$ git clone -n https://src.fedoraproject.org/rpms/python-slixmpp.git /var/lib/mock/f40-build-731044-103637/root/chroot_tmpdir/scmroot/python-slixmpp
Cloning into '/var/lib/mock/f40-build-731044-103637/root/chroot_tmpdir/scmroot/python-slixmpp'...
$ git reset --hard dd31219aa71b0f6e83a0f7942f1eadfd18f76cc6
HEAD is now at dd31219 Update to 1.8.4