$ git clone -n https://src.fedoraproject.org/rpms/kf5-libgravatar.git /var/lib/mock/f39-build-2014767-45963/root/chroot_tmpdir/scmroot/kf5-libgravatar
Cloning into '/var/lib/mock/f39-build-2014767-45963/root/chroot_tmpdir/scmroot/kf5-libgravatar'...
$ git fetch origin 1aff788d7c081ac5fe6b0659dfa7ea477dc6c9ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libgravatar
 * [new ref]         1aff788d7c081ac5fe6b0659dfa7ea477dc6c9ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1aff788 23.08.3