krew: init at 0.4.0

`krew` is the package manager for kubectl plugins.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

pkgs/development/tools/krew/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "krew";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "kubernetes-sigs";
+    repo = "krew";
+    rev = "v${version}";
+    sha256 = "1fcbpipnbms096c36b2z06ysfwyjj22lm1zd1r5xlv5gp24qimlv";
+  };
+
+  vendorSha256 = "1bmsjv5snrabd9h9szkpcl15rwxm54jgm361ghhy234d2s45c3gn";
+
+  subPackages = [ "cmd/krew" ];
+
+  meta = with stdenv.lib; {
+    description = "Package manager for kubectl plugins";
+    homepage = "https://github.com/kubernetes-sigs/krew";
+    maintainers = with maintainers; [ vdemeester ];
+    license = stdenv.lib.licenses.asl20;
+    platforms = platforms.unix;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -11541,6 +11541,9 @@ in
 
   khronos-ocl-icd-loader = callPackage ../development/libraries/khronos-ocl-icd-loader {  };
 
+
+  krew = callPackage ../development/tools/krew { };
+
   kube-aws = callPackage ../development/tools/kube-aws { };
 
   kubectx = callPackage ../development/tools/kubectx { };