Add CI for nix commands

.github/workflows/test_nixos_full.yml

@@ -31,19 +31,28 @@ jobs:
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v4
-      - name: Use nix-env to install and run the hello package
+      - name: Modify configuration.nix to include test-asterinas
         run: |
-          make nixos NIXOS_DISK_SIZE_IN_MB=6144 NIXOS_TEST_COMMAND='nix-env -iA nixos.hello && hello' || true
-          make run_nixos || true
-          tail --lines 10 qemu.log | grep -q "^Hello, world!" || (echo "Test nix-env failed" && exit 1)
-          echo "Test nix-env succeeds!"
-      - name: Use nix-shell to install and run the hello package
+          sed -i "s/environment.systemPackages = with pkgs; \[ hello-asterinas \];/environment.systemPackages = with pkgs; \[ test-asterinas \];/" \
+            distro/etc_nixos/configuration.nix
+
+      - name: Test nix commands
         run: |
-          make nixos NIXOS_DISK_SIZE_IN_MB=6144 NIXOS_TEST_COMMAND='nix-shell -p hello --command hello' || true
+          make nixos NIXOS_DISK_SIZE_IN_MB=6144 NIXOS_TEST_COMMAND='test-nix-commands' || true
           make run_nixos || true
-          tail --lines 10 qemu.log | grep -q "^Hello, world!" || (echo "Test nix-shell failed" && exit 1)
-          echo "Test nix-shell succeeds!"
-  
+
+      - name: Check results
+        run: |
+          tail --lines 50 qemu.log | awk '
+          BEGIN { hello_count=0 } {
+            if ($0 ~ /^Hello, world!/) hello_count++
+          }
+          END {
+            if (hello_count == 4) exit 0
+            else exit 1
+          }' || (echo "Test nix commands failed" && exit 1)
+          echo "Test nix commands succeeds!"
+
   podman-test:
     runs-on: ubuntu-4-cores-150GB-ssd
     container:
@@ -52,13 +61,19 @@ jobs:
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v4
-      - name: Modify configuration.nix to include podman
+      - name: Modify configuration.nix to include test-asterinas and podman
         run: |
+          sed -i "s/environment.systemPackages = with pkgs; \[ hello-asterinas \];/environment.systemPackages = with pkgs; \[ test-asterinas \];/" \
+            distro/etc_nixos/configuration.nix
           sed -i 's/^[[:space:]]*# virtualisation\.podman\.enable = true;/  virtualisation.podman.enable = true;/' \
-          distro/etc_nixos/configuration.nix
+            distro/etc_nixos/configuration.nix
+
       - name: Run podman commands
         run: |
-          make nixos NIXOS_DISK_SIZE_IN_MB=8192 NIXOS_TEST_COMMAND='podman run docker.io/library/alpine:latest ls /etc' || true
+          make nixos NIXOS_DISK_SIZE_IN_MB=8192 NIXOS_TEST_COMMAND='test-podman' || true
           make run_nixos || true
+
+      - name: Check results
+        run: |
           tail --lines 50 qemu.log | grep -q "alpine-release" || (echo "Test podman failed" && exit 1)
           echo "Test podman succeeds!"

distro/aster_nixos_installer/templates/aster_configuration.nix

@@ -3,18 +3,18 @@
 { config, lib, pkgs, ... }: {
   # Imports all Nix files located under the 'modules' directory.
   #
-  # Each Nix file within the 'modules' directory contributes a specific part to the overall 'configuration.nix'. 
-  # For instance, 'core.nix' typically handles configurations 
+  # Each Nix file within the 'modules' directory contributes a specific part to the overall 'configuration.nix'.
+  # For instance, 'core.nix' typically handles configurations
   # related to the system's core functionalities and boot process.
-  # 
-  # To maintain modularity, 
-  # distinct aspects of the system's configuration 
-  # should be organized into separate Nix files under the 'modules' directory and subsequently imported here. 
-  # 
-  # If a module's content is optional, 
+  #
+  # To maintain modularity,
+  # distinct aspects of the system's configuration
+  # should be organized into separate Nix files under the 'modules' directory and subsequently imported here.
+  #
+  # If a module's content is optional,
   # its activation should be controlled by an enable/disable switch defined in the top-level 'configuration.nix'.
   #
-  # The content defined in these module files must adhere to the options permissible within 'configuration.nix'. 
+  # The content defined in these module files must adhere to the options permissible within 'configuration.nix'.
   # For a comprehensive list of available options,
   # please refer to https://search.nixos.org/options.
   imports = [
@@ -25,14 +25,15 @@
   ];
 
   # Overlays provide patches to 'nixpkgs' that enable these packages to run effectively on AsterNixOS.
-  # For details on the overlay file definition format, 
+  # For details on the overlay file definition format,
   # please refer to https://nixos.org/manual/nixpkgs/stable/#sec-overlays-definition.
   config.nixpkgs.overlays = [
-    (import ./overlays/hello-asterinas/default.nix)
     (import ./overlays/desktop/default.nix)
+    (import ./overlays/hello-asterinas/default.nix)
     (import ./overlays/podman/default.nix)
-    (import ./overlays/systemd/default.nix)
     (import ./overlays/switch-to-configuration-ng/default.nix)
+    (import ./overlays/systemd/default.nix)
+    (import ./overlays/test-asterinas/default.nix)
   ];
 
   # The Asterinas NixOS special options.

distro/etc_nixos/overlays/test-asterinas/default.nix

@@ -0,0 +1,13 @@
+final: prev: {
+  test-asterinas = prev.stdenv.mkDerivation {
+    name = "test-asterinas";
+    version = "0.1.0";
+
+    src = ./.;
+
+    installPhase = ''
+      install -m755 -D $src/test-nix-commands.sh $out/bin/test-nix-commands
+      install -m755 -D $src/test-podman.sh $out/bin/test-podman
+    '';
+  };
+}

distro/etc_nixos/overlays/test-asterinas/test-nix-commands.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+# Test nix-env
+nix-env -iA nixos.hello
+hello
+nix-env -e hello
+
+# Test nix-shell
+nix-shell -p hello --command hello
+
+# Test nix-build
+nix-build "<nixpkgs>" -A hello
+./result/bin/hello
+
+# Test nixos-rebuild
+sed -i "s/environment.systemPackages = with pkgs; \[ test-asterinas \];/environment.systemPackages = with pkgs; \[ test-asterinas hello \];/" \
+  /etc/nixos/configuration.nix
+nixos-rebuild test
+# Clean the hash cache to use the hello installed by nixos-rebuild
+hash -r
+hello

distro/etc_nixos/overlays/test-asterinas/test-podman.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+podman run docker.io/library/alpine:latest ls /etc