$ git clone -n https://src.fedoraproject.org/rpms/golang-google-genproto.git /var/lib/mock/f38-build-side-42-init-devel-579984-26030/root/chroot_tmpdir/scmroot/golang-google-genproto
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-579984-26030/root/chroot_tmpdir/scmroot/golang-google-genproto'...
$ git fetch origin 61950ff3aee56921ba6a701676670d47ae62a42d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-google-genproto
 * [new ref]         61950ff3aee56921ba6a701676670d47ae62a42d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61950ff Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild