$ git clone -n https://src.fedoraproject.org/rpms/R-dtplyr.git /var/lib/mock/f40-build-2323103-58698/root/chroot_tmpdir/scmroot/R-dtplyr
Cloning into '/var/lib/mock/f40-build-2323103-58698/root/chroot_tmpdir/scmroot/R-dtplyr'...
$ git fetch origin 8095aa3a56213f6794357236c30141fda4b0d0b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-dtplyr
 * [new ref]         8095aa3a56213f6794357236c30141fda4b0d0b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8095aa3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild