#!/bin/sh
# script/lint: run golangci-lint, in Docker only. Builds the lint stage of
# the Dockerfile, whose build runs the linter, so a successful build is a
# clean lint. --no-cache because a cached build runs no linter. The image
# is removed afterwards, whatever the outcome.
set -eu

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"

main() {
    cd "$ROOT"
    # Tagged per run, so concurrent runs never remove each other's image.
    image="$("$SCRIPT_DIR/projectname")-lint:$$"
    # A failed build leaves no image, so there is nothing to remove then.
    trap 'docker image rm "$image" >/dev/null 2>&1 || true' EXIT INT TERM
    docker build --no-cache --target lint -t "$image" .
}

main "$@"