$ git clone -n https://src.fedoraproject.org/rpms/R-httpuv.git /var/lib/mock/f33-build-616363-67409/root/chroot_tmpdir/scmroot/R-httpuv
Cloning into '/var/lib/mock/f33-build-616363-67409/root/chroot_tmpdir/scmroot/R-httpuv'...
$ git reset --hard 0400aa236ace3b47b917b783504fcd20b8d6edd7
HEAD is now at 0400aa2 Update to latest version.