diff --git a/lib/bash_completion.d/nutools b/lib/bash_completion.d/nutools
new file mode 100644
index 0000000..1df64fb
--- /dev/null
+++ b/lib/bash_completion.d/nutools
@@ -0,0 +1,16 @@
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+
+function __nutools_host_completion() {
+    local cur prev
+    _get_comp_words_by_ref cur prev
+    if [ "$prev" == "-h" -o "$prev" == "-H" ]; then
+        _known_hosts_real "$cur"
+    fi
+}
+        
+if [ -n "$BASH_COMPLETION_DIR" -a -f "$BASH_COMPLETION_DIR/ssh" ]; then
+    shopt -u hostcomplete
+    complete -F _ssh ussh cssh
+fi
+
+complete -F __nutools_host_completion -o default ruinst runs rruns
diff --git a/lib/bash_completion.d/ptools b/lib/bash_completion.d/ptools
new file mode 100644
index 0000000..41b14d3
--- /dev/null
+++ b/lib/bash_completion.d/ptools
@@ -0,0 +1,8 @@
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+
+function __pdev_branches() {
+    git for-each-ref --format='%(refname:short)' refs/heads |
+    grep -vF master |
+    grep -v '^release-' |
+    grep -v '^hotfix-'
+}
diff --git a/lib/bashrc.d/bash_completion.nutools b/lib/bashrc.d/bash_completion.nutools
index 35ac9a5..2f97b73 100644
--- a/lib/bashrc.d/bash_completion.nutools
+++ b/lib/bashrc.d/bash_completion.nutools
@@ -5,42 +5,21 @@ if [ -n "$UTOOLS_BASH_COMPLETION" ]; then
     if [ -f /etc/debian_version ]; then
         case "$(</etc/debian_version)" in
         6*|squeeze*)
-            # le code suivant n'est compatible qu'avec debian squeeze
-            if [ -z "$BASH_COMPLETION" -a "${BASH_VERSINFO[0]}" -ge 4 ]; then
-                source "@@dest@@/lib/ulib/bash_completion"
-            fi
-            if [ -n "$BASH_COMPLETION" ]; then
-                if [ -n "$BASH_COMPLETION_DIR" -a -f "$BASH_COMPLETION_DIR/ssh" ]; then
-                    shopt -u hostcomplete
-                    complete -F _ssh ussh cssh
-                fi
-
-                function _nutools_h() {
-                    local cur prev
-                    _get_comp_words_by_ref cur prev
-                    if [ "$prev" == "-h" -o "$prev" == "-H" ]; then
-                        _known_hosts_real "$cur"
-                    fi
-                }
-                complete -F _nutools_h -o default ruinst runs rruns
-
-                function __pdev_branches() {
-                    git for-each-ref --format='%(refname:short)' refs/heads |
-                    grep -vF master |
-                    grep -v '^release-' |
-                    grep -v '^hotfix-'
-                }
-                function _pdev() {
-                    local cur
-                    _get_comp_words_by_ref cur
-                    COMPREPLY=($(compgen -W "$(__pdev_branches)" "$cur"))
-                }
-                complete -F _pdev pdev
-            fi
+            # le code suivant n'est compatible qu'avec debian squeeze (plus
+            # exactement, avec bash 4.0)
+            source "@@dest@@/lib/ulib/bash40/completion"
             ;;
         7*|wheezy*)
-            # le code suivant n'est compatible qu'avec debian wheezy
+            # le code suivant n'est compatible qu'avec debian wheezy (plus
+            # exactement, avec bah 4.1)
+            #source "@@dest@@/lib/ulib/bash41/completion"
             ;;
         esac
     fi
+    if [ -n "$BASH_COMPLETION" ]; then
+        for i in "$@@dest@@/lib/bash_completion.d/"*; do
+            [ -f "$i" ] || continue
+            source "$i"
+        done
+    fi
 fi
diff --git a/lib/uinst/conf b/lib/uinst/conf
index 2854cc6..b4af74d 100644
--- a/lib/uinst/conf
+++ b/lib/uinst/conf
@@ -32,6 +32,12 @@ done
 ./udist --nutools-makelinks
 ./ulink --nutools-makelinks
 
+# complétion programmable
+bcdir=lib/bash_completion.d
+./pdev --nutools-completion >"$bcdir/pdev"
+#./prel --nutools-completion >"$bcdir/prel"
+#./pfix --nutools-completion >"$bcdir/pfix"
+
 # copier le fichier .nutoolsrc
 [ -f ~/.nutoolsrc ] || cp lib/nutoolsrc ~/.nutoolsrc
 
diff --git a/lib/ulib/bash_completion b/lib/ulib/bash40/completion
similarity index 100%
rename from lib/ulib/bash_completion
rename to lib/ulib/bash40/completion
diff --git a/pdev b/pdev
index e050b6b..7fdce59 100755
--- a/pdev
+++ b/pdev
@@ -1,5 +1,17 @@
 #!/bin/bash
 # -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+
+if [ $# -eq 1 -a "$1" == --nutools-completion ]; then
+    echo '
+function __pdev_completion() {
+    local cur
+    _get_comp_words_by_ref cur
+    COMPREPLY=($(compgen -W "$(__pdev_branches)" "$cur"))
+}
+complete -F __pdev_completion pdev
+'
+fi
+
 source "$(dirname "$0")/lib/ulib/ulib" || exit 1
 urequire DEFAULTS ptools