diff --git a/spkg b/spkg
index 1aa2775..042a588 100755
--- a/spkg
+++ b/spkg
@@ -1,11 +1,12 @@
 #!/bin/sh
-source="https://git.hippoz.xyz/spkg/repo"
+source="https://git.hippoz.xyz/down/repo"
 tmpdir="/tmp"
 setup() {
-	cp ./spkg /usr/bin/spkg
-	chmod +x /usr/bin/spkg
-	mkdir /etc/
-	mv os-release /etc/
+	prefix=$1
+	cp ./spkg "${prefix}"/usr/bin/spkg
+	chmod +x "${perfix}"/usr/bin/spkg
+	mkdir "${prefix}"/etc/
+	mv os-release "${prefix}"/etc/
 }
 removepkg() {
 	pkgname=$1
@@ -63,7 +64,10 @@ version() {
 }
 case "${1}" in
 	setup)
-		setup ;;
+		case "${2}" in
+			--root-dir) setup "${3}" ;;
+			*) setup "/" ;;
+		esac ;;
 	remove)
 		removepkg "${2}" ;;
 	install)