/ missing source dir will lead to exit

sync needs to be started first

dots/bin/syncDirSetup.sh

@@ -34,8 +34,9 @@ if [[ "${src_dir}" == "${trg_dir}" ]]; then
 fi
 
 if ! [[ -d ${src_dir} ]]; then
-    echo "creating non-existing source directory '${src_dir}'"
-    mkdir -p ${src_dir}
+    echo "error: non-existing source directory '${src_dir}'"
+    echo "you need to set up sync before you continue!"
+    exit 1
 fi
 
 if ! [[ -d ${trg_dir} ]]; then
@@ -51,8 +52,6 @@ if mount | grep ${trg_dir} > /dev/null; then
 else
     echo "mounting source '${src_dir}' to target '${trg_dir}'."
 
-    # example command:
-    # sudo mount -o bind --source /media/drive2/nass/lo/pCloudSync --target ~/pCloudSync
     sudo mount -o bind --source ${src_dir} --target ${trg_dir}
 
     du --human-readable --max-depth=1 ${trg_dir}