Bash wrapper to invoke tflint docker container

tflint

#!/bin/bash -eu

DOCKER_IMAGE_NAME='tflint'

KeepEnvVars=( AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_REGION )

DockerArgs=()
CmdArgs=()
PwdMountFlags='ro'

while [[ "${1:-}" != "--" ]]; do
  case "${1:-.}" in
  --entrypoint)
    : "${2:?need an entrypoint}"
    DockerArgs+=("$1" "$2")
    shift 2
    ;;
  --entrypoint=*)
    DockerArgs+=("$1")
    shift
    ;;
  --)
    shift
    break
    ;;
  tflint:*)
    DOCKER_IMAGE_NAME="$1"
    shift
    ;;
  *)
    break
    ;;
  esac
done

DockerArgs+=(-v "$PWD:/data${PwdMountFlags:+:}${PwdMountFlags}")
if [[ -f "$HOME/.tflint.hcl" ]]; then
  DockerArgs+=(-v "$HOME/.tflint.hcl:/root/.tflint.hcl:ro")
fi

for propagate in "${KeepEnvVars[@]}"; do
  if [[ -n "${!propagate:-}" ]]; then
    DockerArgs+=(--env "$propagate")
  fi
done

[[ -z "${TFLINT_SEE_DOCKER_CMDLINE:-}" ]] || set -x

exec docker run -it --rm "${DockerArgs[@]}" "$DOCKER_IMAGE_NAME" "${CmdArgs[@]}" "$@"

# vim: set sw=2 et :