$ git clone -n https://src.fedoraproject.org/rpms/R-processx.git /var/lib/mock/f33-build-510289-64504/root/chroot_tmpdir/scmroot/R-processx
Cloning into '/var/lib/mock/f33-build-510289-64504/root/chroot_tmpdir/scmroot/R-processx'...
$ git reset --hard dffcd5c544adf4722ebaf2a93f0acae6b0707d7f
HEAD is now at dffcd5c Update to latest version.