test_run_rebase failure -i
test_run_rebase failure -p
+# m
+# /
+# a---b---c---g
+#
+# x---y---B
+#
+# uppercase = cherry-picked
+# m = reverted b
+#
+# Reverted patches are there for tests to be able to check if a commit
+# that introduced the same change as another commit is
+# dropped. Without reverted commits, we could get false positives
+# because applying the patch succeeds, but simply results in no
+# changes.
+test_expect_success 'setup of linear history for test involving root' '
+ git checkout b &&
+ revert m b &&
+ git checkout --orphan disjoint &&
+ git rm -rf . &&
+ test_commit x &&
+ test_commit y &&
+ cherry_pick B b
+'
+
+test_run_rebase () {
+ result=$1
+ shift
+ test_expect_$result "rebase $* --onto --root" "
+ reset_rebase &&
+ git rebase $* --onto c --root y &&
+ test_cmp_rev c HEAD~2 &&
+ test_linear_range 'x y' c..
+ "
+}
+test_run_rebase success ''
+test_run_rebase failure -m
+test_run_rebase success -i
+test_run_rebase success -p
+
+test_run_rebase () {
+ result=$1
+ shift
+ test_expect_$result "rebase $* without --onto --root with disjoint history" "
+ reset_rebase &&
+ git rebase $* c y &&
+ test_cmp_rev c HEAD~2 &&
+ test_linear_range 'x y' c..
+ "
+}
+test_run_rebase success ''
+test_run_rebase failure -m
+test_run_rebase success -i
+test_run_rebase failure -p
+
+test_run_rebase () {
+ result=$1
+ shift
+ test_expect_$result "rebase $* --onto --root drops patch in onto" "
+ reset_rebase &&
+ git rebase $* --onto m --root B &&
+ test_cmp_rev m HEAD~2 &&
+ test_linear_range 'x y' m..
+ "
+}
+test_run_rebase success ''
+test_run_rebase failure -m
+test_run_rebase success -i
+test_run_rebase success -p
+
+test_run_rebase () {
+ result=$1
+ shift
+ test_expect_$result "rebase $* --onto --root with merge-base does not go to root" "
+ reset_rebase &&
+ git rebase $* --onto m --root g &&
+ test_cmp_rev m HEAD~2 &&
+ test_linear_range 'c g' m..
+ "
+}
+
+test_run_rebase success ''
+test_run_rebase success -m
+test_run_rebase success -i
+test_run_rebase failure -p
+
+test_run_rebase () {
+ result=$1
+ shift
+ test_expect_$result "rebase $* without --onto --root with disjoint history drops patch in onto" "
+ reset_rebase &&
+ git rebase $* m B &&
+ test_cmp_rev m HEAD~2 &&
+ test_linear_range 'x y' m..
+ "
+}
+test_run_rebase success ''
+test_run_rebase failure -m
+test_run_rebase success -i
+test_run_rebase failure -p
+
+test_run_rebase () {
+ result=$1
+ shift
+ test_expect_$result "rebase $* --root on linear history is a no-op" "
+ reset_rebase &&
+ git rebase $* --root c &&
+ test_cmp_rev c HEAD
+ "
+}
+test_run_rebase failure ''
+test_run_rebase failure -m
+test_run_rebase failure -i
+test_run_rebase failure -p
+
+test_run_rebase () {
+ result=$1
+ shift
+ test_expect_$result "rebase $* -f --root on linear history causes re-write" "
+ reset_rebase &&
+ git rebase $* -f --root c &&
+ ! test_cmp_rev a HEAD~2 &&
+ test_linear_range 'a b c' HEAD
+ "
+}
+test_run_rebase success ''
+test_run_rebase success -m
+test_run_rebase success -i
+test_run_rebase success -p
+
test_done