$ git clone -n https://src.fedoraproject.org/rpms/R-conflicted.git /var/lib/mock/f45-build-6035-345/root/chroot_tmpdir/scmroot/R-conflicted
Cloning into '/var/lib/mock/f45-build-6035-345/root/chroot_tmpdir/scmroot/R-conflicted'...
$ git fetch origin 085fced511217b94ba581140340da81ebfc75023:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-conflicted
 * [new ref]         085fced511217b94ba581140340da81ebfc75023 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 085fced Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild