1 files changed, 35 insertions, 15 deletions

diff --git a/module.nix b/module.nix
index cf243f9..8ea5cb0 100644
--- a/module.nix
+++ b/module.nix
@@ -11,6 +11,7 @@ self: {
   inherit
     (lib)
     literalExpression
+    literalMd
     mdDoc
     mkOption
     types
@@ -20,6 +21,7 @@ self: {
     config,
     name,
     system,
+    pkgs,
     ...
   }: {
     options = {
@@ -34,6 +36,17 @@ self: {
         '';
       };
 
+      procRunner = mkOption {
+        type = types.package;
+        default = pkgs.overmind;
+        defaultText = literalMd "pkgs.overmind";
+        description = mdDoc ''
+          The Procfile runner to use. Officially supports: overmind, honcho.
+          If using an unsupported procRunner, the Procfile path will be passed as an argument to the procRunner.
+        '';
+        example = literalExpression "pkgs.honcho";
+      };
+
       package = mkOption {
         type = types.package;
         description = mdDoc "Final package containing runner for Procfile";
@@ -45,27 +58,34 @@ self: {
       package = self.lib.${system}.mkProcfileRunner {
         inherit name;
         procGroup = config.processes;
+        inherit (config) procRunner;
       };
     };
   };
 in {
   options = {
-    perSystem = mkPerSystemOption ({system, ...}: {
-      options.procfiles = mkOption {
-        type = types.attrsOf (types.submoduleWith {
-          modules = [procfileSubmodule];
-          specialArgs = {inherit system;};
-        });
+    perSystem = mkPerSystemOption ({
+      system,
+      pkgs,
+      ...
+    }: {
+      options = {
+        procfiles = mkOption {
+          type = types.attrsOf (types.submoduleWith {
+            modules = [procfileSubmodule];
+            specialArgs = {inherit system pkgs;};
+          });
 
-        default = {};
-        description = mdDoc "Attribute set containing procfile declarations";
-        example = literalExpression ''
-          {
-            daemons.processes = {
-              redis = lib.getExe' pkgs.redis "redis-server";
-          	};
-          }
-        '';
+          default = {};
+          description = mdDoc "Attribute set containing procfile declarations";
+          example = literalExpression ''
+            {
+              daemons.processes = {
+                redis = lib.getExe' pkgs.redis "redis-server";
+              };
+            }
+          '';
+        };
       };
     });
   };