1 files changed, 23 insertions, 0 deletions
diff --git a/lib/ansiblelint/rules/ComparisonToLiteralBoolRule.py b/lib/ansiblelint/rules/ComparisonToLiteralBoolRule.py
new file mode 100644
index 0000000..46668d1
--- /dev/null
+++ b/lib/ansiblelint/rules/ComparisonToLiteralBoolRule.py
@@ -0,0 +1,23 @@
+# Copyright (c) 2016, Will Thames and contributors
+# Copyright (c) 2018, Ansible Project
+
+import re
+
+from ansiblelint.rules import AnsibleLintRule
+
+
+class ComparisonToLiteralBoolRule(AnsibleLintRule):
+    id = '601'
+    shortdesc = "Don't compare to literal True/False"
+    description = (
+        'Use ``when: var`` rather than ``when: var == True`` '
+        '(or conversely ``when: not var``)'
+    )
+    severity = 'HIGH'
+    tags = ['idiom']
+    version_added = 'v4.0.0'
+
+    literal_bool_compare = re.compile("[=!]= ?(True|true|False|false)")
+
+    def match(self, file, line):
+        return self.literal_bool_compare.search(line)