3 files changed, 47 insertions, 0 deletions
diff --git a/pack-bitmap.c b/pack-bitmap.c
index 6afc03d1e4..e0d0293a33 100644
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -1665,6 +1665,30 @@ static int can_filter_bitmap(struct list_objects_filter_options *filter)
 	return !filter_bitmap(NULL, NULL, NULL, filter);
 }
 
+
+static void filter_packed_objects_from_bitmap(struct bitmap_index *bitmap_git,
+					      struct bitmap *result)
+{
+	struct eindex *eindex = &bitmap_git->ext_index;
+	uint32_t objects_nr;
+	size_t i, pos;
+
+	objects_nr = bitmap_num_objects(bitmap_git);
+	pos = objects_nr / BITS_IN_EWORD;
+
+	if (pos > result->word_alloc)
+		pos = result->word_alloc;
+
+	memset(result->words, 0x00, sizeof(eword_t) * pos);
+	for (i = pos * BITS_IN_EWORD; i < objects_nr; i++)
+		bitmap_unset(result, i);
+
+	for (i = 0; i < eindex->count; ++i) {
+		if (has_object_pack(&eindex->objects[i]->oid))
+			bitmap_unset(result, objects_nr + i);
+	}
+}
+
 struct bitmap_index *prepare_bitmap_walk(struct rev_info *revs,
 					 int filter_provided_objects)
 {
@@ -1787,6 +1811,9 @@ struct bitmap_index *prepare_bitmap_walk(struct rev_info *revs,
 		      wants_bitmap,
 		      &revs->filter);
 
+	if (revs->unpacked)
+		filter_packed_objects_from_bitmap(bitmap_git, wants_bitmap);
+
 	bitmap_git->result = wants_bitmap;
 	bitmap_git->haves = haves_bitmap;
 
diff --git a/t/t6113-rev-list-bitmap-filters.sh b/t/t6113-rev-list-bitmap-filters.sh
index 4d8e09167e..86c70521f1 100755
--- a/t/t6113-rev-list-bitmap-filters.sh
+++ b/t/t6113-rev-list-bitmap-filters.sh
@@ -141,4 +141,17 @@ test_expect_success 'combine filter with --filter-provided-objects' '
 	done <objects
 '
 
+test_expect_success 'bitmap traversal with --unpacked' '
+	git repack -adb &&
+	test_commit unpacked &&
+
+	git rev-list --objects --no-object-names unpacked^.. >expect.raw &&
+	sort expect.raw >expect &&
+
+	git rev-list --use-bitmap-index --objects --all --unpacked >actual.raw &&
+	sort actual.raw >actual &&
+
+	test_cmp expect actual
+'
+
 test_done
diff --git a/t/t6115-rev-list-du.sh b/t/t6115-rev-list-du.sh
index d59111dede..c0cfda62fa 100755
--- a/t/t6115-rev-list-du.sh
+++ b/t/t6115-rev-list-du.sh
@@ -48,6 +48,13 @@ check_du HEAD
 check_du --objects HEAD
 check_du --objects HEAD^..HEAD
 
+test_expect_success 'setup for --unpacked tests' '
+	git repack -adb &&
+	test_commit unpacked
+'
+
+check_du --all --objects --unpacked
+
 # As mentioned above, don't use hardcode sizes as actual size, but use the
 # output from git cat-file.
 test_expect_success 'rev-list --disk-usage=human' '