$ git clone -n https://src.fedoraproject.org/rpms/mysql8.0.git /var/lib/mock/f41-build-772621-13506/root/chroot_tmpdir/scmroot/mysql8.0
Cloning into '/var/lib/mock/f41-build-772621-13506/root/chroot_tmpdir/scmroot/mysql8.0'...
$ git fetch origin 6cd7eae323679b19065981465a2ba21f88385e67:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mysql8.0
 * [new ref]         6cd7eae323679b19065981465a2ba21f88385e67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cd7eae Upgrade to MySQL 8.0.37