$ git clone -n https://src.fedoraproject.org/rpms/kf5-kmediaplayer.git /var/lib/mock/f40-build-2165701-50976/root/chroot_tmpdir/scmroot/kf5-kmediaplayer
Cloning into '/var/lib/mock/f40-build-2165701-50976/root/chroot_tmpdir/scmroot/kf5-kmediaplayer'...
$ git fetch origin b447ac8eb9d6e74fb48fcb569c2a4d4f922ac874:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kmediaplayer
 * [new ref]         b447ac8eb9d6e74fb48fcb569c2a4d4f922ac874 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b447ac8 5.113.0