$ git clone -n https://src.fedoraproject.org/rpms/parsec-tool.git /var/lib/mock/f41-build-side-1-2787858-32629/root/chroot_tmpdir/scmroot/parsec-tool
Cloning into '/var/lib/mock/f41-build-side-1-2787858-32629/root/chroot_tmpdir/scmroot/parsec-tool'...
$ git fetch origin b30b0600f648f2fac41921c01d0be2aa4117a9db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/parsec-tool
 * [new ref]         b30b0600f648f2fac41921c01d0be2aa4117a9db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b30b060 convert license to SPDX