$ git clone -n https://src.fedoraproject.org/rpms/COPASI.git /var/lib/mock/f39-build-2531298-61806/root/chroot_tmpdir/scmroot/COPASI
Cloning into '/var/lib/mock/f39-build-2531298-61806/root/chroot_tmpdir/scmroot/COPASI'...
$ git fetch origin e8aae7772d3f5baf0124eee31190844bcd86da3c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/COPASI
 * [new ref]         e8aae7772d3f5baf0124eee31190844bcd86da3c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8aae77 Fix patch