Better test for IPv6 address.

cdist/conf/type/__file/gencode-local

@@ -67,14 +67,13 @@ DONE
       if [ "$upload_file" ]; then
          echo upload >> "$__messages_out"
          # IPv6 fix
-         case "${__target_host}" in
+         echo "${__target_host}" | grep -q -E '^[0-9a-fA-F:]+$'
-             *:*)
+         if [ $? -eq 0 ]
+         then
              my_target_host="[${__target_host}]"
-                 ;;
+         else
-             *)
              my_target_host="${__target_host}"
-                 ;;
+         fi
-         esac
          cat << DONE
 $__remote_copy "$source" "${my_target_host}:\$destination_upload"
 DONE

cdist/conf/type/__jail_freebsd10/gencode-local

@@ -44,14 +44,13 @@ basepresent="$(cat "$__object/explorer/basepresent")"
 if [ "$state" = "present" ]; then
    if [ "$basepresent" = "NONE" ]; then
      # IPv6 fix
-     case "${__target_host}" in
+     echo "${__target_host}" | grep -q -E '^[0-9a-fA-F:]+$'
-         *:*)
+     if [ $? -eq 0 ]
+     then
          my_target_host="[${__target_host}]"
-             ;;
+     else
-         *)
          my_target_host="${__target_host}"
-             ;;
+     fi
-     esac
       echo "$__remote_copy" "${jailbase}" "${my_target_host}:${remotebase}"
    fi   # basepresent=NONE
 fi   # state=present

cdist/conf/type/__jail_freebsd9/gencode-local

@@ -40,14 +40,13 @@ basepresent="$(cat "$__object/explorer/basepresent")"
 if [ "$state" = "present" ]; then
    if [ "$basepresent" = "NONE" ]; then
      # IPv6 fix
-     case "${__target_host}" in
+     echo "${__target_host}" | grep -q -E '^[0-9a-fA-F:]+$'
-         *:*)
+     if [ $? -eq 0 ]
+     then
          my_target_host="[${__target_host}]"
-             ;;
+     else
-         *)
          my_target_host="${__target_host}"
-             ;;
+     fi
-     esac
       echo "$__remote_copy" "${jailbase}" "${my_target_host}:${remotebase}"
    fi   # basepresent=NONE
 fi   # state=present

cdist/conf/type/__pf_ruleset/gencode-local

@@ -60,14 +60,13 @@ case $uname in
 esac
 
 # IPv6 fix
-case "${__target_host}" in
+echo "${__target_host}" | grep -q -E '^[0-9a-fA-F:]+$'
- *:*)
+if [ $? -eq 0 ]
+then
     my_target_host="[${__target_host}]"
-     ;;
+else
- *)
     my_target_host="${__target_host}"
-     ;;
+fi
-esac
 
 if [ -n "${cksum}" ]; then
    if [ ! "\${currentSum}" = "${cksum}" ]; then