$ git clone -n https://src.fedoraproject.org/rpms/golang-github-ipfs-blockservice.git /var/lib/mock/f38-build-side-42-init-devel-872310-28444/root/chroot_tmpdir/scmroot/golang-github-ipfs-blockservice
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-872310-28444/root/chroot_tmpdir/scmroot/golang-github-ipfs-blockservice'...
$ git fetch origin e668ddcaf52d1597fe4e2dd3f7e06080f0babbb2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-ipfs-blockservice
 * [new ref]         e668ddcaf52d1597fe4e2dd3f7e06080f0babbb2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e668ddc Added the README