set -eux

if [[ $(dirname "$(dirname "$(realpath "$SYSREPO_REPOSITORY_PATH")")") != "@CMAKE_CURRENT_BINARY_DIR@" ]]; then
    echo "\$SYSREPO_REPOSITORY_PATH is not inside the build dir! Aborting. ($SYSREPO_REPOSITORY_PATH)"
    exit 1
fi

if [[ -z "$SYSREPO_SHM_PREFIX" ]]; then
    echo '$SYSREPO_SHM_PREFIX is empty! Aborting.'
    exit 1
fi

BACKEND="$1"
shift
if [[ "$BACKEND" = "netconf" ]]; then
    # The `-f` argument is neccessary so that pkill matches the whole command
    # line, including stuff set by `exec -a`. Otherwise it matches the name in
    # /proc/{pid}/stat and that is usually limited to 15 characters, so
    # netopeer2-server appears as netopeer2-serve
    NETOPEER_PID="$(pgrep -f "${SYSREPO_SHM_PREFIX}_netopeer2-server")"
    pkill -f "${SYSREPO_SHM_PREFIX}_netopeer2-server"

    # Wait until netopeer actually exits, because I don't want to remove its repository/shm files while it is still
    # running.
    #
    # One would think, that this is a job for the `wait` command, but that one unfortunately only works for child
    # processes of the current shell. The `tail` command does implement this mechanism, so I can use that.
    # https://stackoverflow.com/a/41613532
    tail --pid="$NETOPEER_PID" -f /dev/null

    rm "$NETOPEER_SOCKET"
fi

rm -r "$SYSREPO_REPOSITORY_PATH"
rm -rf "/dev/shm/$SYSREPO_SHM_PREFIX"*