build_minimal_windows_image.sh

#!/bin/bash

set -e
set -x

PYTHON_VERSION=$1

TEMP_FOLDER="$HOME/AppData/Local/Temp"
WHEEL_PATH=$(ls -d $TEMP_FOLDER/**/*/repaired_wheel/*)
WHEEL_NAME=$(basename $WHEEL_PATH)

cp $WHEEL_PATH $WHEEL_NAME

# Dot the Python version for identifying the base Docker image
PYTHON_DOCKER_IMAGE_PART=$(echo ${PYTHON_VERSION:0:1}.${PYTHON_VERSION:1:2})

if [[ "$CIBW_PRERELEASE_PYTHONS" =~ [tT]rue ]]; then
    PYTHON_DOCKER_IMAGE_PART="${PYTHON_DOCKER_IMAGE_PART}-rc"
fi

# We could have all of the following logic in a Dockerfile but it's a lot
# easier to do it in bash rather than figure out how to do it in Powershell
# inside the Dockerfile ...
DOCKER_IMAGE="winamd64/python:${PYTHON_DOCKER_IMAGE_PART}-windowsservercore"
MNT_FOLDER="C:/mnt"
CONTAINER_ID=$(docker run -it -v "$(cygpath -w $PWD):$MNT_FOLDER" -d $DOCKER_IMAGE)

function exec_inside_container() {
    docker exec $CONTAINER_ID powershell -Command $1
}

exec_inside_container "python -m pip install $MNT_FOLDER/$WHEEL_NAME"
exec_inside_container "python -m pip install $CIBW_TEST_REQUIRES"

# Save container state to scikit-learn/minimal-windows image. On Windows the
# container needs to be stopped first.
docker stop $CONTAINER_ID
docker commit $CONTAINER_ID scikit-learn/minimal-windows