$ git clone -n https://src.fedoraproject.org/rpms/player.git /var/lib/mock/f40-build-782672-132267/root/chroot_tmpdir/scmroot/player
Cloning into '/var/lib/mock/f40-build-782672-132267/root/chroot_tmpdir/scmroot/player'...
$ git fetch origin bf00d4419bb29da11e0479723ed6fbe16e93fe87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/player
 * [new ref]         bf00d4419bb29da11e0479723ed6fbe16e93fe87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf00d44 Fix FTBFS with -Werror=incompatible-pointer-types