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-rw-r--r--tests/functional/experimental-features.sh86
1 files changed, 86 insertions, 0 deletions
diff --git a/tests/functional/experimental-features.sh b/tests/functional/experimental-features.sh
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+source common.sh
+
+# 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
+' nix show-config accept-flake-config 1>$TEST_ROOT/stdout 2>$TEST_ROOT/stderr
+grepQuiet "false" $TEST_ROOT/stdout
+grepQuiet "Ignoring setting 'accept-flake-config' because experimental feature 'flakes' is not enabled" $TEST_ROOT/stderr
+
+# 'flakes' experimental-feature is disabled after, ignore and warn
+NIX_CONFIG='
+ accept-flake-config = true
+ experimental-features = nix-command
+' nix show-config accept-flake-config 1>$TEST_ROOT/stdout 2>$TEST_ROOT/stderr
+grepQuiet "false" $TEST_ROOT/stdout
+grepQuiet "Ignoring setting 'accept-flake-config' because experimental feature 'flakes' is not enabled" $TEST_ROOT/stderr
+
+# 'flakes' experimental-feature is enabled before, process
+NIX_CONFIG='
+ experimental-features = nix-command flakes
+ accept-flake-config = true
+' nix show-config accept-flake-config 1>$TEST_ROOT/stdout 2>$TEST_ROOT/stderr
+grepQuiet "true" $TEST_ROOT/stdout
+grepQuietInverse "Ignoring setting 'accept-flake-config'" $TEST_ROOT/stderr
+
+# 'flakes' experimental-feature is enabled after, process
+NIX_CONFIG='
+ accept-flake-config = true
+ experimental-features = nix-command flakes
+' nix show-config accept-flake-config 1>$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