$ git clone -n https://src.fedoraproject.org/rpms/kf5-libgravatar.git /var/lib/mock/f39-test-2571216-62244/root/chroot_tmpdir/scmroot/kf5-libgravatar
Cloning into '/var/lib/mock/f39-test-2571216-62244/root/chroot_tmpdir/scmroot/kf5-libgravatar'...
$ git fetch origin 7056e20da2559908fd1e85aaf7e24f478f9bb752:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libgravatar
 * [new ref]         7056e20da2559908fd1e85aaf7e24f478f9bb752 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7056e20 23.08.5