Reproduce

Exactly

nix \
    --extra-experimental-features nix-command \
    --extra-experimental-features flakes \
    --log-format raw-with-logs \
    build --no-link --print-out-paths 'git+ssh://git@github.com/NorfairKing/ical?ref=test%2Fhourly-frequency-does-not-crash&rev=eb39f4d58eb74fc59477663659ca6a7dc10484d4&shallow=1#checks.x86_64-linux.nixpkgs-25_11' \
    --print-build-logs

Locally

Must be run from repository root directory at commit eb39f4d5

nix \
    --extra-experimental-features nix-command \
    --extra-experimental-features flakes \
    --log-format raw-with-logs \
    build --no-link --print-out-paths .#checks.x86_64-linux.nixpkgs-25_11 \
    --print-build-logs

Feedback Loop

Must be run from repository root directory at commit eb39f4d5

nix run github:NorfairKing/feedback -- -- nix \
    --extra-experimental-features nix-command \
    --extra-experimental-features flakes \
    --log-format raw-with-logs \
    build --no-link --print-out-paths .#checks.x86_64-linux.nixpkgs-25_11 \
    --print-build-logs

Limitations

• No automatic upload to NixCI cache the NixCI staging cache
• No automatic substitution from NixCI cache the NixCI staging cache (may rebuild dependencies)