$ git clone -n https://src.fedoraproject.org/rpms/python-sphinxcontrib-bibtex.git /var/lib/mock/f40-build-2232046-53320/root/chroot_tmpdir/scmroot/python-sphinxcontrib-bibtex
Cloning into '/var/lib/mock/f40-build-2232046-53320/root/chroot_tmpdir/scmroot/python-sphinxcontrib-bibtex'...
$ git fetch origin 68ae943f5e8701ffb44ae6ac0f6db62e2d88e9e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinxcontrib-bibtex
 * [new ref]         68ae943f5e8701ffb44ae6ac0f6db62e2d88e9e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68ae943 Version 2.6.2