feat: add buildkite pipeline (#1012)

flake.nix

@@ -129,6 +129,7 @@
   outputs = inputs @ {flake-parts, ...}:
     flake-parts.lib.mkFlake {inherit inputs;} {
       imports = [
+        ./flake/buildkite-pipeline.nix
         ./flake/devenv.nix
         ./flake/github-actions.nix
         ./flake/helper-packages.nix
@@ -139,4 +140,4 @@
       ];
       systems = ["x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin"];
     };
-}
+}

flake/buildkite-pipeline.nix

@@ -0,0 +1,58 @@
+{
+  withSystem,
+  lib,
+  self,
+  ...
+}: let
+  inherit (lib) mapAttrsToList filterAttrs hasPrefix filter elem;
+  defaultSkip = [
+    "container-"
+    "container-processes"
+    "container-shell"
+    "devenv-up"
+  ];
+  matrix = withSystem "x86_64-linux" (
+    ctx @ {pkgs, ...}: let
+      skip =
+        (mapAttrsToList (name: _: name) (filterAttrs (name: _: hasPrefix "images/" name) pkgs))
+        ++ defaultSkip;
+    in
+      filter (item: !(elem item skip)) (mapAttrsToList (name: _: name) ctx.config.packages)
+  );
+in {
+  flake = {
+    buildkite-pipeline = {
+      env = {
+        CACHE_NAME = "insane";
+        NIX_CONFIG = "accept-flake-config = true";
+      };
+      steps = [
+        {
+          group = ":broom: Linting and syntax checks";
+          key = "checks";
+          steps = [
+            {
+              label = ":nix: Lint";
+              command = "nix run .#world -- lint";
+            }
+            {
+              label = ":nix: Check";
+              command = "nix run .#world -- check";
+            }
+          ];
+        }
+        {
+          group = ":hammer_and_pick: Building packages";
+          key = "packages";
+          steps = [
+            {
+              label = ":nix: {{matrix}} build";
+              command = "nix build .#packages.x86_64-linux.{{matrix}} -L";
+              inherit matrix;
+            }
+          ];
+        }
+      ];
+    };
+  };
+}

flake/packages.nix

@@ -70,7 +70,7 @@
         in
           pkgs.writeShellApplication {
             name = "world";
-            runtimeInputs = with pkgs; [just nushell statix deadnix];
+            runtimeInputs = with pkgs; [just nushell statix deadnix cachix];
             text = ''
               just -f ${pkgs.replaceVars ../files/Justfile.template {
                 inherit upgrade build;