$ git clone -n https://src.fedoraproject.org/rpms/R-rle.git /var/lib/mock/f45-build-6371-348/root/chroot_tmpdir/scmroot/R-rle
Cloning into '/var/lib/mock/f45-build-6371-348/root/chroot_tmpdir/scmroot/R-rle'...
$ git fetch origin f6250ca5ae84d16a2eb8214c4e95f575e411e601:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rle
 * [new ref]         f6250ca5ae84d16a2eb8214c4e95f575e411e601 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6250ca Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild