Jeff King <peff@xxxxxxxx> writes: > On Tue, Aug 04, 2020 at 08:50:16PM +0300, Sergey Organov wrote: > >> Attached is rather minimal incompatible change to --diff-merges that'd >> allow extensions in the future, to get out of urge for the discussed >> changes. I'm going to follow-up with actual improvements and I'm aware >> it lacks documentation changes. > > Thanks, I like the direction here. Definitely it would need > documentation, but also tests (probably in t4013 alongside the ones my > series added; in fact you'd probably need to adjust my tests for the > non-optional argument). > >> diff --git a/revision.c b/revision.c >> index 669bc856694f..dcdff59bc36a 100644 >> --- a/revision.c >> +++ b/revision.c >> @@ -2323,10 +2323,31 @@ static int handle_revision_opt(struct >> rev_info *revs, int argc, const char **arg >> revs->diff = 1; >> revs->diffopt.flags.recursive = 1; >> revs->diffopt.flags.tree_in_recursive = 1; >> - } else if (!strcmp(arg, "-m") || !strcmp(arg, "--diff-merges")) { >> + } else if ((argcount = parse_long_opt("diff-merges", argv, &optarg))) { >> revs->ignore_merges = 0; >> + if (!strcmp(optarg, "off")) { >> + revs->ignore_merges = 1; >> + } else if (!strcmp(optarg, "all")) { >> + revs->diff = 0; > > Should this be revs->ignore_merges = 0? It's 4 lines above, as it's in fact common for all the cases but the first one. -- Sergey