$ git clone -n https://src.fedoraproject.org/rpms/mbuffer.git /var/lib/mock/f31-build-51008-27467/root/chroot_tmpdir/scmroot/mbuffer
Cloning into '/var/lib/mock/f31-build-51008-27467/root/chroot_tmpdir/scmroot/mbuffer'...
$ git reset --hard b65e9008386889d71cb31e0bc1fa762f606bb6ad
HEAD is now at b65e900 Merge branch 'master' of ssh://pkgs.fedoraproject.org/rpms/mbuffer