tools/syz-query-subsystems: add filtering functionality

Two more flags:
- filter: allows to choose only a subset of the possible subsystems.
- emails: allows to force empty Lists and Maintainers.

1 files changed, 15 insertions, 0 deletions

diff --git a/pkg/subsystem/entities_test.go b/pkg/subsystem/entities_test.go
index 58166b91b..81c970b65 100644
--- a/pkg/subsystem/entities_test.go
+++ b/pkg/subsystem/entities_test.go
@@ -39,3 +39,18 @@ func TestSubsystemEmails(t *testing.T) {
 		"a@list.com", "b@list.com", "c@list.com", "d@list.com", "d@person.com",
 	})
 }
+
+func TestFilterList(t *testing.T) {
+	parentParent := &Subsystem{}
+	parentA := &Subsystem{Parents: []*Subsystem{parentParent}}
+	parentB := &Subsystem{Parents: []*Subsystem{parentParent}}
+	entity := &Subsystem{Parents: []*Subsystem{parentA, parentB}}
+
+	newList := FilterList([]*Subsystem{parentA, parentB, parentParent, entity},
+		func(s *Subsystem) bool {
+			return s != parentB
+		},
+	)
+	assert.Len(t, newList, 3)
+	assert.ElementsMatch(t, entity.Parents, []*Subsystem{parentA})
+}