$ git clone -n https://src.fedoraproject.org/rpms/R-IRanges.git /var/lib/mock/f40-build-789271-135696/root/chroot_tmpdir/scmroot/R-IRanges
Cloning into '/var/lib/mock/f40-build-789271-135696/root/chroot_tmpdir/scmroot/R-IRanges'...
$ git fetch origin f7d9382bfe5b8f95e3de279601c78e3658dead49:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-IRanges
 * [new ref]         f7d9382bfe5b8f95e3de279601c78e3658dead49 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7d9382 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild