$ git clone -n https://src.fedoraproject.org/rpms/python-BTrees.git /var/lib/mock/f33-build-145343-42950/root/chroot_tmpdir/scmroot/python-BTrees
Cloning into '/var/lib/mock/f33-build-145343-42950/root/chroot_tmpdir/scmroot/python-BTrees'...
$ git reset --hard d2b80b0516fa5ef6e7b6d395337d2e65cf2eb5ce
HEAD is now at d2b80b0 Version 4.7.1. Use fc-match for a more robust approach to symlinking fonts.