dockerTools.pullImage: expose image* attributes (#41366)

Attributes `imageName` and `imageTag` are exposed if the image is
built by our Nix tools but not if the image is pulled. So, we expose
these attributes for convenience and homogeneity.

1 files changed, 2 insertions, 0 deletions

diff --git a/pkgs/build-support/docker/default.nix b/pkgs/build-support/docker/default.nix
index 0e10ba036a06..b01f0b722724 100644
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -47,6 +47,8 @@ rec {
     }:
 
     runCommand name {
+      inherit imageName imageDigest;
+      imageTag = finalImageTag;
       impureEnvVars = pkgs.stdenv.lib.fetchers.proxyImpureEnvVars;
       outputHashMode = "flat";
       outputHashAlgo = "sha256";