devel/py-cfn-lint: Add make test target

Approved by:	hrs (mentor)

devel/py-cfn-lint/Makefile

@@ -23,7 +23,10 @@ RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}aws-sam-translator>=1.65.0:devel/py-aws-sam-
 		${PYTHON_PKGNAMEPREFIX}yaml>5.4:devel/py-yaml@${PY_FLAVOR}
 
 USES=		python:3.7+
-USE_PYTHON=	autoplist concurrent distutils
+USE_PYTHON=	autoplist concurrent distutils unittest
+TEST_ENV=	${MAKE_ENV} \
+		PATH=${STAGEDIR}${PREFIX}/bin:${PATH} \
+		PYTHONPATH=${STAGEDIR}${PYTHON_SITELIBDIR}
 
 NO_ARCH=	yes
 

devel/py-cfn-lint/files/patch-src_cfnlint_maintenance.py

@@ -0,0 +1,13 @@
+--- src/cfnlint/maintenance.py.orig	2023-05-08 16:34:58 UTC
++++ src/cfnlint/maintenance.py
+@@ -226,9 +226,8 @@ def update_documentation(rules):
+                 "../"
+                 + subprocess.check_output(
+                     [
+-                        "git",
+                         "grep",
+-                        "-l",
++                        "-lr",
+                         'id = "' + rule.id + '"',
+                         "src/cfnlint/rules/",
+                     ]