nix-super/tests/functional/flakes/run.sh
Eelco Dolstra 05751de32b
Merge pull request #10931 from hercules-ci/test-run-and-shell-envs
Test the `run` and `shell` envs for stray variables
2024-07-17 21:21:14 +02:00

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#!/usr/bin/env bash
source ../common.sh
TODO_NixOS
clearStore
rm -rf $TEST_HOME/.cache $TEST_HOME/.config $TEST_HOME/.local
cp ../shell-hello.nix ../config.nix $TEST_HOME
cd $TEST_HOME
cat <<EOF > flake.nix
{
outputs = {self}: {
packages.$system.pkgAsPkg = (import ./shell-hello.nix).hello;
packages.$system.appAsApp = self.packages.$system.appAsApp;
apps.$system.pkgAsApp = self.packages.$system.pkgAsPkg;
apps.$system.appAsApp = {
type = "app";
program = "\${(import ./shell-hello.nix).hello}/bin/hello";
};
};
}
EOF
nix run --no-write-lock-file .#appAsApp
nix run --no-write-lock-file .#pkgAsPkg
! nix run --no-write-lock-file .#pkgAsApp || fail "'nix run' shouldnt accept an 'app' defined under 'packages'"
! nix run --no-write-lock-file .#appAsPkg || fail "elements of 'apps' should be of type 'app'"
# Test that we're not setting any more environment variables than necessary.
# For instance, we might set an environment variable temporarily to affect some
# initialization or whatnot, but this must not leak into the environment of the
# command being run.
env > $TEST_ROOT/expected-env
nix run -f shell-hello.nix env > $TEST_ROOT/actual-env
# Remove/reset variables we expect to be different.
# - PATH is modified by nix shell
# - _ is set by bash and is expected to differ because it contains the original command
# - __CF_USER_TEXT_ENCODING is set by macOS and is beyond our control
sed -i \
-e 's/PATH=.*/PATH=.../' \
-e 's/_=.*/_=.../' \
-e '/^__CF_USER_TEXT_ENCODING=.*$/d' \
$TEST_ROOT/expected-env $TEST_ROOT/actual-env
sort $TEST_ROOT/expected-env | uniq > $TEST_ROOT/expected-env.sorted
# nix run appears to clear _. I don't understand why. Is this ok?
echo "_=..." >> $TEST_ROOT/actual-env
sort $TEST_ROOT/actual-env | uniq > $TEST_ROOT/actual-env.sorted
diff $TEST_ROOT/expected-env.sorted $TEST_ROOT/actual-env.sorted
clearStore