$ git clone -n https://src.fedoraproject.org/rpms/COPASI.git /var/lib/mock/f38-build-side-42-init-devel-1323466-30692/root/chroot_tmpdir/scmroot/COPASI
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1323466-30692/root/chroot_tmpdir/scmroot/COPASI'...
$ git fetch origin 6bd8553ed1f2fd7f6a587dc8ffe6ef9bc70a116d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/COPASI
 * [new ref]         6bd8553ed1f2fd7f6a587dc8ffe6ef9bc70a116d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bd8553 Release 4.39 build-278