nix-super/tests/functional/experimental-features.sh

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#!/usr/bin/env bash
source common.sh
skipTest "Nix Super"
# Skipping these two for now, because we actually *do* want flags and
# config settings to always show up in the manual, just be marked
# experimental. Will reenable once the manual generation takes advantage
# of the JSON metadata on this.
#
# # Without flakes, flake options should not show up
# # With flakes, flake options should show up
#
# function grep_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
# grep_both_ways show-config
#
# # Medium case, the configuration effects --help
# grep_both_ways store gc --help
# Test settings that are gated on experimental features; the setting is ignored
# with a warning if the experimental feature is not enabled. The order of the
# `setting = value` lines in the configuration should not matter.
# 'flakes' experimental-feature is disabled before, ignore and warn
NIX_CONFIG='
experimental-features = nix-command
accept-flake-config = true
' expect 1 nix config show accept-flake-config 1>"$TEST_ROOT"/stdout 2>"$TEST_ROOT"/stderr
[[ $(cat "$TEST_ROOT/stdout") = '' ]]
grepQuiet "Ignoring setting 'accept-flake-config' because experimental feature 'flakes' is not enabled" "$TEST_ROOT/stderr"
grepQuiet "error: could not find setting 'accept-flake-config'" "$TEST_ROOT/stderr"
# 'flakes' experimental-feature is disabled after, ignore and warn
NIX_CONFIG='
accept-flake-config = true
experimental-features = nix-command
' expect 1 nix config show accept-flake-config 1>"$TEST_ROOT"/stdout 2>"$TEST_ROOT"/stderr
[[ $(cat "$TEST_ROOT/stdout") = '' ]]
grepQuiet "Ignoring setting 'accept-flake-config' because experimental feature 'flakes' is not enabled" "$TEST_ROOT/stderr"
grepQuiet "error: could not find setting 'accept-flake-config'" "$TEST_ROOT/stderr"
# 'flakes' experimental-feature is enabled before, process
NIX_CONFIG='
experimental-features = nix-command flakes
accept-flake-config = true
' nix config show accept-flake-config 1>"$TEST_ROOT"/stdout 2>"$TEST_ROOT"/stderr
grepQuiet "true" "$TEST_ROOT/stdout"
grepQuietInverse "Ignoring setting 'accept-flake-config'" "$TEST_ROOT/stderr"
# 'flakes' experimental-feature is enabled after, process
NIX_CONFIG='
accept-flake-config = true
experimental-features = nix-command flakes
' nix config show accept-flake-config 1>"$TEST_ROOT"/stdout 2>"$TEST_ROOT"/stderr
grepQuiet "true" "$TEST_ROOT/stdout"
grepQuietInverse "Ignoring setting 'accept-flake-config'" "$TEST_ROOT/stderr"
function exit_code_both_ways {
expect 1 nix --experimental-features 'nix-command' "$@" 1>/dev/null
nix --experimental-features 'nix-command flakes' "$@" 1>/dev/null
# Also, the order should not matter
expect 1 nix "$@" --experimental-features 'nix-command' 1>/dev/null
nix "$@" --experimental-features 'nix-command flakes' 1>/dev/null
}
exit_code_both_ways show-config --flake-registry 'https://no'
# Double check these are stable
nix --experimental-features '' --help 1>/dev/null
nix --experimental-features '' doctor --help 1>/dev/null
nix --experimental-features '' repl --help 1>/dev/null
nix --experimental-features '' upgrade-nix --help 1>/dev/null
# 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' "$arg" --help 1>/dev/null
expect 1 nix --experimental-features '' "$arg" --help 1>/dev/null
done