$ git clone -n https://src.fedoraproject.org/rpms/R-diffobj.git /var/lib/mock/f33-build-129438-40690/root/chroot_tmpdir/scmroot/R-diffobj
Cloning into '/var/lib/mock/f33-build-129438-40690/root/chroot_tmpdir/scmroot/R-diffobj'...
$ git reset --hard 634ad67f8354523f53d4324e0d270cf9d3718e3c
HEAD is now at 634ad67 Merge branch 'f30'