powercap: init at 0.3.1

pkgs/os-specific/linux/powercap/default.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchFromGitHub, cmake }:
+
+stdenv.mkDerivation rec {
+  pname = "powercap";
+  version = "0.3.1";
+
+  src = fetchFromGitHub {
+    owner = "powercap";
+    repo = "powercap";
+    rev = "v${version}";
+    sha256 = "0f1sg1zsskcfralg9khwq7lmz25gvnyknza3bb0hmh1a9lw0jhdn";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS=On"
+  ];
+
+  meta = with lib; {
+    description = "Tools and library to read/write to the Linux power capping framework (sysfs interface)";
+    license = licenses.bsd3;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ rowanG077 ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -19429,6 +19429,8 @@ in
 
   power-calibrate = callPackage ../os-specific/linux/power-calibrate { };
 
+  powercap = callPackage ../os-specific/linux/powercap { };
+
   powerstat = callPackage ../os-specific/linux/powerstat { };
 
   smemstat = callPackage ../os-specific/linux/smemstat { };