$ git clone -n https://src.fedoraproject.org/rpms/golang-x-oauth2.git /var/lib/mock/f45-build-12805-443/root/chroot_tmpdir/scmroot/golang-x-oauth2
Cloning into '/var/lib/mock/f45-build-12805-443/root/chroot_tmpdir/scmroot/golang-x-oauth2'...
$ git fetch origin e6d1ba97054a0e7e6ac8868602d1609c09fb89e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-oauth2
 * [new ref]         e6d1ba97054a0e7e6ac8868602d1609c09fb89e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6d1ba9 Update to 0.36.0 upstream release