$ git clone -n https://src.fedoraproject.org/rpms/CVector.git /var/lib/mock/f41-build-side-1-2630205-25598/root/chroot_tmpdir/scmroot/CVector
Cloning into '/var/lib/mock/f41-build-side-1-2630205-25598/root/chroot_tmpdir/scmroot/CVector'...
$ git fetch origin 8b92bb4165f3a3bca0161158ce909ba3110ead62:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/CVector
 * [new ref]         8b92bb4165f3a3bca0161158ce909ba3110ead62 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b92bb4 convert license to SPDX