fixed build user pwd issue

dist/pacman.sh

@@ -32,13 +32,13 @@ else
     # Check if $USER is root and if so add a temporary non-root user for building paru
     if [ "$EUID" -eq 0 ]; then
         echo "Building paru as root is not allowed. Creating a temporary user for building..."
-        TEMP_USER="tempuser"
+        TEMP_USER="builder"
         useradd -m "$TEMP_USER"
+        echo "Adding temporary user pwd"
+        yes | passwd -d "$TEMP_USER"
         chown -R "$TEMP_USER":"$TEMP_USER" .
-        login $TEMP_USER
         echo "Building paru as user $TEMP_USER..."
-        makepkg -si --noconfirm
-        logout
+        yes | su - "$TEMP_USER" -c "cd $(pwd) && makepkg -si --noconfirm"
         userdel -r "$TEMP_USER"
     else
         echo "Building paru as user $USER..."