$ git clone -n https://src.fedoraproject.org/rpms/libao.git /var/lib/mock/f41-build-705891-13001/root/chroot_tmpdir/scmroot/libao
Cloning into '/var/lib/mock/f41-build-705891-13001/root/chroot_tmpdir/scmroot/libao'...
$ git fetch origin d933b746f0b160840d049ad816b16c0080a521ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libao
 * [new ref]         d933b746f0b160840d049ad816b16c0080a521ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d933b74 Eliminate use of obsolete %patchN syntax (#2283636)