lix/tests/functional/flakes/config.sh
Alois Wohlschlager a55112898e
libexpr/flake: allow automatic rejection of configuration options from flakes
The `allow-flake-configuration` option allows the user to control whether to
accept configuration options supplied by flakes. Unfortunately, setting this
to false really meant "ask each time" (with an option to remember the choice
for each specific option encountered). Let no mean no, and introduce (and
default to) a separate value for the "ask each time" behaviour.

Co-Authored-By: Jade Lovelace <lix@jade.fyi>
Change-Id: I7ccd67a95bfc92cffc1ebdc972d243f5191cc1b4
2024-06-30 19:28:14 +02:00

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source common.sh
cp ../simple.nix ../simple.builder.sh ../config.nix $TEST_HOME
cd $TEST_HOME
rm -f post-hook-ran
cat <<EOF > echoing-post-hook.sh
#!/bin/sh
echo "ThePostHookRan as \$0" > $PWD/post-hook-ran
EOF
chmod +x echoing-post-hook.sh
cat <<EOF > flake.nix
{
nixConfig.post-build-hook = ./echoing-post-hook.sh;
nixConfig.allow-dirty = false; # See #5621
outputs = a: {
packages.$system.default = import ./simple.nix;
};
}
EOF
# Without --accept-flake-config, the post hook should not run.
nix build < /dev/null
(! [[ -f post-hook-ran ]])
clearStore
# likewise with no-accept-flake-config
nix build --no-accept-flake-config
(! [[ -f post-hook-ran ]])
clearStore
nix build --accept-flake-config
test -f post-hook-ran || fail "The post hook should have ran"
# Make sure that the path to the post hook doesnt change if we change
# something in the flake.
# Otherwise the user would have to re-validate the setting each time.
mv post-hook-ran previous-post-hook-run
echo "# Dummy comment" >> flake.nix
clearStore
nix build --accept-flake-config
diff -q post-hook-ran previous-post-hook-run || \
fail "Both post hook runs should report the same filename"