$ git clone -n https://src.fedoraproject.org/rpms/R-RcppCCTZ.git /var/lib/mock/f40-build-789282-135700/root/chroot_tmpdir/scmroot/R-RcppCCTZ
Cloning into '/var/lib/mock/f40-build-789282-135700/root/chroot_tmpdir/scmroot/R-RcppCCTZ'...
$ git fetch origin 8ee66ee61339b08ce30f7c18204c75c43ab68973:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-RcppCCTZ
 * [new ref]         8ee66ee61339b08ce30f7c18204c75c43ab68973 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ee66ee Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild