1 files changed, 37 insertions, 0 deletions
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..ad898a9
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,37 @@
+let
+  lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+  nixpkgs' = fetchTarball {
+    url = lock.nodes.nixpkgs.locked.url or "https://github.com/NixOS/nixpkgs/archive/${lock.nodes.nixpkgs.locked.rev}.tar.gz";
+    sha256 = lock.nodes.nixpkgs.locked.narHash;
+  };
+in
+  {
+    nixpkgs ?
+      import nixpkgs' {
+        config = {};
+        overlays = [];
+        inherit system;
+      },
+    system ? builtins.currentSystem,
+  }: let
+    pkgs = nixpkgs;
+    inherit (nixpkgs) lib;
+
+    toProcfile = procGroup:
+      lib.concatLines (
+        lib.mapAttrsToList (name: cmd: "${name}: ${cmd}") procGroup
+      );
+  in {
+    mkProcfileRunner = {
+      name,
+      procGroup,
+    }:
+      pkgs.writeShellApplication {
+        inherit name;
+        runtimeInputs = [pkgs.overmind];
+        text = ''
+          set -x
+          overmind start -f ${pkgs.writeText name (toProcfile procGroup)} --root "$PWD" "$@"
+        '';
+      };
+  }