$ git clone -n https://src.fedoraproject.org/rpms/golang-github-dghubble-oauth1.git /var/lib/mock/f41-build-side-1-2805644-32865/root/chroot_tmpdir/scmroot/golang-github-dghubble-oauth1
Cloning into '/var/lib/mock/f41-build-side-1-2805644-32865/root/chroot_tmpdir/scmroot/golang-github-dghubble-oauth1'...
$ git fetch origin 541a1c957df677803e1ef150f9706a8770b5227c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-dghubble-oauth1
 * [new ref]         541a1c957df677803e1ef150f9706a8770b5227c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 541a1c9 Update to latest upstream release (closes rhbz#2151741)