$ git clone -n https://src.fedoraproject.org/rpms/R-listenv.git /var/lib/mock/f45-build-6201-347/root/chroot_tmpdir/scmroot/R-listenv
Cloning into '/var/lib/mock/f45-build-6201-347/root/chroot_tmpdir/scmroot/R-listenv'...
$ git fetch origin 67ec32535bd269edee2ce1b55a6285b36c322c28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-listenv
 * [new ref]         67ec32535bd269edee2ce1b55a6285b36c322c28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67ec325 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild