$ git clone -n https://src.fedoraproject.org/rpms/R-webutils.git /var/lib/mock/f40-build-2326352-58832/root/chroot_tmpdir/scmroot/R-webutils
Cloning into '/var/lib/mock/f40-build-2326352-58832/root/chroot_tmpdir/scmroot/R-webutils'...
$ git fetch origin 5cb0a1f95a35111d10e3d2cff37956a449a20998:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-webutils
 * [new ref]         5cb0a1f95a35111d10e3d2cff37956a449a20998 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cb0a1f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild