[type/__locale_system] RedHat systems on systemd use /etc/locale.conf

cdist/conf/type/__locale_system/manifest

@@ -3,6 +3,7 @@
 # 2012-2016 Steven Armstrong (steven-cdist at armstrong.cc)
 # 2016 Carlos Ortigoza (carlos.ortigoza at ungleich.ch)
 # 2016 Nico Schottelius (nico.schottelius at ungleich.ch)
+# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
 #
 # This file is part of cdist.
 #
@@ -32,8 +33,25 @@ case "$os" in
     archlinux)
         locale_conf="/etc/locale.conf"
         ;;
-    redhat|centos)
+    centos|redhat|scientific)
+        # shellcheck source=/dev/null
+        version_id=$(. "${__global}/explorer/os_release" && echo "${VERSION_ID:-0}")
+        if expr "${version_id}" '>=' 7 >/dev/null
+        then
+            locale_conf="/etc/locale.conf"
+        else
             locale_conf="/etc/sysconfig/i18n"
+        fi
+        ;;
+    fedora)
+        # shellcheck source=/dev/null
+        version_id=$(. "${__global}/explorer/os_release" && echo "${VERSION_ID:-0}")
+        if expr "${version_id}" '>=' 18 >/dev/null
+        then
+            locale_conf="/etc/locale.conf"
+        else
+            locale_conf="/etc/sysconfig/i18n"
+        fi
         ;;
     *)
         echo "Your operating system ($os) is currently not supported by this type (${__type##*/})." >&2
@@ -50,6 +68,6 @@ require="__file/$locale_conf" \
 __key_value "$locale_conf:$__object_id" \
        --file "$locale_conf" \
        --key "$__object_id" \
-       --delimiter = \
+       --delimiter '=' --exact_delimiter \
        --state "$(cat "$__object/parameter/state")" \
        --value "$(cat "$__object/parameter/value")"