ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t6019-rev-list-ancestry-path.sh b/t/t6019-rev-list-ancestry-path.sh
index 39b4cb0ecdc8801b355b815a0566c6e2df5c5a39..dabebaee0b7b474387d4bc9b466b969624822d6d 100755 (executable)
--- a/t/t6019-rev-list-ancestry-path.sh
+++ b/t/t6019-rev-list-ancestry-path.sh
@@ -13,6 +13,13 @@ test_description='--ancestry-path'
 #
 #  D..M -- M.t                 == M
 #  --ancestry-path D..M -- M.t == M
+#
+#  F...I                 == F G H I
+#  --ancestry-path F...I == F H I
+#
+#  G..M -- G.t                 == [nothing - was dropped in "-s ours" merge L]
+#  --ancestry-path G..M -- G.t == L
+#  --ancestry-path --simplify-merges G^..M -- G.t == G L
 
 . ./test-lib.sh
 
@@ -63,13 +70,52 @@ test_expect_success 'rev-list D..M -- M.t' '
        test_cmp expect actual
 '
 
-test_expect_success 'rev-list --ancestry-patch D..M -- M.t' '
+test_expect_success 'rev-list --ancestry-path D..M -- M.t' '
        echo M >expect &&
        git rev-list --ancestry-path --format=%s D..M -- M.t |
        sed -e "/^commit /d" >actual &&
        test_cmp expect actual
 '
 
+test_expect_success 'rev-list F...I' '
+       for c in F G H I; do echo $c; done >expect &&
+       git rev-list --format=%s F...I |
+       sed -e "/^commit /d" |
+       sort >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'rev-list --ancestry-path F...I' '
+       for c in F H I; do echo $c; done >expect &&
+       git rev-list --ancestry-path --format=%s F...I |
+       sed -e "/^commit /d" |
+       sort >actual &&
+       test_cmp expect actual
+'
+
+# G.t is dropped in an "-s ours" merge
+test_expect_success 'rev-list G..M -- G.t' '
+       >expect &&
+       git rev-list --format=%s G..M -- G.t |
+       sed -e "/^commit /d" >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'rev-list --ancestry-path G..M -- G.t' '
+       echo L >expect &&
+       git rev-list --ancestry-path --format=%s G..M -- G.t |
+       sed -e "/^commit /d" >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'rev-list --ancestry-path --simplify-merges G^..M -- G.t' '
+       for c in G L; do echo $c; done >expect &&
+       git rev-list --ancestry-path --simplify-merges --format=%s G^..M -- G.t |
+       sed -e "/^commit /d" |
+       sort >actual &&
+       test_cmp expect actual
+'
+
 #   b---bc
 #  / \ /
 # a   X