show: use streaming API for showing blobs

diff --git a/t/t6019-rev-list-ancestry-path.sh b/t/t6019-rev-list-ancestry-path.sh
index 76410293b34ecede219445e09b1eccb8175ee115..39b4cb0ecdc8801b355b815a0566c6e2df5c5a39 100755 (executable)
--- a/t/t6019-rev-list-ancestry-path.sh
+++ b/t/t6019-rev-list-ancestry-path.sh
@@ -70,4 +70,42 @@ test_expect_success 'rev-list --ancestry-patch D..M -- M.t' '
        test_cmp expect actual
 '
 
+#   b---bc
+#  / \ /
+# a   X
+#  \ / \
+#   c---cb
+#
+# All refnames prefixed with 'x' to avoid confusion with the tags
+# generated by test_commit on case-insensitive systems.
+test_expect_success 'setup criss-cross' '
+       mkdir criss-cross &&
+       (cd criss-cross &&
+        git init &&
+        test_commit A &&
+        git checkout -b xb master &&
+        test_commit B &&
+        git checkout -b xc master &&
+        test_commit C &&
+        git checkout -b xbc xb -- &&
+        git merge xc &&
+        git checkout -b xcb xc -- &&
+        git merge xb &&
+        git checkout master)
+'
+
+# no commits in bc descend from cb
+test_expect_success 'criss-cross: rev-list --ancestry-path cb..bc' '
+       (cd criss-cross &&
+        git rev-list --ancestry-path xcb..xbc > actual &&
+        test -z "$(cat actual)")
+'
+
+# no commits in repository descend from cb
+test_expect_success 'criss-cross: rev-list --ancestry-path --all ^cb' '
+       (cd criss-cross &&
+        git rev-list --ancestry-path --all ^xcb > actual &&
+        test -z "$(cat actual)")
+'
+
 test_done