Flow performance degradation bisect scripts

Dockerfile.flowtype-dev

FROM ubuntu

WORKDIR /data

RUN apt-get update -y
RUN apt-get install -y git opam m4
RUN yes | opam init --comp 4.03.0
RUN git clone https://github.com/facebook/flow.git /data
RUN yes | opam update
RUN yes | opam pin add -n flowtype .
RUN echo 'eval $(opam config env)' >> /root/.profile

ADD ./entrypoint /usr/bin/entrypoint

VOLUME /artifacts

ENTRYPOINT [ "/usr/bin/entrypoint" ]

CMD [ "bash" ]

find-slow-flow.sh

#!/bin/bash

# Running this in the flow source directory, assumes a few things about the project we are running
# flow against.

set -e

REV="$(git rev-parse HEAD)"
echo $REV

if [ ! -f bin/flow-$REV ]; then
  docker run -v "$(pwd)/bin:/artifacts" -i flowtype-dev bash -c "git checkout $REV; opam install --yes --deps-only flowtype; make; cp bin/flow /artifacts/flow-$REV"
fi

cp bin/flow-$REV ../<my-project>
pushd ../<my-project>
START_TIME=$SECONDS
docker-compose run --rm --no-deps --entrypoint bash <my-project> -c "./flow-$REV check"
ELAPSED_TIME=$(($SECONDS - $START_TIME))
popd

if [ "$ELAPSED_TIME" -gt "30" ]; then
  echo "tooooooo slow: $ELAPSED_TIME"
  exit 1
else
  echo "ok: $ELAPSED_TIME"
  exit 0
fi