-C") ||
skip_to_optional_arg(arg, "--find-copies", NULL)) {
if (options->detect_rename == DIFF_DETECT_COPY)
options->flags.find_copies_harder = 1;
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -C: %s", arg+2);
options->detect_rename = DIFF_DETECT_COPY;
}
else if (!strcmp(arg, "--no-renames"))
if (!strcmp(arg, "--no-renames"))
options->detect_rename = 0;
else if (!strcmp(arg, "--rename-empty"))
options->flags.rename_empty = 1;
@ -5365,29 +5379,6 @@ int parse_rename_score(const char **cp_p)
return (int)((num >= scale) ? MAX_SCORE : (MAX_SCORE * num / scale));
}
static int diff_scoreopt_parse(const char *opt)
{
int opt1, cmd;
if (*opt++ != '-')
return -1;
cmd = *opt++;
if (cmd == '-') {
/* convert the long-form arguments into short-form versions */
if (skip_prefix(opt, "find-copies", &opt)) {
if (*opt == 0 || *opt++ == '=')
cmd = 'C';
}
}
if (cmd != 'C')
return -1; /* that is not a -M option */
opt1 = parse_rename_score(&opt);
if (*opt != 0)
return -1;
return opt1;
}
struct diff_queue_struct diff_queued_diff;
void diff_q(struct diff_queue_struct *queue, struct diff_filepair *dp)