shellspec/shellspec

#!/bin/sh -eu

: "${SHELLSPEC_DOCKER:=shellspec/shellspec}"
UID=$(id -u) GID=$(id -g)

case $(uname -r) in (*Microsoft*)
  PWD=$(wslpath -wa .)
  if [ "${PWD##[a-zA-Z]:[\\/]*}" ]; then
    echo "'$PWD' is not a valid Windows path" >&2
    exit 1
  fi
esac

docker_run() {
  docker run -it --rm --entrypoint=/shellspec-docker "$@"
}

# You can override docker_run() with initrc to changes options,
# pass environment variables, etc.
if [ -e .shellspec-docker/initrc ]; then
  . .shellspec-docker/initrc
fi

docker_run -u "$UID:$GID" -v "$PWD:/src" "$SHELLSPEC_DOCKER" "$@"