$ git clone -n https://src.fedoraproject.org/rpms/golang-github-containerd-aufs.git /var/lib/mock/f41-build-side-1-2811791-32932/root/chroot_tmpdir/scmroot/golang-github-containerd-aufs
Cloning into '/var/lib/mock/f41-build-side-1-2811791-32932/root/chroot_tmpdir/scmroot/golang-github-containerd-aufs'...
$ git fetch origin 10a0db756557ec503ab2e205f310c2ab16de19b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-containerd-aufs
 * [new ref]         10a0db756557ec503ab2e205f310c2ab16de19b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10a0db7 convert ASL 2.0 license to SPDX