1 files changed, 146 insertions, 0 deletions
diff --git a/t/t3422-rebase-incompatible-options.sh b/t/t3422-rebase-incompatible-options.sh
new file mode 100755
index 0000000..2eba00b
--- /dev/null
+++ b/t/t3422-rebase-incompatible-options.sh
@@ -0,0 +1,146 @@
+#!/bin/sh
+
+test_description='test if rebase detects and aborts on incompatible options'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+	test_seq 2 9 >foo &&
+	git add foo &&
+	git commit -m orig &&
+
+	git branch A &&
+	git branch B &&
+
+	git checkout A &&
+	test_seq 1 9 >foo &&
+	git add foo &&
+	git commit -m A &&
+
+	git checkout B &&
+	echo "q qfoo();" | q_to_tab >>foo &&
+	git add foo &&
+	git commit -m B
+'
+
+#
+# Rebase has a couple options which are specific to the apply backend,
+# and several options which are specific to the merge backend.  Flags
+# from the different sets cannot work together, and we do not want to
+# just ignore one of the sets of flags.  Make sure rebase warns the
+# user and aborts instead.
+#
+
+test_rebase_am_only () {
+	opt=$1
+	shift
+	test_expect_success "$opt incompatible with --merge" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --merge A
+	"
+
+	test_expect_success "$opt incompatible with --strategy=ours" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --strategy=ours A
+	"
+
+	test_expect_success "$opt incompatible with --strategy-option=ours" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --strategy-option=ours A
+	"
+
+	test_expect_success "$opt incompatible with --autosquash" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --autosquash A
+	"
+
+	test_expect_success "$opt incompatible with --interactive" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --interactive A
+	"
+
+	test_expect_success "$opt incompatible with --exec" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --exec 'true' A
+	"
+
+	test_expect_success "$opt incompatible with --keep-empty" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --keep-empty A
+	"
+
+	test_expect_success "$opt incompatible with --empty=..." "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --empty=ask A
+	"
+
+	test_expect_success "$opt incompatible with --no-reapply-cherry-picks" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --no-reapply-cherry-picks A
+	"
+
+	test_expect_success "$opt incompatible with --reapply-cherry-picks" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --reapply-cherry-picks A
+	"
+
+	test_expect_success "$opt incompatible with --rebase-merges" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --rebase-merges A
+	"
+
+	test_expect_success "$opt incompatible with --update-refs" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --update-refs A
+	"
+
+	test_expect_success "$opt incompatible with --root without --onto" "
+		git checkout B^0 &&
+		test_must_fail git rebase $opt --root A
+	"
+
+	test_expect_success "$opt incompatible with rebase.autosquash" "
+		git checkout B^0 &&
+		test_must_fail git -c rebase.autosquash=true rebase $opt A 2>err &&
+		grep -e --no-autosquash err
+	"
+
+	test_expect_success "$opt incompatible with rebase.rebaseMerges" "
+		git checkout B^0 &&
+		test_must_fail git -c rebase.rebaseMerges=true rebase $opt A 2>err &&
+		grep -e --no-rebase-merges err
+	"
+
+	test_expect_success "$opt incompatible with rebase.updateRefs" "
+		git checkout B^0 &&
+		test_must_fail git -c rebase.updateRefs=true rebase $opt A 2>err &&
+		grep -e --no-update-refs err
+	"
+
+	test_expect_success "$opt okay with overridden rebase.autosquash" "
+		test_when_finished \"git reset --hard B^0\" &&
+		git checkout B^0 &&
+		git -c rebase.autosquash=true rebase --no-autosquash $opt A
+	"
+
+	test_expect_success "$opt okay with overridden rebase.rebaseMerges" "
+		test_when_finished \"git reset --hard B^0\" &&
+		git checkout B^0 &&
+		git -c rebase.rebaseMerges=true rebase --no-rebase-merges $opt A
+	"
+
+	test_expect_success "$opt okay with overridden rebase.updateRefs" "
+		test_when_finished \"git reset --hard B^0\" &&
+		git checkout B^0 &&
+		git -c rebase.updateRefs=true rebase --no-update-refs $opt A
+	"
+}
+
+# Check options which imply --apply
+test_rebase_am_only --whitespace=fix
+test_rebase_am_only -C4
+# Also check an explicit --apply
+test_rebase_am_only --apply
+
+test_done