$ git clone -n https://src.fedoraproject.org/rpms/exaile.git /var/lib/mock/f45-build-8525-390/root/chroot_tmpdir/scmroot/exaile
Cloning into '/var/lib/mock/f45-build-8525-390/root/chroot_tmpdir/scmroot/exaile'...
$ git fetch origin 68a63e184db102f1e0bb20931dd0a34b9a4af970:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/exaile
 * [new ref]         68a63e184db102f1e0bb20931dd0a34b9a4af970 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68a63e1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild