$ git clone -n https://src.fedoraproject.org/rpms/libmpdclient.git /var/lib/mock/f40-build-785665-134041/root/chroot_tmpdir/scmroot/libmpdclient
Cloning into '/var/lib/mock/f40-build-785665-134041/root/chroot_tmpdir/scmroot/libmpdclient'...
$ git fetch origin f1dcf3c10a0171f46147a82c1c4b8567453b98a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmpdclient
 * [new ref]         f1dcf3c10a0171f46147a82c1c4b8567453b98a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f1dcf3c Fix licenses.