commit dcd455ee64953215a90ed4427762b5566d7e0047
from: James Cook <falsifian@falsifian.org>
via: Thomas Adam <thomas@xteddy.org>
date: Wed Jul 05 15:54:47 2023 UTC

fix option processing for 'got merge'

Don't make -C imply -c (a break statement was missing). Detect -an and
-cn conflicts. Simplify by removing unneeded check for conflicting -aC
(since -C requires -c, we can rely on the -ac conflict being detected).
Update the man page to say -cC is allowed.

commit - 31009ade0db15d36e637f180ba64b28110b25208
commit + dcd455ee64953215a90ed4427762b5566d7e0047
blob - 234d94604d5296c784792c130bb88dd64b8393bb
blob + 231499e9b3d7e9b5a4b16e309d923b73bc5fd97d
--- got/got.1
+++ got/got.1
@@ -2939,7 +2939,8 @@ This option should generally be avoided, and can only 
 option.
 .It Fl c
 Continue an interrupted merge operation.
-If this option is used, no other command-line arguments are allowed.
+If this option is used, no other command-line arguments are allowed except
+.Fl C .
 .It Fl M
 Create a merge commit even if the branches have not diverged.
 .It Fl n
blob - 84ed6b2a683960e7e435230c029073ac43e8965a
blob + 0526c8c106c6401b581265328acbb5f43b0a01c5
--- got/got.c
+++ got/got.c
@@ -13164,6 +13164,7 @@ cmd_merge(int argc, char *argv[])
 			break;
 		case 'C':
 			allow_conflict = 1;
+			break;
 		case 'c':
 			continue_merge = 1;
 			break;
@@ -13182,18 +13183,23 @@ cmd_merge(int argc, char *argv[])
 	argc -= optind;
 	argv += optind;
 
+	if (abort_merge) {
+		if (continue_merge)
+			option_conflict('a', 'c');
+		if (!prefer_fast_forward)
+			option_conflict('a', 'M');
+		if (interrupt_merge)
+			option_conflict('a', 'n');
+	} else if (continue_merge) {
+		if (!prefer_fast_forward)
+			option_conflict('c', 'M');
+		if (interrupt_merge)
+			option_conflict('c', 'n');
+	}
 	if (allow_conflict) {
-		if (abort_merge)
-			option_conflict('a', 'C');
 		if (!continue_merge)
 			errx(1, "-C option requires -c");
 	}
-	if (abort_merge && continue_merge)
-		option_conflict('a', 'c');
-	if (abort_merge && !prefer_fast_forward)
-		option_conflict('a', 'M');
-	if (continue_merge && !prefer_fast_forward)
-		option_conflict('c', 'M');
 	if (abort_merge || continue_merge) {
 		if (argc != 0)
 			usage_merge();