$ git clone -n https://src.fedoraproject.org/rpms/R-base64enc.git /var/lib/mock/f37-build-641360-71922/root/chroot_tmpdir/scmroot/R-base64enc
Cloning into '/var/lib/mock/f37-build-641360-71922/root/chroot_tmpdir/scmroot/R-base64enc'...
$ git reset --hard 4062f40552571bb993d6a5dfe6ecd7521687c14d
HEAD is now at 4062f40 R 4.2.1