diff --git a/readme.md b/readme.md
index fafd46d..129c690 100755
--- a/readme.md
+++ b/readme.md
@@ -21,6 +21,16 @@ its likely due to docker containers not resolving yet. todo fix this
 ### teidesu-osx
 `cp /var/run/current-system/Library/Fonts/* /Library/Fonts` - copy nix-managed fonts to system fonts (waiting for [this PR](https://github.com/LnL7/nix-darwin/pull/754))
 
+### setting up
+
+macos:
+```bash
+curl -L https://nixos.org/nix/install | sh
+git clone https://github.com/teidesu/nixos ~/nixos
+cd ~/nixos
+./switch
+```
+
 ## cat in a readme 🐈
 
 ![cat](https://cataas.com/cat)
diff --git a/switch b/switch
index a75eaa4..e74be43 100755
--- a/switch
+++ b/switch
@@ -23,17 +23,25 @@ if [ "$1" == "boot" ]; then
     shift
 fi
 
+flake="."
+if [ ! -z ${NIX_HOSTNAME+x} ]; then
+    flake=".#$NIX_HOSTNAME"
+fi
+
 if [ "$(uname)" == "Darwin" ]; then
-    git add -f hosts/teidesu-osx/arc-setup.nix
-    function restore {
-        git restore --staged hosts/teidesu-osx/arc-setup.nix
-    }
-    trap restore EXIT
+    if [ $(hostname) == "teidesu-osx" ]; then
+        git add -f hosts/teidesu-osx/arc-setup.nix
+        function restore {
+            git restore --staged hosts/teidesu-osx/arc-setup.nix
+        }
+        trap restore EXIT
+    fi
+
     if command -v darwin-rebuild &> /dev/null; then
-        darwin-rebuild switch --flake . $args $@
+        darwin-rebuild switch --flake $flake $args $@
     else
-        nix --extra-experimental-features nix-command --extra-experimental-features flakes run nix-darwin -- switch --flake . $args $@
+        nix --extra-experimental-features nix-command --extra-experimental-features flakes run nix-darwin -- switch --flake $flake $args $@
     fi
 else
-    sudo nixos-rebuild $cmd --flake . $args $@
+    sudo nixos-rebuild $cmd --flake $flake $args $@
 fi
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