Fix unconditional-assignment with else clause

To be revisited once the issue in OPA is resolved.

Fixes #178

Signed-off-by: Anders Eknert <anders@styra.com>

bundle/regal/rules/style/unconditional_assignment.rego

@@ -17,6 +17,11 @@ report contains violation if {
 	# a `print` call.. but let's keep it simple for now
 	count(rule.body) == 1
 
+	# Remove this and consider proper handling of else once
+	# https://github.com/open-policy-agent/opa/issues/5777
+	# is resolved
+	not rule["else"]
+
 	# Var assignment in rule head
 	rule.head.value.type == "var"
 	rule_head_var := rule.head.value.value

bundle/regal/rules/style/unconditional_assignment_test.rego

@@ -49,3 +49,10 @@ test_success_unconditional_assignment_but_with_in_body if {
 	r := rule.report with input as ast.policy(`x := y { y := 5 with input as 1 }`)
 	r == set()
 }
+
+test_success_unconditional_assignment_but_else if {
+	r := rule.report with input as ast.policy(`msg := x {
+    	x := input.foo
+    } else := input.bar`)
+	r == set()
+}