$ git clone -n https://src.fedoraproject.org/rpms/R-data.table.git /var/lib/mock/f41-build-840027-160495/root/chroot_tmpdir/scmroot/R-data.table
Cloning into '/var/lib/mock/f41-build-840027-160495/root/chroot_tmpdir/scmroot/R-data.table'...
$ git fetch origin bd25b36c6ce27076dc6007e042736ca6e38a6930:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-data.table
 * [new ref]         bd25b36c6ce27076dc6007e042736ca6e38a6930 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd25b36 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild