Join the channel on matrix.

To rebuild a package locally and check it matches the one from the binary cache you can use nix-build '<nixpkgs>' -A notion --check. This does not ‘actively’ vary the environment like reprotest does, but will catch basic reproducibility problems.

See for the status of our current milestone: building the nixos-unstable minimal and Gnome ISO’s reproducibly. More information on the problems listed there can be found on this pad.

Look for pull requests and issues around reproducible builds.

Look into trustix.

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