Switch to overlay

README.md

@@ -1,3 +1,8 @@
 # nixuniverse
 
+## Quick start
+
+```
+nix-shell -E "with import <nixpkgs> { overlays = [ (import ./default.nix) ];}; mkShell { buildInputs = [ kaniko manifest-tool ]; }"
+```
 

default.nix

@@ -0,0 +1,4 @@
+self: super: {
+  kaniko = (import ./kaniko.nix) super;
+  manifest-tool = (import ./manifest-tool.nix) super;
+}

kaniko.nix

@@ -0,0 +1,24 @@
+pkgs:
+pkgs.buildGoModule rec {
+  pname = "kaniko";
+  version = "1.9.1";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "GoogleContainerTools";
+    repo = "kaniko";
+    rev = "v${version}";
+    sha256 = "sha256-TXgzO/NfLXVo5a7yyO3XYSk+9H1CwMF+vwbRx3kchQ8=";
+  };
+
+  vendorSha256 = null;
+
+  checkPhase = "true";
+
+  meta = with pkgs.lib; {
+    description =
+      "kaniko is a tool to build container images from a Dockerfile, inside a container or Kubernetes cluster.";
+    homepage = "https://github.com/GoogleContainerTools/kaniko";
+    license = licenses.asl20;
+    platforms = platforms.linux;
+  };
+}

manifest-tool.nix

@@ -0,0 +1,24 @@
+pkgs:
+pkgs.buildGoModule rec {
+  pname = "manifest-tool";
+  version = "2.0.5";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "estesp";
+    repo = "manifest-tool";
+    rev = "v${version}";
+    sha256 = "hjCGKnE0yrlnF/VIzOwcDzmQX3Wft+21KCny/opqdLg=";
+  } + "/v2";
+
+  vendorSha256 = null;
+
+  checkPhase = "true";
+
+  meta = with pkgs.lib; {
+    description =
+      "Command line tool to create and query container image manifest list/indexes";
+    homepage = "https://github.com/estesp/manifest-tool";
+    license = licenses.asl20;
+    platforms = platforms.linux;
+  };
+}