diff-merges: make -m/-c/--cc explicitly mutually exclusive

-c/--cc got precedence over -m only because of external logic where corresponding flags are checked before that for -m. This is too error-prone, so add code that explicitly makes these 3 options mutually exclusive, so that the last option specified on the command-line gets precedence. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Sergey Organov committed Dec 21, 2020 at 18:19 UTC 255a4dacc59f4f4f62cc61743f40a078b4b38647
1 file changed +3
diff-merges.c
+3
index b8fd92adcf..e3c0190ebd 100644 --- a/diff-merges.c +++ b/diff-merges.c @@ -8,6 +8,7 @@ static void suppress(struct rev_info *revs) revs->first_parent_merges = 0; revs->combine_merges = 0; revs->dense_combined_merges = 0; + revs->combined_all_paths = 0; } static void set_separate(struct rev_info *revs) @@ -29,12 +30,14 @@ static void set_m(struct rev_info *revs) static void set_combined(struct rev_info *revs) { + suppress(revs); revs->combine_merges = 1; revs->dense_combined_merges = 0; } static void set_dense_combined(struct rev_info *revs) { + suppress(revs); revs->combine_merges = 1; revs->dense_combined_merges = 1; }