list-objects-filter: implement filter tree:0

diff --git a/t/t6112-rev-list-filters-objects.sh b/t/t6112-rev-list-filters-objects.sh
index 0d4d43894b86767a0141484b24091baa0c1c79be..2cbb81d3bbcd7a5c7aec8b73f244cb10a1c8eb15 100755 (executable)
--- a/t/t6112-rev-list-filters-objects.sh
+++ b/t/t6112-rev-list-filters-objects.sh
@@ -230,6 +230,21 @@ test_expect_success 'rev-list W/ --missing=print and --missing=allow-any for tre
        test_must_be_empty rev_list_err
 '
 
+# Test tree:0 filter.
+
+test_expect_success 'verify tree:0 includes trees in "filtered" output' '
+       git -C r3 rev-list --quiet --objects --filter-print-omitted \
+               --filter=tree:0 HEAD >revs &&
+
+       awk -f print_1.awk revs |
+       sed s/~// |
+       xargs -n1 git -C r3 cat-file -t >unsorted_filtered_types &&
+
+       sort -u unsorted_filtered_types >filtered_types &&
+       printf "blob\ntree\n" >expected &&
+       test_cmp expected filtered_types
+'
+
 # Delete some loose objects and use rev-list, but WITHOUT any filtering.
 # This models previously omitted objects that we did not receive.