$ git clone -n https://src.fedoraproject.org/rpms/R-xml2.git /var/lib/mock/f41-build-821420-152537/root/chroot_tmpdir/scmroot/R-xml2
Cloning into '/var/lib/mock/f41-build-821420-152537/root/chroot_tmpdir/scmroot/R-xml2'...
$ git fetch origin 6355ee7205e6e5c0334d26b44988e44acbaa4075:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-xml2
 * [new ref]         6355ee7205e6e5c0334d26b44988e44acbaa4075 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6355ee7 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild