diff --git a/dup b/dup
index 2c6afcd..abc47c0 100755
--- a/dup
+++ b/dup
@@ -20,6 +20,16 @@ function do_get() {
 	fi
 }
 
+function do_pull() {
+    if [ "$stashAndSync" = true ]
+    then
+        git stash
+        git pull --rebase
+        git push
+        git stash pop || true
+    fi
+}
+
 function run_script() {
     script="$1"; shift
     targets="$@"
@@ -45,6 +55,7 @@ function maybe_stow() {
 
 stow=true
 bootstrap=false
+stashAndSync=false
 while [ "$#" -gt 0 ]
 do
     case $1 in
@@ -56,6 +67,10 @@ do
             bootstrap=true
             shift
             ;;
+        -s  | --stash-and-sync)
+            stashAndSync=true
+            shift
+            ;;
         --)
             shift
             break
@@ -90,13 +105,13 @@ then
 elif [ "$bootstrap" != true ]
 then
     echo "Updating .dotfiles"
-    git pull
+    do_pull
 
     for dir in */
     do
 	    echo "Updating $dir"
 	    cd "$dir"
-	    git pull
+	    do_pull
 	    cd ..
     done