refactor: No flakes for us

2026-03-10 17:21:34 +00:00
commit c2d08f250f
7 changed files with 481 additions and 0 deletions
@@ -0,0 +1,110 @@
+let
+  sources = import ./npins;
+  system = builtins.currentSystem;
+  pkgs = import sources.nixpkgs {
+    inherit system;
+    config.allowUnfree = true;
+  };
+
+  claudeCode = pkgs.callPackage "${sources.claude-code-nix}/package.nix" { };
+
+  nixosCfg = import "${sources.nixpkgs}/nixos/lib/eval-config.nix" {
+    inherit system;
+
+    # specialArgs = {
+    # inherit sources;
+    # };
+
+    modules = [
+      { nixpkgs.pkgs = pkgs; }
+
+      (
+        { modulesPath, ... }:
+        {
+          imports = [ "${modulesPath}/virtualisation/qemu-vm.nix" ];
+
+          # virtualisation
+          virtualisation.graphics = false;
+          virtualisation.memorySize = 4096;
+          virtualisation.cores = 4;
+
+          virtualisation.sharedDirectories = {
+            workspace = {
+              source = ''"$WORKSPACE_DIR"'';
+              target = "/workspace";
+              securityModel = "none";
+            };
+            config = {
+              source = ''"$CLAUDE_VM_CONFIG_DIR"'';
+              target = "/mtn/claude-vm-config";
+              securityModel = "none";
+            };
+          };
+
+          # boot / console
+          boot.kernelParams = [ "console=ttyS0" ];
+          boot.loader.grub.enable = false;
+          boot.initrd.kernelModules = [
+            "9p"
+            "9pnet_virtio"
+          ];
+
+          # user
+          users.users.claude = {
+            isNormalUser = true;
+            home = "/home/claude";
+            extraGroups = [ "wheel" ];
+          };
+
+          services.getty.autologinUser = "claude";
+
+          # packages
+          environment.systemPackages = [
+            claudeCode
+            pkgs.git
+            pkgs.curl
+            pkgs.vim
+          ];
+
+          # login shell launches claude
+          programs.bash.interactiveShellInit = ''
+            # Only run for the auto-login claude user
+            [ "$(whoami)" = "claude" ] || return
+
+            args=()
+            if [ -f /mnt/claude-vm-config/claude-args ]; then
+              while IFS= read -r line; do
+                [ -n "$line" ] && args+=("$line")
+              done < /mnt/claude-vm-config/claude-args
+            fi
+
+            cd /workspace 2>/dev/null || true
+            exec claude "''${args[@]}"
+          '';
+
+          # misc
+          networking.hostName = "claude-vm";
+          system.stateVersion = "25.05";
+        }
+      )
+    ];
+  };
+  vmBuild = nixosCfg.config.system.build.vm;
+in
+{
+  claude-vm = pkgs.writeShellScriptBin "claude-vm" ''
+    CONFIG_DIR=$(mktemp -d)
+    trap "rm -rf '$CONFIG_DIR'" EXIT
+
+    # Write all CLI args to a file, one per line
+    if [ $# -gt 0 ]; then
+      printf '%s\n' "$@" > "$CONFIG_DIR/claude-args"
+    else
+      touch "$CONFIG_DIR/claude-args"
+    fi
+
+    export CLAUDE_VM_CONFIG_DIR="$CONFIG_DIR"
+    export WORKSPACE_DIR="$(pwd)"
+    ${vmBuild}/bin/run-claude-vm-vm
+  '';
+}