dockerTools.buildImage: configurable timestamp

This way not all images have to be from 47 years ago, making it much easier to find the one you're looking for.

1 files changed, 3 insertions, 1 deletions

diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix
index 6bc9b7475e1..a3a4b605a6d 100644
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -380,6 +380,8 @@ rec {
     runAsRoot ? null,
     # Size of the virtual machine disk to provision when building the image.
     diskSize ? 1024,
+    # Time of creation of the image.
+    created ? "1970-01-01T00:00:01Z",
   }:
 
     let
@@ -387,7 +389,7 @@ rec {
 
       # Create a JSON blob of the configuration. Set the date to unix zero.
       baseJson = writeText "${baseName}-config.json" (builtins.toJSON {
-        created = "1970-01-01T00:00:01Z";
+        created = created;
         architecture = "amd64";
         os = "linux";
         config = config;