$ git clone -n https://src.fedoraproject.org/rpms/python-construct.git /var/lib/mock/f45-build-30155-643/root/chroot_tmpdir/scmroot/python-construct
Cloning into '/var/lib/mock/f45-build-30155-643/root/chroot_tmpdir/scmroot/python-construct'...
$ git fetch origin 1d13591c5076fc69609d2bc30ca2ff49a6b0b2d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-construct
 * [new ref]         1d13591c5076fc69609d2bc30ca2ff49a6b0b2d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d13591 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild