adding a adding b/a a b/a 644 a 644 b/a b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 644 a b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 644 b/a a a b/a a b/a % should fail abort: unknown revision '2'! abort: please specify just one revision a b/a