diff --git a/automaint b/automaint
index d082974..d0c57cf 100755
--- a/automaint
+++ b/automaint
@@ -23,11 +23,13 @@ ${me[0]} ${me[1]}
 "$"Usage"":
    $me [-s repository -d repository ] [-p repository] [-h] [-v]
 
-   -s repository      "$"Automatic/Staging builds source repository
    -d repository      "$"Main destination repository
    -p repository      "$"Port repository
+   -s repository      "$"Automatic/Staging builds source repository
+
    -h                 "$"Show this help and exit
-   -v                 "$"Verbose mode
+   -t                 "$"Test mode (no change will be made)
+   -v                 "$"Verbose output
 "
 
 }
@@ -130,6 +132,8 @@ for ((i=1; i<=$#; i++)); do
       -p) shift
           PORT_REPOSITORY="${!i}"
           ;;
+      -t) TESTMODE=1
+          ;;
       -v) VERBOSE=1
           ;;
       -h|--help)
@@ -146,6 +150,8 @@ done
    exit 1
 }
 
+[ "$TESTMODE" ] && echo "** TEST MODE enabled: no changes will be made **"
+
 for a in `seq 1 ${#ARCHS[*]}`; do
    . $LOCAL_REPS_BASE_DIR/distromatic/$SOURCE_REPOSITORY/builds-${ARCHS[$a-1]}.sh
    pkglist[$a-1]="${pkg_list[*]}"
@@ -178,6 +184,10 @@ for p in ${pkglist[0]}; do
    }
 
    if [ "$pkg_version" = "$spkg_version" ]; then
+      if [ "$pkg_release" = "$spkg_release" ]; then
+         echo "$p: same release as upstream; skipping."
+            continue
+      fi
       update_type="release"
    else
       OIFS=$IFS
@@ -201,17 +211,21 @@ for p in ${pkglist[0]}; do
    fi
    if [ "$needsport" ]; then
       echo "$p: importing from $SOURCE_REPOSITORY to $PORT_REPOSITORY ($spkg_version-$spkg_release -> $pkg_version-$pkg_release)"
-      openmamba-repository import $SOURCE_REPOSITORY $p -d $PORT_REPOSITORY -y >/dev/null
-      if [ $? -eq 0 -a "$WEBBUILD_URL" -a "$WEBBUILD_USER" ]; then
-         curl -s "$WEBBUILD_URL?REQUEST=message&USER=$WEBBUILD_USER&SECRET=${WEBBUILD_SECRET}&USER_EMAIL=$WEBBUILD_EMAIL&\
+      if [ ! "$TESTMODE" ]; then
+         openmamba-repository import $SOURCE_REPOSITORY $p -d $PORT_REPOSITORY -y >/dev/null
+         if [ $? -eq 0 -a "$WEBBUILD_URL" -a "$WEBBUILD_USER" ]; then
+            curl -s "$WEBBUILD_URL?REQUEST=message&USER=$WEBBUILD_USER&SECRET=${WEBBUILD_SECRET}&USER_EMAIL=$WEBBUILD_EMAIL&\
 MESSAGE=`cgi_encodevar \"imported <b>$p</b> from <b>$SOURCE_REPOSITORY</b> to <b>$PORT_REPOSITORY</b> for porting\"`" >/dev/null
+         fi
       fi
    else
       echo "$p: importing from $SOURCE_REPOSITORY to $DEST_REPOSITORY ($spkg_version-$spkg_release -> $pkg_version-$pkg_release; update type: $update_type)"
-      openmamba-repository import $SOURCE_REPOSITORY $p -d $DEST_REPOSITORY -y >/dev/null
-      if [ $? -eq 0 -a "$WEBBUILD_URL" -a "$WEBBUILD_USER" ]; then
-         curl -s "$WEBBUILD_URL?REQUEST=message&USER=$WEBBUILD_USER&SECRET=${WEBBUILD_SECRET}&USER_EMAIL=$WEBBUILD_EMAIL&\
+      if [ ! "$TESTMODE" ]; then
+         openmamba-repository import $SOURCE_REPOSITORY $p -d $DEST_REPOSITORY -y >/dev/null
+         if [ $? -eq 0 -a "$WEBBUILD_URL" -a "$WEBBUILD_USER" ]; then
+            curl -s "$WEBBUILD_URL?REQUEST=message&USER=$WEBBUILD_USER&SECRET=${WEBBUILD_SECRET}&USER_EMAIL=$WEBBUILD_EMAIL&\
 MESSAGE=`cgi_encodevar \"imported <b>$p</b> from <b>$SOURCE_REPOSITORY</b> to <b>$DEST_REPOSITORY</b>\"`" >/dev/null
+         fi
       fi
    fi
 done