$ git clone -n https://src.fedoraproject.org/rpms/COPASI.git /var/lib/mock/f38-build-side-42-init-devel-1072934-29789/root/chroot_tmpdir/scmroot/COPASI
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1072934-29789/root/chroot_tmpdir/scmroot/COPASI'...
$ git fetch origin 46ae610164dea5b17582d401b4eaf72f015ab643:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/COPASI
 * [new ref]         46ae610164dea5b17582d401b4eaf72f015ab643 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46ae610 Release 4.39 build-272