From 9d58eb47f2c888cee983b1cbe26b249d75d95a53 Mon Sep 17 00:00:00 2001
From: Ryan Burns <rburns@ganymede.caltech.edu>
Date: Sat, 19 Sep 2020 00:10:11 -0700
Subject: [PATCH] docker_18_09: fix build

The cross-compilation patch introduced in
https://github.com/NixOS/nixpkgs/pull/92140
fixes an issue introduced in Docker CE 19.03,
and will not apply to (and is not needed for)
previous versions.
---
 pkgs/applications/virtualization/docker/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/applications/virtualization/docker/default.nix b/pkgs/applications/virtualization/docker/default.nix
index 78d6631c2dc0..14cfa7b3120c 100644
--- a/pkgs/applications/virtualization/docker/default.nix
+++ b/pkgs/applications/virtualization/docker/default.nix
@@ -79,7 +79,7 @@ rec {
       sha256 = sha256;
     };
 
-    patches = [
+    patches = lib.optional (versionAtLeast version "19.03") [
       # Replace hard-coded cross-compiler with $CC
       (fetchpatch {
         url = https://github.com/docker/docker-ce/commit/2fdfb4404ab811cb00227a3de111437b829e55cf.patch;