ops: ci

ci.nix

@@ -0,0 +1,102 @@
+{ config, pkgs, lib, ... }: with pkgs; with lib; let
+  self = import ./.;
+  packages = self.packages.${pkgs.system};
+  artifactRoot = ".ci/artifacts";
+  artifacts = "${artifactRoot}/lib/gw2buttplug-rs*.dll";
+  release = "${artifactRoot}/lib/gw2buttplug-rs.dll";
+in
+{
+  config = {
+    name = "gw2buttplug-rs";
+    ci.gh-actions = {
+      enable = true;
+      export = true;
+    };
+    # TODO: add cachix
+    cache.cachix.example = {
+      enable = true;
+    };
+    channels = {
+      nixpkgs = {
+        # see https://github.com/arcnmx/nixexprs-rust/issues/10
+        args.config.checkMetaRecursively = false;
+        version = "22.11";
+      };
+    };
+    tasks = {
+      build.inputs = with packages; [ example ];
+      cache.inputs = with packages; [ example example.cargoArtifacts ];
+    };
+    jobs = {
+      main = {
+        tasks = {
+          build-windows.inputs = singleton packages.example;
+          build-windows-space.inputs = singleton packages.example;
+        };
+        artifactPackages = {
+          main = packages.example;
+        };
+      };
+    };
+
+    # XXX: symlinks are not followed, see https://github.com/softprops/action-gh-release/issues/182
+    #artifactPackage = config.artifactPackages.win64;
+    artifactPackage = runCommand "example-artifacts" { } (''
+      mkdir -p $out/lib
+      cp ${config.artifactPackages.main}/lib/gw2buttplug-rs.dll $out/lib/
+    '' + concatStringsSep "\n" (mapAttrsToList (key: addonPath: ''
+        cp ${addonPath}/lib/gw2buttplug-rs.dll $out/lib/nexus_example_addon-${key}.dll
+    '') config.artifactPackages));
+
+    gh-actions = {
+      jobs = mkIf (config.id != "ci") {
+        ${config.id} = {
+          permissions = {
+            contents = "write";
+          };
+          step = {
+            artifact-build = {
+              order = 1100;
+              name = "artifact build";
+              uses = {
+                # XXX: a very hacky way of getting the runner
+                inherit (config.gh-actions.jobs.${config.id}.step.ci-setup.uses) owner repo version;
+                path = "actions/nix/build";
+              };
+              "with" = {
+                file = "<ci>";
+                attrs = "config.jobs.${config.jobId}.artifactPackage";
+                out-link = artifactRoot;
+              };
+            };
+            artifact-upload = {
+              order = 1110;
+              name = "artifact upload";
+              uses.path = "actions/upload-artifact@v4";
+              "with" = {
+                name = "gw2buttplug-rs";
+                path = artifacts;
+              };
+            };
+            release-upload = {
+              order = 1111;
+              name = "release";
+              "if" = "startsWith(github.ref, 'refs/tags/')";
+              uses.path = "softprops/action-gh-release@v1";
+              "with".files = release;
+            };
+          };
+        };
+      };
+    };
+  };
+  options = {
+    artifactPackage = mkOption {
+      type = types.package;
+    };
+    artifactPackages = mkOption {
+      type = with types; attrsOf package;
+    };
+  };
+}
+