better install process

README.md

@@ -18,6 +18,13 @@ nix-shell -p git
 rm configuration.nix
 cd /mnt/etc/nixos
 git clone https://git.tudbut.de/tudbut/nix-setup
+pushd nix-setup ; mv $(ls -a) .. ; popd
 exit
+bash init.sh
 nixos-install
 ```
+
+on the install:
+```sh
+nixos-edit init
+```

init.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+echo this is meant to be run from the iso!!!
+if [ -e "/mnt/etc/nixos" ] ; then
+  echo "iso detected. continue!"
+else
+  echo "you don't appear to be in the install iso."
+  echo -n "are you SURE??? (y/N) "
+  read sure
+  if ! [ "$sure" = "y" ] ; then
+    echo "ok. exiting."
+    exit 0
+  fi
+  echo "i will continue."
+fi
+
+echo "setting up channels:"
+echo deleting old
+nix-channel --remove nixos
+echo adding os channel
+nix-channel --add "https://channels.nixos.org/nixos-unstable" nixos
+echo adding pkgs channel
+nix-channel --add "https://channels.nixos.org/nixpkgs-unstable" nixpkgs
+echo updating
+nix-channel --update
+echo "all set."

nixos-edit.script.nix

@@ -3,6 +3,12 @@ with import <nixpkgs> {};
 pkgs.writeShellScriptBin "nixos-edit" ''
 	#!/bin/sh
 
+	if [ "$1" = "init" ] ; then
+		sudo chown -R tudbut: /etc/nixos
+		echo dir setup done
+		exit 0
+	fi
+
 	cd /etc/nixos
 	if [ "$1" = "pull" ] ; then
 		git pull