Set mtime to get more deterministic builds

2020-06-11 12:44:04 +12:00
parent 560201da66
commit 4e0109f873
2 changed files with 52 additions and 15 deletions
--- a/pkgs/build-support/docker/default.nix
+++ b/pkgs/build-support/docker/default.nix
@@ -752,8 +752,9 @@ rec {
          imageTag="${tag}"
        ''}

-        if [[ "$created" == "now" ]]; then
-            created="$(TZ=utc date --iso-8601="seconds")"
+        # convert "created" to iso format
+        if [[ "$created" != "now" ]]; then
+            created="$(date -Iseconds -d "$created")"
        fi

        # Create $maxLayers worth of Docker Layers, one layer per store path