$ git clone -n https://src.fedoraproject.org/rpms/R-testthat.git /var/lib/mock/f33-build-201321-48070/root/chroot_tmpdir/scmroot/R-testthat
Cloning into '/var/lib/mock/f33-build-201321-48070/root/chroot_tmpdir/scmroot/R-testthat'...
$ git reset --hard 47ecc32534ad124ca2b019b3a94cc7da58a3b9dd
HEAD is now at 47ecc32 2.3.2