Move ipa-epn systemd files and run RPM hooks

The init/systemd directory is for server only and not part of
CLIENT_ONLY builds.

It's necesary to run pre/post installation hooks to make systemd aware
of new files.

Fixes: https://pagure.io/freeipa/issue/8367
Signed-off-by: Christian Heimes <cheimes@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
Reviewed-By: Francois Cami <fcami@redhat.com>

client/systemd/Makefile.am

@@ -0,0 +1,27 @@
+# This file will be processed with automake-1.7 to create Makefile.in
+#
+AUTOMAKE_OPTIONS = 1.7
+
+NULL =
+
+dist_noinst_DATA = 			\
+	ipa-epn.service.in		\
+	ipa-epn.timer.in		\
+	$(NULL)
+
+systemdsystemunit_DATA = 	\
+	ipa-epn.service			\
+	ipa-epn.timer		\
+	$(NULL)
+
+CLEANFILES = $(systemdsystemunit_DATA)
+
+%: %.in Makefile
+	sed \
+		-e 's|@bindir[@]|$(bindir)|g' \
+		-e 's|@IPA_SYSCONF_DIR[@]|$(IPA_SYSCONF_DIR)|g' \
+		-e 's|@localstatedir[@]|$(localstatedir)|g' \
+		-e 's|@sbindir[@]|$(sbindir)|g' \
+		-e 's|@libexecdir[@]|$(libexecdir)|g' \
+		-e 's|@sysconfenvdir[@]|$(sysconfenvdir)|g' \
+		'$(srcdir)/$@.in' >$@