$ git clone -n https://github.com/fedora-riscv/golang-github-lunixbochs-vtclean.git /var/lib/mock/f38-build-side-42-init-devel-893598-28545/root/chroot_tmpdir/scmroot/golang-github-lunixbochs-vtclean
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-893598-28545/root/chroot_tmpdir/scmroot/golang-github-lunixbochs-vtclean'...
$ git fetch origin 3d2683586940ac4cc2bdb59f719c4b5e38de938c:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/golang-github-lunixbochs-vtclean
 * [new ref]         3d2683586940ac4cc2bdb59f719c4b5e38de938c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d26835 Add source code tarball to repo.