$ git clone -n https://src.fedoraproject.org/rpms/golang-github-task.git /var/lib/mock/f41-build-side-1-3084727-39067/root/chroot_tmpdir/scmroot/golang-github-task
Cloning into '/var/lib/mock/f41-build-side-1-3084727-39067/root/chroot_tmpdir/scmroot/golang-github-task'...
$ git fetch origin a01876fa53537cb42e85908bb0cf3b350058b857:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-task
 * [new ref]         a01876fa53537cb42e85908bb0cf3b350058b857 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a01876f drop ix86 arch (f) and updat compat naming (-L)