Generate scripts from templates

Python scripts are now generated from templates. The scripts are marked
as nodist (no distribution) but install targets. The templates for the
scripts are extra distribution data, no installation (noinst).

Fixes: https://pagure.io/freeipa/issue/7680
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>

install/certmonger/Makefile.am

@@ -1,11 +1,18 @@
 NULL =
 
 appdir = $(libexecdir)/certmonger/
-app_SCRIPTS =					\
+nodist_app_SCRIPTS =					\
 	dogtag-ipa-ca-renew-agent-submit	\
 	ipa-server-guard			\
 	$(NULL)
 
-EXTRA_DIST =				\
-	$(app_SCRIPTS)			\
+dist_noinst_DATA = 				\
+	dogtag-ipa-ca-renew-agent-submit.in	\
+	ipa-server-guard.in			\
 	$(NULL)
+
+PYTHON_SHEBANG = $(nodist_app_SCRIPTS)
+
+CLEANFILES = $(PYTHON_SHEBANG)
+
+include $(top_srcdir)/Makefile.pythonscripts.am