From 10019ab87995ec72e62af95a8b056db9a2e8a341 Mon Sep 17 00:00:00 2001
From: Viktor Kronvall <viktor.kronvall@gmail.com>
Date: Wed, 7 Apr 2021 23:05:36 +0900
Subject: [PATCH] dockerTools: test that mergeImages preserves owner

---
 nixos/tests/docker-tools.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/nixos/tests/docker-tools.nix b/nixos/tests/docker-tools.nix
index 35b5504ea0fd..96662b4540cc 100644
--- a/nixos/tests/docker-tools.nix
+++ b/nixos/tests/docker-tools.nix
@@ -356,5 +356,13 @@ import ./make-test-python.nix ({ pkgs, ... }: {
         docker.succeed("docker run --rm ${examples.redis.imageName} redis-cli --version")
         docker.succeed("docker rmi ${examples.bashNoTag.imageName}:${examples.bashNoTag.imageTag}")
         docker.succeed("docker rmi ${examples.redis.imageName}")
+
+    with subtest("mergeImages preserves owners of the original images"):
+        docker.succeed(
+            "docker load --input='${examples.mergedBashFakeRoot}'"
+        )
+        docker.succeed(
+            "docker run --rm ${examples.layeredImageWithFakeRootCommands.imageName} sh -c 'stat -c '%u' /home/jane | grep -E ^1000$'"
+        )
   '';
 })