From 9c02760855d8a33ca9c8915458bd9f1647d8e433 Mon Sep 17 00:00:00 2001
From: Graham Christensen <graham@grahamc.com>
Date: Mon, 16 Dec 2019 13:03:48 -0500
Subject: [PATCH] dockerTools.buildLayeredImage: update maxlayers from 24 to
 100 to match documentation

mkManyPureLayers already was changed, and this function was not updated.
---
 pkgs/build-support/docker/default.nix | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix
index 2a25ac04d40f..fba6b15d2384 100644
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -528,11 +528,9 @@ rec {
     created ? "1970-01-01T00:00:01Z",
     # Optional bash script to run on the files prior to fixturizing the layer.
     extraCommands ? "", uid ? 0, gid ? 0,
-    # Docker's lowest maximum layer limit is 42-layers for an old
-    # version of the AUFS graph driver. We pick 24 to ensure there is
-    # plenty of room for extension. I believe the actual maximum is
-    # 128.
-    maxLayers ? 24
+    # We pick 100 to ensure there is plenty of room for extension. I
+    # believe the actual maximum is 128.
+    maxLayers ? 100
   }:
     let
       baseName = baseNameOf name;