run_tests

#!/bin/bash
# vim: sw=4 ts=4 ft=perl

set -e

ME="${BASH_SOURCE[0]}"
mydir=$(cd $(dirname $ME) && pwd)
cd $mydir

container="robkinyon/net-curl-parallel-test"
# Broken:
# 5.10 and 5.12 don't build
#    Configure failed for Dist-Zilla-6.010.
all_versions="5.14 5.16 5.18 5.20 5.22 5.24 5.26"

# This is to handle GitBash's auto-mangling of path names when interacting
# with Docker. Without this, Docker cannot mount volumes properly.
export MSYS_NO_PATHCONV=1

# In Linux, files written within a container into a mounted volume are written
# as the root user, specifically id=0. This causes issues because those files
# have to be "sudo rm" to be removed.
# q.v. https://denibertovic.com/posts/handling-permissions-with-docker-volumes/
# for a deeper explanation and q.v. http://disq.us/p/1gy6ysh for how the
# following answer works.
# TODO: Make this work on OSX and Windows.
fix_for_root_user_in_container=""
#    -v /etc/group:/etc/group:ro -v /etc/passwd:/etc/passwd:ro
#    -u $(id -u):$(id -g)
#"

files_dirs_to_map=(
    lib t dist.ini
    .git README.md
)
volumes=(-v $(pwd)/.pause:/app/.pause)
for item in ${files_dirs_to_map[@]}; do
    volumes+=(-v $(pwd)/$item:/app/$item)
done

versions=${PERL_VERSIONS:-${all_versions}}
if [[ "$1" == "bash" ]]; then
    version="5.26"
    MSYS_NO_PATHCONV=1 \
    docker run \
        -it --rm \
        $fix_for_root_user_in_container \
        "${volumes[@]}" \
        ${container}:${version} \
            bash
elif [[ "$1" == "pull" ]]; then
    shift
    for version in ${versions}; do
        docker pull perl:${version}
    done
elif [[ "$1" == "build" ]]; then
    shift
    mkdir -p build_log
    for version in ${versions}; do
        echo "Running build for perl-${version}"
        set +e
        (
            cat Dockerfile.test | sed "s/{{version}}/${version}/" \
                > Dockerfile.${version}
            docker build -t ${container}:${version} -f Dockerfile.${version} .
            rm Dockerfile.${version}
        ) &>build_log/${version}.log
        set -e
    done
elif [[ "$1" == "test" ]]; then
    shift
    test_command="${@:-""}"
    for version in ${versions}; do
        echo "Running tests against perl-${version}"
        MSYS_NO_PATHCONV=1 \
        docker run \
            -it --rm \
            $fix_for_root_user_in_container \
            -e "NET_CURL_PARALLEL_NETWORK_TESTS=${NET_CURL_PARALLEL_NETWORK_TESTS:-1}" \
            -e "TEST_AUTHOR=${TEST_AUTHOR:-1}" \
            "${volumes[@]}" \
            ${container}:${version} \
                $test_command
    done
elif [[ "$1" == "cover" ]]; then
    shift
    for version in ${versions}; do
        echo "Running test coverage against perl-${version}"

        rm -rf cover_db cover_db_${version}
        mkdir cover_db

        MSYS_NO_PATHCONV=1 \
        docker run \
            -it --rm \
            $fix_for_root_user_in_container \
            -e "NET_CURL_PARALLEL_NETWORK_TESTS=${NET_CURL_PARALLEL_NETWORK_TESTS:-1}" \
            -e "TEST_AUTHOR=${TEST_AUTHOR:-1}" \
            "${volumes[@]}" \
            ${container}:${version} \
                cover

        mv cover_db cover_db_${version}
    done
elif [[ "$1" == "release" ]]; then
    shift

    if [[ ! -f "$HOME/.pause" ]]; then
        >&2 echo "No ~/.pause file found."
        exit 1
    fi

    # Because of an interaction between Docker-toolbox and Git-bash, we have to
    # copy the .pause here out of $HOME.
    cp "$HOME/.pause" .

    tag=5.26
    if [[ -z $(docker images -q ${container}:${tag}) ]]; then
        $ME build ${tag}
    fi

    docker run \
        --rm \
        "${volumes[@]}" \
        --entrypoint bash \
        ${container}:${tag} \
            -c "dzil release"
else
    >&2 echo "${ME}: <pull | build | test | unit integration | cover | release> [command]"
    exit 1
fi