Resolve SC2012.

cdist/conf/type/__link/explorer/state

@@ -33,8 +33,7 @@ destination_dir="${destination%/*}"
 case "$type" in
    symbolic)
       cd "$destination_dir" || exit 1
-      # TODO SC2012: use readlink or something?
-      source_is=$(ls -l "$destination" | sed 's/.*-> //g')
+      source_is=$(readlink "$destination")
       if [ -h "$destination" ]; then
          # ignore trailing slashes for comparison
          if [ "${source_is%/}" = "${source%/}" ]; then
@@ -53,9 +52,13 @@ case "$type" in
          echo sourcemissing
          exit 0
       fi
-      # TODO SC2012: use stat?
+      # Currently not worth the effor to change it, stat is not defined by POSIX
+      # and different OSes has different implementations for it.
+      # shellcheck disable=SC2012
       destination_inode=$(ls -i "$destination" | awk '{print $1}')
-      # TODO SC2012: use stat?
+      # Currently not worth the effor to change it, stat is not defined by POSIX
+      # and different OSes has different implementations for it.
+      # shellcheck disable=SC2012
       source_inode=$(ls -i "$source" | awk '{print $1}')
       if [ "$destination_inode" -eq "$source_inode" ]; then
          echo present

cdist/conf/type/__link/explorer/type

@@ -31,8 +31,10 @@ elif [ -f "$destination" ]; then
     type="$(cat "$__object/parameter/type")"
     case "$type" in
         hard)
-         # TODO SC2012: use stat?
-         link_count=$(ls -l "$destination" | awk '{ print $2 }')
+            # Currently not worth the effor to change it, stat is not defined by POSIX
+            # and different OSes has different implementations for it.
+            # shellcheck disable=SC2012
+            ink_count=$(ls -l "$destination" | awk '{ print $2 }')
             if [ "$link_count" -gt 1 ]; then
                 echo hardlink
                 exit 0