$ git clone -n https://src.fedoraproject.org/rpms/golang-github-ipfs-ds-flatfs.git /var/lib/mock/f38-build-side-42-init-devel-1043574-29760/root/chroot_tmpdir/scmroot/golang-github-ipfs-ds-flatfs
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1043574-29760/root/chroot_tmpdir/scmroot/golang-github-ipfs-ds-flatfs'...
$ git fetch origin 4320b02f5b9338c0766c5580060055af42bda1fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-ipfs-ds-flatfs
 * [new ref]         4320b02f5b9338c0766c5580060055af42bda1fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4320b02 Added the README