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diff-index: restore -c/--cc options handling

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This fixes 19b2517f (diff-merges: move specific diff-index "-m"
handling to diff-index, 2021-05-21).

That commit disabled handling of all diff for merges options in
diff-index on an assumption that they are unused. However, it later
appeared that -c and --cc, even though undocumented and not being
covered by tests, happen to have had particular effect on diff-index
output.

Restore original -c/--cc options handling by diff-index.

Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Sergey Organov
2021-09-01 19:52:20 +03:00
committed by Junio C Hamano
parent 225bc32a98
commit 5acffd3473
3 changed files with 8 additions and 14 deletions
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14
diff-merges.c
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@ -6,7 +6,7 @@ typedef void (*diff_merges_setup_func_t)(struct rev_info *);
static void set_separate(struct rev_info *revs);
static diff_merges_setup_func_t set_to_default = set_separate;
static int suppress_parsing;
static int suppress_m_parsing;
static void suppress(struct rev_info *revs)
{
@ -91,9 +91,9 @@ int diff_merges_config(const char *value)
return 0;
}
void diff_merges_suppress_options_parsing(void)
void diff_merges_suppress_m_parsing(void)
{
suppress_parsing = 1;
suppress_m_parsing = 1;
}
int diff_merges_parse_opts(struct rev_info *revs, const char **argv)
@ -102,10 +102,7 @@ int diff_merges_parse_opts(struct rev_info *revs, const char **argv)
const char *optarg;
const char *arg = argv[0];
if (suppress_parsing)
return 0;
if (!strcmp(arg, "-m")) {
if (!suppress_m_parsing && !strcmp(arg, "-m")) {
set_to_default(revs);
} else if (!strcmp(arg, "-c")) {
set_combined(revs);
@ -153,9 +150,6 @@ void diff_merges_set_dense_combined_if_unset(struct rev_info *revs)
void diff_merges_setup_revs(struct rev_info *revs)
{
if (suppress_parsing)
return;
if (revs->combine_merges == 0)
revs->dense_combined_merges = 0;
if (revs->separate_merges == 0)