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diff: use skip_to_optional_arg()

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Let's simplify diff option parsing using skip_to_optional_arg().

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2017-12-09 21:40:09 +01:00 committed by Junio C Hamano
parent 72885a6d51
commit 948cbe6703
1 changed files with 9 additions and 14 deletions
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23
diff.c
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@ -4508,17 +4508,12 @@ int diff_opt_parse(struct diff_options *options,
options->output_format |= DIFF_FORMAT_NUMSTAT;
else if (!strcmp(arg, "--shortstat"))
options->output_format |= DIFF_FORMAT_SHORTSTAT;
else if (!strcmp(arg, "-X") || !strcmp(arg, "--dirstat"))
return parse_dirstat_opt(options, "");
else if (skip_prefix(arg, "-X", &arg))
return parse_dirstat_opt(options, arg);
else if (skip_prefix(arg, "--dirstat=", &arg))
else if (skip_prefix(arg, "-X", &arg) ||
skip_to_optional_arg(arg, "--dirstat", &arg))
return parse_dirstat_opt(options, arg);
else if (!strcmp(arg, "--cumulative"))
return parse_dirstat_opt(options, "cumulative");
else if (!strcmp(arg, "--dirstat-by-file"))
return parse_dirstat_opt(options, "files");
else if (skip_prefix(arg, "--dirstat-by-file=", &arg)) {
else if (skip_to_optional_arg(arg, "--dirstat-by-file", &arg)) {
parse_dirstat_opt(options, "files");
return parse_dirstat_opt(options, arg);
}
@ -4540,13 +4535,13 @@ int diff_opt_parse(struct diff_options *options,
return stat_opt(options, av);
/* renames options */
else if (starts_with(arg, "-B") || starts_with(arg, "--break-rewrites=") ||
!strcmp(arg, "--break-rewrites")) {
else if (starts_with(arg, "-B") ||
skip_to_optional_arg(arg, "--break-rewrites", NULL)) {
if ((options->break_opt = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -B: %s", arg+2);
}
else if (starts_with(arg, "-M") || starts_with(arg, "--find-renames=") ||
!strcmp(arg, "--find-renames")) {
else if (starts_with(arg, "-M") ||
skip_to_optional_arg(arg, "--find-renames", NULL)) {
if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
return error("invalid argument to -M: %s", arg+2);
options->detect_rename = DIFF_DETECT_RENAME;
@ -4554,8 +4549,8 @@ int diff_opt_parse(struct diff_options *options,
else if (!strcmp(arg, "-D") || !strcmp(arg, "--irreversible-delete")) {
options->irreversible_delete = 1;
}
else if (starts_with(arg, "-C") || starts_with(arg, "--find-copies=") ||
!strcmp(arg, "--find-copies")) {
else 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)