$ git clone -n https://src.fedoraproject.org/rpms/tetex-dvipost.git /var/lib/mock/f41-build-side-1-2670569-29059/root/chroot_tmpdir/scmroot/tetex-dvipost
Cloning into '/var/lib/mock/f41-build-side-1-2670569-29059/root/chroot_tmpdir/scmroot/tetex-dvipost'...
$ git fetch origin 78eaa470d154ef254aef692ba6daf82940eee142:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tetex-dvipost
 * [new ref]         78eaa470d154ef254aef692ba6daf82940eee142 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78eaa47 convert GPLv2+ license to SPDX