diff --git a/sqlmig b/sqlmig
index adaaff1..683c80c 100755
--- a/sqlmig
+++ b/sqlmig
@@ -161,6 +161,33 @@ function abort_on_error() {
     [ -z "$force" ] && die "$@"
 }
 
+function ensure_dbtype() {
+    local dir="$1" type="$2"
+    if [ "$type" == auto ]; then
+        if [ -f "$dir/my.cnf" ]; then
+            dbtype=mysql
+        elif [ -f "$dir/ora.conf" ]; then
+            dbtype=oracle
+        else
+            die "Vous devez spécifier le type --mysql ou --oracle"
+        fi
+    else
+        dbtype="$type"
+    fi
+}
+function ensure_dbmode() {
+    local dbtype="$1" mode="$2"
+    if [ "$mode" == auto ]; then
+        if [ "$dbtype" == mysql ]; then
+            is_root && dbmode=prod || dbmode=devel
+        else
+            dbmode=prod
+        fi
+    else
+        dbmode="$mode"
+    fi
+}
+
 ################################################################################
 # MySQL
 
@@ -261,6 +288,73 @@ function mysql_after_update() {
     fi
 }
 
+function mysql_set_adminargs() {
+    local dir="$1"
+    adminargs=()
+    if [ -f "$dir/my.cnf" ]; then
+        array_add adminargs --defaults-file="$dir/my.cnf"
+        if [ -n "$admindefaults" ]; then
+            array_add adminargs --defaults-extra-file="$admindefaults"
+        fi
+    elif [ -n "$admindefaults" ]; then
+        array_add adminargs --defaults-file="$admindefaults"
+    fi
+    [ ${#adminargs[*]} -gt 0 ] || array_add adminargs --default-character-set utf8
+}
+function mysql_set_userargs() {
+    local dir="$1" dbname="$2"
+    userargs=()
+    if [ -f "$dir/my.cnf" ]; then
+        array_add userargs --defaults-file="$dir/my.cnf"
+        if [ -n "$userdefaults" ]; then
+            array_add userargs --defaults-extra-file="$userdefaults"
+        elif [ -f "$dir/my-${dbname}.cnf" ]; then
+            array_add userargs --defaults-extra-file="$dir/my-${dbname}.cnf"
+        fi
+    elif [ -n "$userdefaults" ]; then
+        array_add userargs --defaults-file="$userdefaults"
+    elif [ -f "$dir/my-${dbname}.cnf" ]; then
+        array_add userargs --defaults-file="$dir/my-${dbname}.cnf"
+    fi
+    [ ${#userargs[*]} -gt 0 ] || array_add userargs --default-character-set utf8
+}
+function mysql_set_mysqlargs() {
+    mysqlargs=()
+    [ -n "$user" ] && array_add mysqlargs -u "$user"
+    [ -n "$pwset" ] && array_add mysqlargs -p"$password"
+    [ -n "$host" ] && array_add mysqlargs -h "$host"
+    [ -n "$port" ] && array_add mysqlargs -P "$port"
+    [ -n "$socket" ] && array_add mysqlargs -S "$socket"
+    [ -n "$charset" ] && array_add mysqlargs --default-character-set "$charset"
+    [ -n "$force" ] && array_add mysqlargs -f
+    array_add mysqlargs -B
+}
+MYSQL_ADMIN_CONF_DONE=
+function mysql_admin_update() {
+    local name="$1" update="$2" done
+    if [ -z "$MYSQL_ADMIN_CONF_DONE" ]; then
+        MYSQL_ADMIN_CONF_DONE=1
+        mysql_tbconf
+    fi
+    setx done=mysql_get_done "$name" || die
+    [ -n "$done" ] && return
+
+    estep "$name"
+    mysql_before_update || die
+    cat "$update" | mysql_admin_ve || abort_on_error
+    mysql_after_update || die
+}
+function mysql_user_update() {
+    local name="$1" update="$2" dbname="$3" done
+    setx done=mysql_get_done "$name" "$dbname" || die
+    [ -n "$done" ] && return
+
+    estep "$name"
+    mysql_before_update "$dbname" || die
+    cat "$update" | mysql_user_ve || abort_on_error
+    mysql_after_update "$dbname" || die
+}
+
 ################################################################################
 # Oracle
 
@@ -473,6 +567,81 @@ commit;"
     fi
 }
 
+function oracle_ensure_opdir() {
+    if [ -z "$OPDIR" ]; then
+        ac_set_tmpdir OPDIR
+        >"$SQLMIGLOG"
+    fi
+}
+function oracle_source_adminconf() {
+    local dir="$1"
+    unset ORACLE_SID NLS_LANG ADMINCONNECT USERCONNECT SQLMIGLOG
+    [ -f "$dir/ora.conf" ] && source "$dir/ora.conf"
+    [ -n "$admindefaults" ] && {
+        source "$admindefaults" || die
+    }
+    [ -n "$oracle_sid" ] && ORACLE_SID="$oracle_sid"
+    [ -n "$nls_lang" ] && NLS_LANG="$nls_lang"
+    export ORACLE_SID NLS_LANG
+    if [ -n "$ADMINCONNECT" ]; then
+        ADMINDBA=
+    else
+        ADMINCONNECT=/
+        ADMINDBA=1
+    fi
+    [ -n "$SQLMIGLOG" ] || SQLMIGLOG="/tmp/sqlmig-${ORACLE_SID}-${dbname}.log"
+}
+function oracle_source_userconf() {
+    local dir="$1" dbname="$2"
+    unset ORACLE_SID NLS_LANG ADMINCONNECT USERCONNECT SQLMIGLOG
+    [ -f "$dir/ora.conf" ] && source "$dir/ora.conf"
+    [ -f "$dir/ora-${dbname}.conf" ] && source "$dir/ora-${dbname}.conf"
+    [ -n "$userdefaults" ] && {
+        source "$userdefaults" || die
+    }
+    [ -n "$oracle_sid" ] && ORACLE_SID="$oracle_sid"
+    [ -n "$nls_lang" ] && NLS_LANG="$nls_lang"
+    export ORACLE_SID NLS_LANG
+    if [ -n "$ADMINCONNECT" ]; then
+        ADMINDBA=
+    else
+        ADMINCONNECT=/
+        ADMINDBA=1
+    fi
+    if [ -n "$USERCONNECT" ]; then
+        USERDBA=
+    else
+        USERCONNECT=/
+        USERDBA=1
+    fi
+    [ -n "$SQLMIGLOG" ] || SQLMIGLOG="/tmp/sqlmig-${ORACLE_SID}-${dbname}.log"
+}
+ORACLE_ADMIN_CONF_DONE=
+function oracle_admin_update() {
+    local name="$1" update="$2" done
+    if [ -z "$ORACLE_ADMIN_CONF_DONE" ]; then
+        ORACLE_ADMIN_CONF_DONE=
+        oracle_tbconf
+    fi
+    setx done=oracle_get_done "$name" || die
+    [ -n "$done" ] && return
+
+    estep "$name"
+    oracle_before_update || die
+    cat "$update" | oracle_admin_ve || abort_on_error
+    oracle_after_update || die
+}
+function oracle_user_update() {
+    local name="$1" update="$2" dbname="$3" done
+    setx done=oracle_get_done "$name" "$dbname" || die
+    [ -n "$done" ] && return
+
+    estep "$name"
+    oracle_before_update "$dbname" || die
+    cat "$update" | oracle_user_ve || abort_on_error
+    oracle_after_update "$dbname" || die
+}
+
 ################################################################################
 
 admindefaults=
@@ -722,32 +891,49 @@ fi
 # répertoire temporaire pour Oracle
 OPDIR=
 
+if [ -n "$updatedir" ]; then
+    ## mises à jour administratives
+    array_lsfiles updates "$updatedir" "*.sql"
+    if [ ${#updates[*]} -gt 0 ]; then
+        ensure_dbtype "$updatedir" "$type"
+        if [ "$dbtype" == mysql ]; then
+            # construire les paramètres pour mysql
+            mysql_set_adminargs "$updatedir"
+            mysql_set_mysqlargs
+
+            # Mises à jour
+            etitled "Mises à jour admin"
+            for update in "${updates[@]}"; do
+                setx name=basename "$update"
+                mysql_admin_update "$name" "$update"
+            done
+            eend; eclearp
+
+        elif [ "$dbtype" == oracle ]; then
+            # lire les paramètres
+            oracle_source_adminconf "$updatedir"
+            oracle_ensure_opdir
+
+            # Mises à jour
+            etitled "Mises à jour"
+            for update in "${updates[@]}"; do
+                setx name=basename "$update"
+                oracle_admin_update "$name" "$update"
+            done
+            eend; eclearp
+        fi
+    fi
+fi
+
+## mises à jour utilisateur
 force_dbname="$dbname"
 for dbdir in "${dbdirs[@]}"; do
     dbname="$force_dbname"
     [ -n "$dbname" ] || setx dbname=basename "$dbdir"
     etitle "$dbname"
 
-    if [ "$type" == auto ]; then
-        if [ -f "$dbdir/my.cnf" ]; then
-            dbtype=mysql
-        elif [ -f "$dbdir/ora.conf" ]; then
-            dbtype=oracle
-        else
-            die "Vous devez spécifier le type --mysql ou --oracle"
-        fi
-    else
-        dbtype="$type"
-    fi
-    if [ "$mode" == auto ]; then
-        if [ "$dbtype" == mysql ]; then
-            is_root && dbmode=prod || dbmode=devel
-        else
-            dbmode=prod
-        fi
-    else
-        dbmode="$mode"
-    fi
+    ensure_dbtype "$dbdir" "$type"
+    ensure_dbmode "$dbtype" "$mode"
 
     # lister les mises à jour disponibles
     drops=()
@@ -767,41 +953,9 @@ for dbdir in "${dbdirs[@]}"; do
     ############################################################################
     if [ "$dbtype" == mysql ]; then
         # construire les paramètres pour mysql
-        adminargs=()
-        if [ -f "$dbdir/my.cnf" ]; then
-            array_add adminargs --defaults-file="$dbdir/my.cnf"
-            if [ -n "$admindefaults" ]; then
-                array_add adminargs --defaults-extra-file="$admindefaults"
-            fi
-        elif [ -n "$admindefaults" ]; then
-            array_add adminargs --defaults-file="$admindefaults"
-        fi
-        [ ${#adminargs[*]} -gt 0 ] || array_add adminargs --default-character-set utf8
-
-        userargs=()
-        if [ -f "$dbdir/my.cnf" ]; then
-            array_add userargs --defaults-file="$dbdir/my.cnf"
-            if [ -n "$userdefaults" ]; then
-                array_add userargs --defaults-extra-file="$userdefaults"
-            elif [ -f "$dbdir/my-${dbname}.cnf" ]; then
-                array_add userargs --defaults-extra-file="$dbdir/my-${dbname}.cnf"
-            fi
-        elif [ -n "$userdefaults" ]; then
-            array_add userargs --defaults-file="$userdefaults"
-        elif [ -f "$dbdir/my-${dbname}.cnf" ]; then
-            array_add userargs --defaults-file="$dbdir/my-${dbname}.cnf"
-        fi
-        [ ${#userargs[*]} -gt 0 ] || array_add userargs --default-character-set utf8
-
-        mysqlargs=()
-        [ -n "$user" ] && array_add mysqlargs -u "$user"
-        [ -n "$pwset" ] && array_add mysqlargs -p"$password"
-        [ -n "$host" ] && array_add mysqlargs -h "$host"
-        [ -n "$port" ] && array_add mysqlargs -P "$port"
-        [ -n "$socket" ] && array_add mysqlargs -S "$socket"
-        [ -n "$charset" ] && array_add mysqlargs --default-character-set "$charset"
-        [ -n "$force" ] && array_add mysqlargs -f
-        array_add mysqlargs -B
+        mysql_set_adminargs "$dbdir"
+        mysql_set_userargs "$dbdir" "$dbname"
+        mysql_set_mysqlargs
 
         # Suppression
         if [ -n "$drop" ]; then
@@ -835,29 +989,12 @@ for dbdir in "${dbdirs[@]}"; do
         # Mises à jour
         etitled "Mises à jour"
         mysql_tbconf "$dbname"
-        admin_conf=1
         for update in "${updates[@]}"; do
             setx name=basename "$update"
             if have_tag admin "$update"; then
-                if [ -n "$admin_conf" ]; then
-                    admin_conf=
-                    mysql_tbconf
-                fi
-                setx done=mysql_get_done "$name" || die
-                [ -n "$done" ] && continue
-
-                estep "$name"
-                mysql_before_update || die
-                cat "$update" | mysql_admin_ve || abort_on_error
-                mysql_after_update || die
+                mysql_admin_update "$name" "$update"
             else
-                setx done=mysql_get_done "$name" "$dbname" || die
-                [ -n "$done" ] && continue
-
-                estep "$name"
-                mysql_before_update "$dbname" || die
-                cat "$update" | mysql_user_ve || abort_on_error
-                mysql_after_update "$dbname" || die
+                mysql_user_update "$name" "$update" "$dbname"
             fi
         done
         eend; eclearp
@@ -867,34 +1004,8 @@ for dbdir in "${dbdirs[@]}"; do
         [ -n "$OPDIR" ] || ac_set_tmpdir OPDIR
 
         # lire les paramètres
-        unset ORACLE_SID NLS_LANG ADMINCONNECT USERCONNECT SQLMIGLOG
-        if [ -n "$admindefaults" ]; then
-            source "$admindefaults" || die
-        elif [ -f "$dbdir/ora.conf" ]; then
-            source "$dbdir/ora.conf"
-        fi
-        if [ -n "$userdefaults" ]; then
-            source "$userdefaults" || die
-        elif [ -f "$dbdir/ora-${dbname}.conf" ]; then
-            source "$dbdir/ora-${dbname}.conf"
-        fi
-        [ -n "$oracle_sid" ] && ORACLE_SID="$oracle_sid"
-        [ -n "$nls_lang" ] && NLS_LANG="$nls_lang"
-        export ORACLE_SID NLS_LANG
-        if [ -n "$ADMINCONNECT" ]; then
-            ADMINDBA=
-        else
-            ADMINCONNECT=/
-            ADMINDBA=1
-        fi
-        if [ -n "$USERCONNECT" ]; then
-            USERDBA=
-        else
-            USERCONNECT=/
-            USERDBA=1
-        fi
-        [ -n "$SQLMIGLOG" ] || SQLMIGLOG="/tmp/sqlmig-${ORACLE_SID}-${dbname}.log"
-        >"$SQLMIGLOG"
+        oracle_source_userconf "$dbdir" "$dbname"
+        oracle_ensure_opdir
 
         # Suppression
         if [ -n "$drop" ]; then
@@ -928,29 +1039,12 @@ for dbdir in "${dbdirs[@]}"; do
         # Mises à jour
         etitled "Mises à jour"
         oracle_tbconf "$dbname"
-        admin_conf=1
         for update in "${updates[@]}"; do
             setx name=basename "$update"
             if have_tag admin "$update"; then
-                if [ -n "$admin_conf" ]; then
-                    admin_conf=
-                    oracle_tbconf
-                fi
-                setx done=oracle_get_done "$name" || die
-                [ -n "$done" ] && continue
-
-                estep "$name"
-                oracle_before_update || die
-                cat "$update" | oracle_admin_ve || abort_on_error
-                oracle_after_update || die
+                oracle_admin_update "$name" "$update"
             else
-                setx done=oracle_get_done "$name" "$dbname" || die
-                [ -n "$done" ] && continue
-
-                estep "$name"
-                oracle_before_update "$dbname" || die
-                cat "$update" | oracle_user_ve || abort_on_error
-                oracle_after_update "$dbname" || die
+                oracle_user_update "$name" "$update" "$dbname"
             fi
         done
         eend; eclearp