diff --git a/lib/ulib/deploy b/lib/ulib/deploy
index 275f496..571f89a 100644
--- a/lib/ulib/deploy
+++ b/lib/ulib/deploy
@@ -7,32 +7,69 @@
 
 function deploy_query() {
     # Afficher le résultat d'une requête
+    local alv
+    eval "set -- $(getopt -ov: -lallow-vars: -- "$@")"
+    while [ -n "$1" ]; do
+        case "$1" in
+        -v|--allow-vars)
+            array_split alv "$2" ,
+            shift; shift
+            ;;
+        --) shift; break;;
+        *) break;;
+        esac
+    done
+
     local qtype="$1" otype="$2" ltype="$3" profile="$4" format="${5:-shell}" term="$6"
     local -a vs; local object type link
 
     case "$qtype" in
     DEST|SOURCE)
-        if [ -n "$otype" ]; then deploy_is_type "$otype" || return 2; fi
+        if [ -n "$otype" ]; then
+            deploy_is_type "$otype" || {
+                qvals false "$otype: invalid type"
+                return 2
+            }
+        fi
         ;;
     *)
-        if [ -n "$qtype" ]; then deploy_is_type "$qtype" || return 3; fi
+        if [ -n "$qtype" ]; then
+            deploy_is_type "$qtype" || {
+                qvals false "$qtype: invalid type"
+                return 3
+            }
+        fi
         ;;
     esac
-    if [ -n "$ltype" ]; then deploy_is_link "$ltype" || return 4; fi
-    [ -n "$term" ] || return 5
+    if [ -n "$ltype" ]; then
+        deploy_is_link "$ltype" || {
+            qvals false "$ltype: invalid link type"
+            return 4
+        }
+    fi
+    [ -n "$term" ] || {
+        qvals false "search term required"
+        return 5
+    }
 
     case "$qtype" in
     DEST)
         edebug "=== search type DEST"
         edebug "term=$term, otype=$otype"
-        deploy_search_artifact object type "$term" "$otype" host || return 1
+        deploy_search_artifact object type "$term" "$otype" host || {
+            qvals false "artifact not found"
+            return 1
+        }
         edebug "object=$object, type=$type"
-        deploy_search_link link "$type" "$ltype" || return 1
+        deploy_search_link link "$type" "$ltype" || {
+            qvals false "link not found"
+            return 1
+        }
         
-        deploy_show_values object object "$format" shell
-        deploy_show_values type otype "$format" shell
-        deploy_show_values link ltype "$format" shell
-        deploy_show_links "$object" "$link" "$profile" "$format"
+        deploy_show_values object object "$format" shell alv
+        deploy_show_values type otype "$format" shell alv
+        deploy_show_values link ltype "$format" shell alv
+        deploy_show_links "$object" "$link" "$profile" "$format" "" alv
         return 0
         ;;
     SOURCE)
@@ -40,35 +77,42 @@ function deploy_query() {
         return 0
         ;;
     *)
-
         if deploy_search_artifact object type "$term" "$qtype"; then
             deploy_copy_object_values vs "$object" "$type"
-            deploy_show_values object object "$format" shell
-            deploy_show_values type otype "$format" shell
-            deploy_show_values vs "$type" "$format"
-            deploy_show_attrs "$object" "$type" "$format"
+            deploy_show_values object object "$format" shell alv
+            deploy_show_values type otype "$format" shell alv
+            deploy_show_values vs "$type" "$format" ""  alv
+            deploy_show_attrs "$object" "$type" "$format" alv
             return 0
         fi
+        qvals false "artifact not found"
         return 1
         ;;
     esac
 }
 
 function deploy_setconf() {
-    local confname="$1" confdir="$(abspath "${2:-$scriptdir}")"
-    IFILE="$confdir/init.conf"
-    if [[ "$confname" == */* ]] || [[ "$confname" == *.* ]]; then
-        local d="$(abspath "$(dirname -- "$confname")")"
-        if [ "$d" != "$confdir" ]; then
-            CONFNAME="$confname"
-            SFILE="$CONFNAME"
-            DFILE="${CONFNAME%.conf}.vars"
-            return
+    local confname="$1" confdir="$2"
+    if [ -n "$confdir" ]; then
+        confdir="$(abspath "$confdir")"
+        if [[ "$confname" == */* ]] || [[ "$confname" == *.* ]]; then
+            local d="$(abspath "$(dirname -- "$confname")")"
+            if [ "$d" != "$confdir" ]; then
+                CONFNAME="$confname"
+                SFILE="$CONFNAME"
+                DFILE="${CONFNAME%.conf}.vars"
+                return
+            fi
+            confname="$(basename -- "$confname" .conf)"
         fi
-        confname="$(basename -- "$confname" .conf)"
+        CONFNAME="${confname:-deploy}"
+        IFILE="$confdir/init.conf"
+        SFILE="$confdir/$CONFNAME.conf"
+    else
+        CONFNAME="${confname:-deploy}"
+        IFILE=
+        SFILE=
     fi
-    CONFNAME="${confname:-deploy}"
-    SFILE="$confdir/$CONFNAME.conf"
     if is_root; then
         DFILE="/var/local/deploy/$CONFNAME.vars"
     else
@@ -77,6 +121,7 @@ function deploy_setconf() {
 }
 
 function deploy_loadconf() {
+    # charger la configuration. deploy_setconf() DOIT être appelé avant
     if [ "$1" != --no-auto-update ]; then (
         # mettre à jour le cas échéant le fichier des variables
         DEPLOY_SRCDIR=; set_defaults deploy
@@ -168,19 +213,31 @@ function deploy_search_link() {
 }
 
 function deploy_show_values() {
+    if [ -n "$5" ]; then
+        if ! array_isempty "$5"; then
+            array_contains "$5" "$2" || return
+        fi
+    fi
     local -a __sv_vs; array_copy __sv_vs "$1"
     local -a vs; array_copy vs __sv_vs
     local t="$2" f="${3:-shell}" ff="$4"
     [ -n "$ff" -a "$f" != "$ff" ] && return
 
     case "$f" in
-    shell) deploy_dump_values "$t" vs;;
+    shell)
+        [ -n "$5" ] && echo "$t=()"
+        deploy_dump_values "$t" vs
+        ;;
     line) array_to_lines vs;;
     *) array_join vs "$f";;
     esac
 }
 
 function deploy_show_attrs() {
+    if [ -n "$4" ]; then
+        local -a __dsa_alv; array_copy __dsa_alv "$4"
+        local -a alv; array_copy alv __dsa_alv
+    fi
     local o="$1" t="$2" f="${3:-shell}" ff=shell
     [ -n "$ff" -a "$f" != "$ff" ] && return
 
@@ -188,12 +245,22 @@ function deploy_show_attrs() {
     deploy_prepare_copy_attrs ons gns "$o" "$t"
     deploy_copy_attr_names ans "$o" "$t" ons gns
     for an in "${ans[@]}"; do
+        if [ -n "$4" ]; then
+            if ! array_isempty "$4"; then
+                array_contains alv "$an" || continue
+            fi
+            [ "$f" == shell ] && echo "$an=()"
+        fi
         deploy_copy_attr_values vs "$an" "$o" "$t" ons
         deploy_dump_values "$an" vs
     done
 }
 
 function deploy_show_links() {
+    if [ -n "$6" ]; then
+        local -a __dsl_alv; array_copy __dsl_alv "$6"
+        local -a alv; array_copy alv __dsl_alv
+    fi
     local o="$1" l="$2" profile="$3" f="${4:-shell}" ff="$5"
     local -a ps pons pgns ons gns ans ovs os; local p an av o
     [ -n "$ff" -a "$f" != "$ff" ] && return
@@ -201,7 +268,7 @@ function deploy_show_links() {
     deploy_copy_profiles ps 1
     for p in "${ps[@]}"; do
         [ -n "$profile" -a "$p" != "$profile" ] && continue
-        deploy_show_values p profile "$format" shell
+        deploy_show_values p profile "$format" shell alv
 
         deploy_prepare_copy_link_attrs pons pgns ons gns "$o" "$l" "$p"
         deploy_copy_link_attr_names ans "$o" "$l" "$p" pons pgns ons gns
@@ -215,9 +282,9 @@ function deploy_show_links() {
                     deploy_copy_object_values os "$av" host
                     array_extendu ovs os
                 done
-                deploy_show_values ovs host "$f" "$ff"
+                deploy_show_values ovs host "$f" "$ff" alv
             else
-                deploy_show_values avs "$an" "$f" shell
+                deploy_show_values avs "$an" "$f" shell alv
             fi
         done
     done