$ git clone -n https://src.fedoraproject.org/rpms/rpminspect.git /var/lib/mock/f42-build-862693-171018/root/chroot_tmpdir/scmroot/rpminspect
Cloning into '/var/lib/mock/f42-build-862693-171018/root/chroot_tmpdir/scmroot/rpminspect'...
$ git fetch origin e166fc2e8c8a1b613fa74d4ccb7cdd15768cffe0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpminspect
 * [new ref]         e166fc2e8c8a1b613fa74d4ccb7cdd15768cffe0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e166fc2 Bump release