meta: fix installing as root and packages from AUR

dotfiles/scripts/install_meta

@@ -2,8 +2,11 @@
 
 set -e
 
+test `id -u` -ne 0 ||
+    exit 0
+
 command -v makepkg &>/dev/null ||
-    exit 1
+    exit 0
 
 install_pikaur() {
     PIKDIR="$HOME/.cache/pikaur/build/pikaur"
@@ -34,7 +37,9 @@ pikaur \
     --noconfirm \
     --keepbuilddep ||
     for depend in ${depends[@]}; do
-        sudo pacman -S --needed --noconfirm $depend || true
+        pikaur -S --needed --noconfirm $depend ||
+        sudo pacman -S --needed --noconfirm $depend ||
+        true
     done
 
 init_deps=""