$ git clone -n https://src.fedoraproject.org/rpms/libkdegames.git /var/lib/mock/f39-build-1503603-34978/root/chroot_tmpdir/scmroot/libkdegames
Cloning into '/var/lib/mock/f39-build-1503603-34978/root/chroot_tmpdir/scmroot/libkdegames'...
$ git fetch origin f001064e1bf6a64b835a81648c1171e0053d683f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkdegames
 * [new ref]         f001064e1bf6a64b835a81648c1171e0053d683f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f001064 23.08.2