#!/usr/bin/env bash
set -o errexit
set -o pipefail
set -o nounset

SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"; export SCRIPTDIR
source "${SCRIPTDIR}/.validate"

vendor_dir="./vendor/"
IFS=$'\n' files=( $(validate_diff --diff-filter=ACMR --name-only -- ${vendor_dir} || true) )

if [[ ${#files[@]} -gt 0 ]]; then
    # We run glide install to and see if we have a diff afterwards
    echo "checking ${vendor_dir} for unintentional changes..."
    (
    "${SCRIPTDIR}/glide.sh" install
    )
    # Let see if the working directory is clean
    diffs="$(git status --porcelain -- ${vendor_dir} 2>/dev/null)"
    if [[ "$diffs" ]]; then
        {
            echo "The result of 'glide install' for vendor directory '${vendor_dir}' differs"
            echo
            echo "$diffs"
            echo
            echo 'Please vendor your package(s) with script/glide.sh.'
            echo
        } >&2
        exit 2
    fi
fi

echo 'Congratulations! All vendoring changes are done the right way.'