lix/tests/experimental-features.sh

source common.sh

# Without flakes, flake options should not show up
# With flakes, flake options should show up

function both_ways {
    nix --experimental-features 'nix-command' "$@" | grepQuietInverse flake
    nix --experimental-features 'nix-command flakes' "$@" | grepQuiet flake

    # Also, the order should not matter
    nix "$@" --experimental-features 'nix-command' | grepQuietInverse flake
    nix "$@" --experimental-features 'nix-command flakes' | grepQuiet flake
}

# Simple case, the configuration effects the running command
both_ways show-config

# Complicated case, earlier args effect later args

both_ways store gc --help

expect 1 nix --experimental-features 'nix-command' show-config --flake-registry 'https://no'
nix --experimental-features 'nix-command flakes' show-config --flake-registry 'https://no'

# Double check this is stable
nix --experimental-features '' --help

# These 3 arguments are currently given to all commands, which is wrong (as not
# all care). To deal with fixing later, we simply make them require the
# nix-command experimental features --- it so happens that the commands we wish
# stabilizing to do not need them anyways.
for arg in '--print-build-logs' '--offline' '--refresh'; do
    nix --experimental-features 'nix-command' "$arg" --help
    ! nix --experimental-features '' "$arg" --help
done