$ git clone -n https://src.fedoraproject.org/rpms/golang-github-cloudflare-golz4.git /var/lib/mock/f38-build-side-42-init-devel-1107746-30076/root/chroot_tmpdir/scmroot/golang-github-cloudflare-golz4
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1107746-30076/root/chroot_tmpdir/scmroot/golang-github-cloudflare-golz4'...
$ git fetch origin f02917ffbfdbf2ad424a43c20cb00c02e8763370:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-cloudflare-golz4
 * [new ref]         f02917ffbfdbf2ad424a43c20cb00c02e8763370 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f02917f Added the README