$ git clone -n https://src.fedoraproject.org/rpms/kf5-libgravatar.git /var/lib/mock/f39-build-2323633-58718/root/chroot_tmpdir/scmroot/kf5-libgravatar
Cloning into '/var/lib/mock/f39-build-2323633-58718/root/chroot_tmpdir/scmroot/kf5-libgravatar'...
$ git fetch origin 617ce0cec25ef13f1788bfb6daae568083a71dbd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libgravatar
 * [new ref]         617ce0cec25ef13f1788bfb6daae568083a71dbd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 617ce0c 23.08.4