hetzner-dedicated: remove manual.manpages and set NIX_PATH

Author: marijanp

hosters/hetzner-dedicated/hetzner-dedicated-wipe-and-install-nixos.sh

@@ -169,7 +169,7 @@ nix-channel --add https://nixos.org/channels/nixos-unstable nixpkgs
 nix-channel --update
 
 # Getting NixOS installation tools
-nix-env -iE "_: with import <nixpkgs/nixos> { configuration = {}; }; with config.system.build; [ nixos-generate-config nixos-install nixos-enter manual.manpages ]"
+nix-env -iE "_: with import <nixpkgs/nixos> { configuration = {}; }; with config.system.build; [ nixos-generate-config nixos-install nixos-enter ]"
 
 nixos-generate-config --root /mnt
 
@@ -292,6 +292,7 @@ cat > /mnt/etc/nixos/configuration.nix <<EOF
 EOF
 
 # Install NixOS
+export NIX_PATH=${NIX_PATH:+$NIX_PATH:}$HOME/.nix-defexpr/channels
 PATH="$PATH" NIX_PATH="$NIX_PATH" `which nixos-install` --no-root-passwd --root /mnt --max-jobs 40
 
 umount /mnt