$ git clone -n https://src.fedoraproject.org/rpms/golang-github-stomp.git /var/lib/mock/f41-build-side-1-3089595-39246/root/chroot_tmpdir/scmroot/golang-github-stomp
Cloning into '/var/lib/mock/f41-build-side-1-3089595-39246/root/chroot_tmpdir/scmroot/golang-github-stomp'...
$ git fetch origin df810865883aa9455c4e43fab8a3ec0cba40f41b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-stomp
 * [new ref]         df810865883aa9455c4e43fab8a3ec0cba40f41b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df81086 convert ASL 2.0 license to SPDX