diff --git a/README.md b/README.md
index 02fa1f9..1a52584 100644
--- a/README.md
+++ b/README.md
@@ -2,5 +2,8 @@
 
 installation script for termux (android)
 
-**one liner for first time setup:**  
-`curl "https://git.velvettear.de/velvettear/termux-install/raw/branch/master/install.sh | bash`
+**one liner:**  
+`bash -c "$(curl -sSL https://git.velvettear.de/velvettear/termux-install/raw/branch/master/install.sh)"`
+
+**qr code:**  
+![qrcode](qrcode.png)
diff --git a/install.sh b/install.sh
index 068ca06..e77e68b 100755
--- a/install.sh
+++ b/install.sh
@@ -9,18 +9,19 @@ set -e
 printf "> upgrading installed packages...\n"
 pkg upgrade
 
+printf "> changing repositories...\n"
+termux-change-repo
+
 printf "> installing additional packages...\n"
 pkg install wget curl tsu htop neovim git zsh openssh 
 
 printf "> cleaning package cache...\n"
+pkg autoclean
 pkg clean
 
 printf "> changing shell to 'zsh'...\n"
 chsh -s "zsh"
 
-printf "> changing repositories...\n"
-termux-change-repo
-
 printf "> configuring git...\n"
 git config --global user.name "velvettear"
 git config --global user.email "daniel.sommer@velvettear.de"
@@ -28,7 +29,8 @@ git config --global credential.helper store
 
 printf "> cloning git repository...\n"
 git clone "https://git.velvettear.de/velvettear/termux.git" "$HOME/tmp"
-find "$HOME/tmp" -exec mv '{}' "$HOME"
+find "$HOME/tmp" -type d -not -wholename "$HOME/tmp" -exec mv -f '{}' "$HOME" \;
+find "$HOME/tmp" -type d -not -wholename "$HOME/tmp" -exec mv -f '{}' "$HOME" \;
 rm -rf "$HOME/tmp"
 
 printf "> initializing submodule(s)...\n"
diff --git a/qrcode.png b/qrcode.png
new file mode 100644
index 0000000..62869ca
Binary files /dev/null and b/qrcode.png differ