dockerTools.buildLayeredImage: fix image with only 2 layers

A test is also added to ensure an image with 2 layers can be built.
2020-01-30 21:09:44 +01:00
parent 8539d5f48f
commit 283bcc1003
3 changed files with 14 additions and 2 deletions
@@ -80,5 +80,8 @@ import ./make-test.nix ({ pkgs, ... }: {
      # This is to be sure the order of layers of the parent image is preserved
      $docker->succeed("docker run --rm  ${pkgs.dockerTools.examples.layersOrder.imageName} cat /tmp/layer2 | grep -q layer2");
      $docker->succeed("docker run --rm  ${pkgs.dockerTools.examples.layersOrder.imageName} cat /tmp/layer3 | grep -q layer3");
+
+      # Ensure image with only 2 layers can be loaded
+      $docker->succeed("docker load --input='${pkgs.dockerTools.examples.two-layered-image}'");
    '';
 })