ktap: add v0.5-dev from git

Signed-off-by: Austin Seipp <aseipp@pobox.com>

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

@@ -0,0 +1,29 @@
+{ stdenv, fetchgit, kernel }:
+
+stdenv.mkDerivation rec {
+  name = "ktap-${version}";
+  version = "0.5-7ee59b19";
+  src = fetchgit {
+    url    = "https://github.com/ktap/ktap.git";
+    rev    = "7ee59b19d536fd3d3164ff0a0623faff827e5d97";
+    sha256 = "0a46836469d0afb088e72fd6310406a86c487d17bac40e390cec8bc869e7379c";
+  };
+
+  buildPhase = ''
+    make FFI=1 KERNEL_SRC=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build
+  '';
+
+  installPhase = ''
+    mkdir -p $out/sbin
+    cp ktap $out/sbin
+    make modules_install KERNEL_SRC=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build INSTALL_MOD_PATH=$out
+  '';
+
+  meta = {
+    description = "A lightweight script-based dynamic tracing tool for Linux.";
+    homepage    = "http://www.ktap.org";
+    platforms   = stdenv.lib.platforms.linux;
+    license     = stdenv.lib.licenses.gpl2;
+    maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -6823,6 +6823,8 @@ let
 
     frandom = callPackage ../os-specific/linux/frandom { };
 
+    ktap = callPackage ../os-specific/linux/ktap { };
+
     lttngModules = callPackage ../os-specific/linux/lttng-modules { };
 
     broadcom_sta = callPackage ../os-specific/linux/broadcom-sta/default.nix { };