-# Uninstall old llfuse (<1.0), because services/fuse "pip install"
-# won't upgrade it by default.
-if pip freeze | egrep '^llfuse==0'; then
- yes | pip uninstall 'llfuse<1.0'
-fi
+# We need an unreleased (as of 2017-08-17) llfuse bugfix, otherwise our fuse test suite deadlocks.
+pip freeze | grep -x llfuse==1.2.0 || (
+ set -e
+ yes | pip uninstall llfuse || true
+ cython --version || fatal "no cython; try sudo apt-get install cython"
+ cd "$temp"
+ (cd python-llfuse 2>/dev/null || git clone https://github.com/curoverse/python-llfuse)
+ cd python-llfuse
+ git checkout 620722fd990ea642ddb8e7412676af482c090c0c
+ git checkout setup.py
+ sed -i -e "s:'1\\.2':'1.2.0':" setup.py
+ python setup.py build_cython
+ python setup.py install --force
+) || fatal "llfuse fork failed"
+pip freeze | grep -x llfuse==1.2.0 || fatal "error: installed llfuse 1.2.0 but '$(pip freeze | grep llfuse)' ???"