$ git clone -n https://src.fedoraproject.org/rpms/kf5-kpackage.git /var/lib/mock/f40-build-1493334-23853/root/chroot_tmpdir/scmroot/kf5-kpackage
Cloning into '/var/lib/mock/f40-build-1493334-23853/root/chroot_tmpdir/scmroot/kf5-kpackage'...
$ git fetch origin f48ea928d02b7b231202f50e6989b96a9f4c38e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kpackage
 * [new ref]         f48ea928d02b7b231202f50e6989b96a9f4c38e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f48ea92 5.116.0