$ git clone -n https://src.fedoraproject.org/rpms/akregator.git /var/lib/mock/f39-build-2183508-51263/root/chroot_tmpdir/scmroot/akregator
Cloning into '/var/lib/mock/f39-build-2183508-51263/root/chroot_tmpdir/scmroot/akregator'...
$ git fetch origin a8480c19e8b22015d9e9ebc501ce9368523e659a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/akregator
 * [new ref]         a8480c19e8b22015d9e9ebc501ce9368523e659a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8480c1 23.08.4