$ git clone -n https://src.fedoraproject.org/rpms/kf5-libgravatar.git /var/lib/mock/f38-build-729614-101821/root/chroot_tmpdir/scmroot/kf5-libgravatar
Cloning into '/var/lib/mock/f38-build-729614-101821/root/chroot_tmpdir/scmroot/kf5-libgravatar'...
$ git fetch origin 63362e90cd4259b1f0dc16d3550f5767991b9708:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libgravatar
 * [new ref]         63362e90cd4259b1f0dc16d3550f5767991b9708 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63362e9 23.04.2