$ git clone -n https://src.fedoraproject.org/rpms/R-xmlparsedata.git /var/lib/mock/f40-build-2270268-54801/root/chroot_tmpdir/scmroot/R-xmlparsedata
Cloning into '/var/lib/mock/f40-build-2270268-54801/root/chroot_tmpdir/scmroot/R-xmlparsedata'...
$ git fetch origin 519632788d9b74398687075e17982d4f752d7a02:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-xmlparsedata
 * [new ref]         519632788d9b74398687075e17982d4f752d7a02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5196327 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild