$ git clone -n https://src.fedoraproject.org/rpms/golang-github-iovisor-gobpf.git /var/lib/mock/f38-build-side-42-init-devel-1163673-30586/root/chroot_tmpdir/scmroot/golang-github-iovisor-gobpf
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1163673-30586/root/chroot_tmpdir/scmroot/golang-github-iovisor-gobpf'...
$ git fetch origin ea6c8208a4fbaa7c8d9ba5dde97a158558d137f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-iovisor-gobpf
 * [new ref]         ea6c8208a4fbaa7c8d9ba5dde97a158558d137f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea6c820 Initial import; Fixes: RHBZ#2208361