$ git clone -n https://src.fedoraproject.org/rpms/bionetgen.git /var/lib/mock/f39-build-1446251-32671/root/chroot_tmpdir/scmroot/bionetgen
Cloning into '/var/lib/mock/f39-build-1446251-32671/root/chroot_tmpdir/scmroot/bionetgen'...
$ git fetch origin fde288b593428a89b149776fd1869c6c6eb06421:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bionetgen
 * [new ref]         fde288b593428a89b149776fd1869c6c6eb06421 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fde288b Release 2.9.0