Add tungsten (#9)

Reviewed-on: https://codeberg.org/leana8959/.files/pulls/9
Co-authored-by: Léana 江 <leana.jiang+git@icloud.com>
Co-committed-by: Léana 江 <leana.jiang+git@icloud.com>

Justfile

@@ -8,6 +8,15 @@ os host action:
                 --file ./default.nix \
                 --attr "nixosConfigurations.{{ host }}"
 
+install host:
+        #!/usr/bin/env bash
+        nixpkgs=$(nix-instantiate --eval -E "let sources = import ./nix/sources.nix {}; in sources.nixpkgs.outPath" | jq -r .)
+        sudo nixos-install \
+                -I nixpkgs=${nixpkgs} \
+                -I nixos-config=./nix/configurations/{{ host }}.nix \
+                --file ./default.nix \
+                --attr "nixosConfigurations.{{ host }}"
+
 update:
         niv update nixpkgs
         niv update nur