set -e

export top_srcdir="@abs_top_srcdir@"
export top_builddir="@abs_top_builddir@"

export TOP=$(pwd)/..

export TEST_ROOT=$(pwd)/test-tmp
export NIX_STORE_DIR
if ! NIX_STORE_DIR=$(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=$TEST_ROOT/var/nix
export NIX_DB_DIR=$TEST_ROOT/db
export NIX_CONF_DIR=$TEST_ROOT/etc
export NIX_BIN_DIR=$TEST_ROOT/bin
export NIX_LIBEXEC_DIR=$TEST_ROOT/bin
export NIX_MANIFESTS_DIR=$TEST_ROOT/var/nix/manifests
export NIX_ROOT_FINDER=
export NIX_PATH=nix=$TOP/corepkgs
export SHARED=$TEST_ROOT/shared

export PATH=$NIX_BIN_DIR:$TOP/scripts:$PATH

export NIX_BUILD_HOOK=
export PERL=perl
export PERL5LIB=$TOP/perl/lib:$PERL5LIB
export NIX_BZIP2="@bzip2_bin_test@/bzip2"
if test "${NIX_BZIP2:0:1}" != "/"; then
    NIX_BZIP2=`pwd`/${NIX_BZIP2}
fi
export dot=@dot@
export xmllint="@xmllint@"
export xmlflags="@xmlflags@"
export xsltproc="@xsltproc@"
export sqlite3="@sqlite_bin@/bin/sqlite3"
export SHELL="@shell@"

export version=@version@
export system=@system@

readLink() {
    ls -l "$1" | sed 's/.*->\ //'
}

clearProfiles() {
    profiles="$NIX_STATE_DIR"/profiles
    rm -f $profiles/*
}

clearStore() {
    echo "clearing store..."
    chmod -R +w "$NIX_STORE_DIR"
    rm -rf "$NIX_STORE_DIR"
    mkdir "$NIX_STORE_DIR"
    rm -rf "$NIX_DB_DIR"
    mkdir "$NIX_DB_DIR"
    nix-store --init
    clearProfiles
    rm -f "$NIX_STATE_DIR"/gcroots/auto/*
    rm -f "$NIX_STATE_DIR"/gcroots/ref
}

clearManifests() {
    rm -f $NIX_STATE_DIR/manifests/*
}

startDaemon() {
    # Start the daemon, wait for the socket to appear.  !!!
    # ‘nix-worker’ should have an option to fork into the background.
    rm -f $NIX_STATE_DIR/daemon-socket/socket
    nix-worker --daemon &
    for ((i = 0; i < 30; i++)); do
        if [ -e $NIX_STATE_DIR/daemon-socket/socket ]; then break; fi
        sleep 1
    done
    pidDaemon=$!
    trap "kill -9 $pidDaemon" EXIT
    export NIX_REMOTE=daemon
}

killDaemon() {
    kill -9 $pidDaemon
    wait $pidDaemon || true
    trap "" EXIT
}

fail() {
    echo "$1"
    exit 1
}