$ git clone -n https://src.fedoraproject.org/rpms/R-lubridate.git /var/lib/mock/f40-build-800858-143656/root/chroot_tmpdir/scmroot/R-lubridate
Cloning into '/var/lib/mock/f40-build-800858-143656/root/chroot_tmpdir/scmroot/R-lubridate'...
$ git fetch origin 4b3c4e2102781ef4ce12ca58e54b12f6a2eae23b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-lubridate
 * [new ref]         4b3c4e2102781ef4ce12ca58e54b12f6a2eae23b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b3c4e2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild