$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jcmturner-aescts-2.git /var/lib/mock/f38-build-side-42-init-devel-1060303-29765/root/chroot_tmpdir/scmroot/golang-github-jcmturner-aescts-2
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1060303-29765/root/chroot_tmpdir/scmroot/golang-github-jcmturner-aescts-2'...
$ git fetch origin a44ef6ddbfc7b98052446dd7421baea771e52a6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jcmturner-aescts-2
 * [new ref]         a44ef6ddbfc7b98052446dd7421baea771e52a6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a44ef6d Added the README