$ git clone -n https://src.fedoraproject.org/rpms/R-fs.git /var/lib/mock/f33-build-377600-61815/root/chroot_tmpdir/scmroot/R-fs
Cloning into '/var/lib/mock/f33-build-377600-61815/root/chroot_tmpdir/scmroot/R-fs'...
$ git reset --hard 117e45ef3efc9c0bbe39f2b22d731b7aca2f38e5
HEAD is now at 117e45e Update to latest version.