time_run 'second notmuch new' 'notmuch new'
time_run 'dump *' 'notmuch dump > tags.out'
time_run 'restore *' 'notmuch restore < tags.out'
time_run 'second notmuch new' 'notmuch new'
time_run 'dump *' 'notmuch dump > tags.out'
time_run 'restore *' 'notmuch restore < tags.out'