$ git clone -n https://src.fedoraproject.org/rpms/R-ps.git /var/lib/mock/f33-build-593641-66887/root/chroot_tmpdir/scmroot/R-ps
Cloning into '/var/lib/mock/f33-build-593641-66887/root/chroot_tmpdir/scmroot/R-ps'...
$ git reset --hard c634a19705d6b9f77cb18806c0803943f07439b2
HEAD is now at c634a19 Update to latest version.