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

SCRIPT_DIR="$( cd "$( dirname "${0}" )" && pwd -P)"; export SCRIPT_DIR
vendor_dir="./vendor/"

# We run dep install to and see if we have a diff afterwards
echo "checking ${vendor_dir} for unintentional changes..."

dep ensure -v
("${SCRIPT_DIR}"/prune-dep.sh)

# Let see if the working directory is clean
diffs="$(git status --porcelain -- ${vendor_dir} 2>/dev/null)"
if [[ "$diffs" ]]; then
    {
        echo "The result of 'dep ensure' for vendor directory '${vendor_dir}' differs"
        echo
        echo "$diffs"
        echo
        echo 'Please vendor your package(s) with dep.'
        echo
    } >&2
    exit 2
fi

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