$ git clone -n https://src.fedoraproject.org/rpms/kaddressbook.git /var/lib/mock/f39-build-2217819-52566/root/chroot_tmpdir/scmroot/kaddressbook
Cloning into '/var/lib/mock/f39-build-2217819-52566/root/chroot_tmpdir/scmroot/kaddressbook'...
$ git fetch origin a43e0b5c3a2abec50691924e3f592358c89f8360:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kaddressbook
 * [new ref]         a43e0b5c3a2abec50691924e3f592358c89f8360 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a43e0b5 23.08.4