lix/tests/common.sh.in
regnat 5716345adf Add a test ensuring compatibility with an old daemon
This requires adding `nix` to its own closure which is a bit unfortunate,
but as it is optional (the test will be disabled if `OUTER_NIX` is unset) it
shouldn't be too much of an issue.

(Ideally this should go in another derivation so that we can build Nix and run
the test independently, but as the tests are running in the same derivation
as the build it's a bit complicated to do so).
2021-03-16 14:20:41 +01:00

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set -e
export TEST_ROOT=$(realpath ${TMPDIR:-/tmp}/nix-test)/${TEST_NAME:-default}
export NIX_STORE_DIR
if ! NIX_STORE_DIR=$(readlink -f $TEST_ROOT/store 2> /dev/null); then
# Maybe the build directory is symlinked.
export NIX_IGNORE_SYMLINK_STORE=1
NIX_STORE_DIR=$TEST_ROOT/store
fi
export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
export NIX_STATE_DIR=$TEST_ROOT/var/nix
export NIX_CONF_DIR=$TEST_ROOT/etc
export NIX_DAEMON_SOCKET_PATH=$TEST_ROOT/dSocket
unset NIX_USER_CONF_FILES
export _NIX_TEST_SHARED=$TEST_ROOT/shared
if [[ -n $NIX_STORE ]]; then
export _NIX_TEST_NO_SANDBOX=1
fi
export _NIX_IN_TEST=$TEST_ROOT/shared
export _NIX_TEST_NO_LSOF=1
export NIX_REMOTE=$NIX_REMOTE_
unset NIX_PATH
export TEST_HOME=$TEST_ROOT/test-home
export HOME=$TEST_HOME
unset XDG_CONFIG_HOME
unset XDG_CONFIG_DIRS
unset XDG_CACHE_HOME
mkdir -p $TEST_HOME
export PATH=@bindir@:$PATH
coreutils=@coreutils@
export dot=@dot@
export SHELL="@bash@"
export PAGER=cat
export busybox="@sandbox_shell@"
export version=@PACKAGE_VERSION@
export system=@system@
cacheDir=$TEST_ROOT/binary-cache
readLink() {
ls -l "$1" | sed 's/.*->\ //'
}
clearProfiles() {
profiles="$NIX_STATE_DIR"/profiles
rm -rf $profiles
}
clearStore() {
echo "clearing store..."
chmod -R +w "$NIX_STORE_DIR"
rm -rf "$NIX_STORE_DIR"
mkdir "$NIX_STORE_DIR"
rm -rf "$NIX_STATE_DIR"
mkdir "$NIX_STATE_DIR"
clearProfiles
}
clearCache() {
rm -rf "$cacheDir"
}
clearCacheCache() {
rm -f $TEST_HOME/.cache/nix/binary-cache*
}
startDaemon() {
# Start the daemon, wait for the socket to appear. !!!
# nix-daemon should have an option to fork into the background.
rm -f $NIX_STATE_DIR/daemon-socket/socket
${NIX_DAEMON_COMMAND:-nix daemon} &
for ((i = 0; i < 30; i++)); do
if [ -e $NIX_DAEMON_SOCKET_PATH ]; then break; fi
sleep 1
done
pidDaemon=$!
trap "kill -9 $pidDaemon" EXIT
export NIX_REMOTE=daemon
}
killDaemon() {
kill -9 $pidDaemon
wait $pidDaemon || true
trap "" EXIT
}
if [[ $(uname) == Linux ]] && [[ -L /proc/self/ns/user ]] && unshare --user true; then
_canUseSandbox=1
fi
canUseSandbox() {
if [[ ! $_canUseSandbox ]]; then
echo "Sandboxing not supported, skipping this test..."
return 1
fi
return 0
}
fail() {
echo "$1"
exit 1
}
expect() {
local expected res
expected="$1"
shift
set +e
"$@"
res="$?"
set -e
[[ $res -eq $expected ]]
}
set -x