feat(ci): prompt checking

.forgejo/workflows/build.yaml

@@ -38,3 +38,13 @@ jobs:
         run: |
           # Enter the shell
           nix-build ci.nix -A wlan
+
+  test_shell_customization:
+    runs-on: nix
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Build VM QEMU MIPS
+        run: |
+          # Enter the shell
+          nix-build ci.nix -A custom-shell

tests/ci.nix

@@ -10,4 +10,5 @@
   tftpboot = import ./tftpboot/test.nix;
   updown = import ./updown/test.nix;
   inout = import ./inout/test.nix;
+  custom-shell = import ./custom-shell/test.nix;
 }

tests/custom-shell/check-prompt.expect

@@ -0,0 +1,7 @@
+set timeout 60
+
+spawn socat unix-connect:vm/console -
+expect {
+  "root@liminix blah blah > " { exit 0 }
+  timeout { exit 1 }
+}

tests/custom-shell/configuration.nix

@@ -0,0 +1,13 @@
+{ config, pkgs, lib, ... } :
+let
+  inherit (pkgs.liminix.networking) interface address hostapd route dnsmasq;
+  inherit (pkgs.liminix.services) oneshot longrun bundle target;
+in rec {
+  imports = [
+    ../../modules/network
+  ];
+
+  defaultProfile.prompt = "$(whoami)@$(hostname) blah blah > ";
+
+  defaultProfile.packages = with pkgs; [ ];
+}

tests/custom-shell/test.nix

@@ -0,0 +1,21 @@
+{
+  liminix
+, nixpkgs
+}:
+let img = (import liminix {
+      inherit nixpkgs;
+      device = import "${liminix}/devices/qemu/";
+      liminix-config = ./configuration.nix;
+    }).outputs.default;
+    pkgs = import nixpkgs { overlays = [(import ../../overlay.nix)]; };
+in pkgs.runCommand "check" {
+  nativeBuildInputs = with pkgs; [
+    expect socat
+  ] ;
+} ''
+. ${../test-helpers.sh}
+
+mkdir vm
+${img}/run.sh --background ./vm
+expect ${./check-prompt.expect} |tee output && mv output $out
+''