$ git clone -n https://src.fedoraproject.org/rpms/python-fireflyalgorithm.git /var/lib/mock/f39-build-1702976-41214/root/chroot_tmpdir/scmroot/python-fireflyalgorithm
Cloning into '/var/lib/mock/f39-build-1702976-41214/root/chroot_tmpdir/scmroot/python-fireflyalgorithm'...
$ git fetch origin 76b74b2cf85bfbc8d831592dea9d2758c1e31f77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fireflyalgorithm
 * [new ref]         76b74b2cf85bfbc8d831592dea9d2758c1e31f77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76b74b2 Update to 0.4.0