$ git clone -n https://src.fedoraproject.org/rpms/kf5-libksieve.git /var/lib/mock/f40-build-787112-134734/root/chroot_tmpdir/scmroot/kf5-libksieve
Cloning into '/var/lib/mock/f40-build-787112-134734/root/chroot_tmpdir/scmroot/kf5-libksieve'...
$ git fetch origin ad45aadbf8eff6b08d17854d8e572191ef973c93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libksieve
 * [new ref]         ad45aadbf8eff6b08d17854d8e572191ef973c93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad45aad 23.08.5