$ git clone -n https://src.fedoraproject.org/rpms/kf5-ki18n.git /var/lib/mock/f40-build-786934-134632/root/chroot_tmpdir/scmroot/kf5-ki18n
Cloning into '/var/lib/mock/f40-build-786934-134632/root/chroot_tmpdir/scmroot/kf5-ki18n'...
$ git fetch origin ab3aca89faf04d6e2109f63e2e454ebde99b0213:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-ki18n
 * [new ref]         ab3aca89faf04d6e2109f63e2e454ebde99b0213 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab3aca8 5.115.1