entrypoint.sh

#!/bin/bash
set -eu;

##
## build command
##

COMMAND="hadolint"
if [[ -n "${PLUGIN_FORMAT:-}" ]]; then
	COMMAND="$COMMAND --format=$PLUGIN_FORMAT"
fi
if [[ -n "${PLUGIN_FAILURE_THRESHOLD:-}" ]]; then
	COMMAND="$COMMAND --failure-threshold=$PLUGIN_FAILURE_THRESHOLD"
else
	COMMAND="$COMMAND --failure-threshold=style"
fi
if [[ "${PLUGIN_STRICT_LABELS:-}" == "true" ]]; then
	COMMAND="$COMMAND --strict-labels"
fi
if [[ "${PLUGIN_VERBOSE:-}" == "true" ]]; then
	COMMAND="$COMMAND --verbose"
fi
if [[ "${PLUGIN_DISABLE_IGNORE_PRAGMA:-}" == "true" ]]; then
	COMMAND="$COMMAND --disable-ignore-pragmal"
fi
if [[ "${PLUGIN_NO_COLOR:-}" == "true" ]]; then
	COMMAND="$COMMAND --no-color"
fi
if [[ "${PLUGIN_NO_FAIL:-}" == "true" ]]; then
	COMMAND="$COMMAND --no-fail"
fi

# custom args, e.g. docker run --rm --volume=$(pwd):$(pwd) --workdir=$(pwd) --env=CI=test kokuwaio/hadolint --format=json
if [[ -n "${1:-}" ]]; then
	COMMAND="$COMMAND $*"
fi

##
## collect files
##

FILES=$(find "$(pwd)" -type f \
	\( -name 'Dockerfile' \
	-o -name 'Containerfile' \) \
	-not -path '*/node_modules/*')
if [[ ! "$FILES" ]]; then
	echo "No files found!"
	exit 1
fi
for FILE in ${FILES}; do
	COMMAND="$COMMAND \n $FILE"
done

##
## evecute command
##

if [[ -n "${CI:-}" ]]; then
	echo "$COMMAND"
else
	echo "${COMMAND//\\n/}"
fi
eval "${COMMAND//\\n/}"