Merge branch '__update_alternatives_with_explorer' into 'master'

__update_alternatives: add state explorer

See merge request ungleich-public/cdist!848

cdist/conf/type/__update_alternatives/explorer/state

+#!/bin/sh -e
+path="$(cat "$__object/parameter/path")"
+name="$__object_id"
+link="$(readlink "/etc/alternatives/$name")"
+if [ "$path" = "$link" ]
+then echo present
+else echo absent
+fi

cdist/conf/type/__update_alternatives/gencode-remote

@@ -17,9 +17,10 @@
 # You should have received a copy of the GNU General Public License
 # along with cdist. If not, see <http://www.gnu.org/licenses/>.
 #
-#
-# Setup alternative - no standard way to create, always set
-#
+
+if [ "$(cat "$__object/explorer/state")" = 'present' ]
+then exit 0
+fi
 
 path="$(cat "$__object/parameter/path")"
 name="$__object_id"