netlifyDeploy: add flake-module

effects/netlify/flake-module.nix

@@ -0,0 +1,67 @@
+{ config, lib, withSystem, ... }:
+let
+  inherit (lib) mkOption types optionalAttrs mapAttrs;
+  cfg = config.netlify-deploy;
+in
+{
+  options.netlify-deploy = mkOption {
+    type = (types.attrsOf types.submodule {
+      options = {
+        enable = lib.mkEnableOption "On-push deployment to Netlify";
+
+        siteId = mkOption {
+          type = types.str;
+          description = ''
+            An opaque identifier assigned by Netlify to the website you wish to deploy.
+            See [docs.hercules-ci.com](https://docs.hercules-ci.com/hercules-ci-effects/reference/nix-functions/netlifydeploy/#param-name) on how to get the right siteId for your website from Netlify.
+          '';
+        };
+
+        secretName = mkOption {
+          type = types.str;
+          description = ''
+            The secret that will be looked up in [secrets.json](https://docs.hercules-ci.com/hercules-ci-agent/secrets-json).
+            This secret must hold the `secretField` field, ith a string value that is a Netlify personal access token.
+          '';
+        };
+
+        secretField = mkOption {
+          type = types.str;
+          default = "token";
+          description = "The name of the field inside the `secretName` secret which holds the Netlify personal access token.";
+        };
+
+        content = mkOption {
+          type = types.str;
+          description = ''
+            Path to the site content, also known as the Publish directory.
+            This includes files such as netlify.toml, _redirects, and all web resources, like index.html, style sheets, etc.
+            You will typically put a derivation here.
+          '';
+        };
+
+        productionDeployment = mkOption {
+          type = types.bool;
+          default = false;
+          description = "Whether this should be production deployment.";
+        };
+
+        extraDeployArgs = mkOption {
+          type = (types.listOf types.str);
+          default = [ ];
+          description = "Extra arguments to pass to the netlify deploy invocation.";
+        };
+      };
+    });
+  };
+
+  config = {
+    herculesCI.onPush.default.outputs.effects = {
+      netlify-deploy = mapAttrs
+        (name: siteCfg: optionalAttrs (siteCfg.enable) withSystem config.defaultEffectSystem ({ hci-effects, ... }:
+          hci-effects.netlifyDeploy { inherit (siteCfg) siteId secretName secretField content productionDeployment extraDeployArgs; }
+        ))
+        cfg;
+    };
+  };
+}

flake-module.nix

@@ -4,5 +4,6 @@
     ./flake-modules/herculesCI-attribute.nix
     ./flake-modules/herculesCI-helpers.nix
     ./effects/flake-update/flake-module.nix
+    ./effects/netlify/flake-module.nix
   ];
 }