feat: add ci

Signed-off-by: Brian McGee <[email protected]>

.github/workflows/ci.yaml

@@ -0,0 +1,27 @@
+name: "Nix CI"
+on: [push]
+jobs:
+
+  nix-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v24
+      - id: set-matrix
+        name: Generate Nix Matrix
+        run: |
+          set -Eeu
+          matrix="$(nix eval --json '.#githubActions.matrix')"
+          echo "matrix=$matrix" >> "$GITHUB_OUTPUT"
+
+  nix-build:
+    needs: nix-matrix
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix: ${{fromJSON(needs.nix-matrix.outputs.matrix)}}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v24
+      - run: nix build -Lv ".#${{ matrix.attr }}"

README.md

@@ -11,7 +11,7 @@
 I've been thinking about a clustered `systemctl` for a while now, and when I started digging into it recently I
 eventually ended up looking closely at [DBus](https://www.freedesktop.org/wiki/Software/dbus/).
 
-What I *want to achieve* is remotely monitor and manage multiple machines.
+What I _want to achieve_ is remotely monitor and manage multiple machines.
 
 I think DBus provides the underlying mechanism for this in the form of:
 
@@ -141,7 +141,7 @@ Signature: s
 
 ```terminal
 ❯ nats --context TestAdmin sub "dbus.signals.>"
-12:14:06 Subscribing on dbus.signals.> 
+12:14:06 Subscribing on dbus.signals.>
 [#1] Received on "dbus.signals.UBQUIKYGFC7CH5XMF52P2NN4ESI4XTXGAKT3WTG3XGU3352DMHGZQAX7._1_1.org.freedesktop.systemd1.unit.nscd_2eservice"
 Interface: org.freedesktop.DBus.Properties
 Member: PropertiesChanged

flake.nix

@@ -28,14 +28,6 @@
       inputs.nixpkgs.follows = "srvos/nixpkgs";
     };
     process-compose-flake.url = "github:Platonic-Systems/process-compose-flake";
-    harmonia = {
-      url = "github:nix-community/harmonia";
-      inputs = {
-        nixpkgs.follows = "srvos/nixpkgs";
-        flake-parts.follows = "flake-parts";
-        treefmt-nix.follows = "treefmt-nix";
-      };
-    };
     gomod2nix = {
       url = "github:nix-community/gomod2nix";
       inputs = {
@@ -56,6 +48,10 @@
       };
     };
     nix-filter.url = "github:numtide/nix-filter";
+    github-actions = {
+      url = "github:nix-community/nix-github-actions";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = inputs @ {

nix/checks.nix

@@ -1,4 +1,19 @@
-{lib, ...}: {
+{
+  lib,
+  self,
+  inputs,
+  ...
+}: {
+  flake.githubActions = let
+    platforms = {
+      "x86_64-linux" = ["ubuntu-latest"];
+    };
+  in
+    inputs.github-actions.lib.mkGithubMatrix {
+      inherit platforms;
+      checks = lib.getAttrs ["x86_64-linux"] self.checks;
+    };
+
   perSystem = {self', ...}: {
     checks = with lib; mapAttrs' (n: nameValuePair "package-${n}") self'.packages;
   };