$ git clone -n https://src.fedoraproject.org/rpms/erlang-oauth.git /var/lib/mock/f45-build-8451-389/root/chroot_tmpdir/scmroot/erlang-oauth
Cloning into '/var/lib/mock/f45-build-8451-389/root/chroot_tmpdir/scmroot/erlang-oauth'...
$ git fetch origin b4cf272ac33e32a568ef8655bd71b16e2c1066ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-oauth
 * [new ref]         b4cf272ac33e32a568ef8655bd71b16e2c1066ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4cf272 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild