submodule--helper: teach push-check to handle HEAD

diff --git a/t/t5531-deep-submodule-push.sh b/t/t5531-deep-submodule-push.sh
index 57ba3226288cadbbe8af569d13217f5b2c17af90..9e4410bd379283636c921b336b2a64109e5a4075 100755 (executable)
--- a/t/t5531-deep-submodule-push.sh
+++ b/t/t5531-deep-submodule-push.sh
@@ -512,7 +512,8 @@ test_expect_success 'push propagating refspec to a submodule' '
        # Fails when refspec includes an object id
        test_must_fail git -C work push --recurse-submodules=on-demand origin \
                "$(git -C work rev-parse branch2):refs/heads/branch2" &&
-       # Fails when refspec includes 'HEAD' as it is unsupported at this time
+       # Fails when refspec includes HEAD and parent and submodule do not
+       # have the same named branch checked out
        test_must_fail git -C work push --recurse-submodules=on-demand origin \
                HEAD:refs/heads/branch2 &&
 
@@ -527,4 +528,26 @@ test_expect_success 'push propagating refspec to a submodule' '
        test_cmp expected_pub actual_pub
 '
 
+test_expect_success 'push propagating HEAD refspec to a submodule' '
+       git -C work/gar/bage checkout branch2 &&
+       > work/gar/bage/junk12 &&
+       git -C work/gar/bage add junk12 &&
+       git -C work/gar/bage commit -m "Twelfth junk" &&
+
+       git -C work checkout branch2 &&
+       git -C work add gar/bage &&
+       git -C work commit -m "updating gar/bage in branch2" &&
+
+       # Passes since the superproject and submodules HEAD are both on branch2
+       git -C work push --recurse-submodules=on-demand origin \
+               HEAD:refs/heads/branch2 &&
+
+       git -C submodule.git rev-parse branch2 >actual_submodule &&
+       git -C pub.git rev-parse branch2 >actual_pub &&
+       git -C work/gar/bage rev-parse branch2 >expected_submodule &&
+       git -C work rev-parse branch2 >expected_pub &&
+       test_cmp expected_submodule actual_submodule &&
+       test_cmp expected_pub actual_pub
+'
+
 test_done