$ git clone -n https://src.fedoraproject.org/rpms/pe-bear.git /var/lib/mock/f43-build-59113473-6571189/root/chroot_tmpdir/scmroot/pe-bear
Cloning into '/var/lib/mock/f43-build-59113473-6571189/root/chroot_tmpdir/scmroot/pe-bear'...
$ git fetch origin d1780feff4c4980de5f9df2ca2b971b714e43df5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pe-bear
 * [new ref]         d1780feff4c4980de5f9df2ca2b971b714e43df5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1780fe Updated to version 0.7.1.