From 0a4c43065c5fe4bd599399c02321bb6dd39421af Mon Sep 17 00:00:00 2001
From: Antoine Eiche <lewo@abesis.fr>
Date: Tue, 25 Jul 2017 11:24:49 +0200
Subject: [PATCH] docker: do not import configuration and manifest from the
 base image

Fix #27632.
---
 pkgs/build-support/docker/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix
index 0d02897da74..0c85941b6a1 100644
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -435,6 +435,9 @@ rec {
         if [[ -n "$fromImage" ]]; then
           echo "Unpacking base image..."
           tar -C image -xpf "$fromImage"
+          # Do not import the base image configuration and manifest
+          rm -f image/*.json
+          rm -f image/manifest.json
 
           if [[ -z "$fromImageName" ]]; then
             fromImageName=$(jshon -k < image/repositories|head -n1)