FIX #435 Adding loader and control functions

src/main/resources/com/typesafe/sbt/packager/archetypes/java_server/rpm/postinst-template

@@ -1,7 +1,3 @@
 ${{loader-functions}}
-${{control-functions}}
-
-addGroup ${{daemon_group}}
-addUser ${{daemon_user}} ${{daemon_group}} "${{app_name}} user-daemon" "${{daemon_shell}}"
 
 startService ${{app_name}} || echo "${{app_name}} could not be registered or started"

src/main/resources/com/typesafe/sbt/packager/archetypes/java_server/rpm/postun-template

@@ -1,3 +1,5 @@
+${{control-functions}}
+
 # Removing system user/group : ${{daemon_user}} and ${{daemon_group}}
 
 # Scriptlet syntax: http://fedoraproject.org/wiki/Packaging:ScriptletSnippets#Syntax

src/main/resources/com/typesafe/sbt/packager/archetypes/java_server/rpm/preinst-template

@@ -1,11 +1,6 @@
+${{control-functions}}
+
 # Adding system user/group : ${{daemon_user}} and ${{daemon_group}}
-if ! getent group | grep -q "^${{daemon_group}}:" ;
-then
-    echo "Creating system group: ${{daemon_group}}"
-    groupadd --system ${{daemon_group}}
-fi
-if ! getent passwd | grep -q "^${{daemon_user}}:";
-then
-    echo "Creating system user: ${{daemon_user}}"
-    useradd --gid ${{daemon_group}} --no-create-home --system -c '${{app_name}} daemon-user' ${{daemon_user}}
-fi
+
+addGroup ${{daemon_group}}
+addUser ${{daemon_user}} ${{daemon_group}} "${{app_name}} user-daemon" "${{daemon_shell}}"

src/main/resources/com/typesafe/sbt/packager/archetypes/java_server/rpm/preun-template

@@ -1,3 +1,5 @@
+${{loader-functions}}
+
 # Halting ${{app_name}}
 echo "Shutdown ${{app_name}}"
 service ${{app_name}} stop || echo "Could not stop ${{app_name}}"