ew

#!/bin/bash
# Find the system earthly executable to fall back on.
EARTHLY=$(which earthly)
 
# Default names for things
EARTHLYW='earthlyw'
EARTHFILE='Earthfile'

EARTHLYW_FOUND=false
EARTHFILE_FOUND=false
 
CURR_PATH="${PWD}"
 
function error_exit() {
  echo "${@}" >&2
  exit 1
}
 
# First, search recursively upwards for an Earthfile.
until [[ "${CURR_PATH}" == "/" ]] || ${EARTHFILE_FOUND}; do
  if [[ -e "${CURR_PATH}/${EARTHFILE}" ]]; then
    EARTHFILE_FOUND=true
    EARTHFILE="${CURR_PATH}/${EARTHFILE}"
  else
    CURR_PATH=$(dirname "${CURR_PATH}")
  fi
done
 
# Fail fast if we don't find an Earthfile.
! ${EARTHFILE_FOUND} && error_exit "Unable to find a ${EARTHFILE} in any parent directory of ${PWD}."
 
# Search recursively upwards from the first-found Earthfile for a earthlyw.
until [[ "${CURR_PATH}" == "/" ]] || ${EARTHLYW_FOUND}; do
  if [[ -x "${CURR_PATH}/${EARTHLYW}" && ! -d "${CURR_PATH}/${EARTHLYW}" ]]; then
    EARTHLYW_FOUND=true
    # Prefer the earthly wrapper if one exists in this tree.
    EARTHLY="${CURR_PATH}/${EARTHLYW}"
  else 
    CURR_PATH=$(dirname "${CURR_PATH}")
  fi
done
 
# Select the right earthly or error out if no good options exist.
if ${EARTHLYW_FOUND}; then
  EARTHLY_TYPE="wrapper"
elif [[ -x ${EARTHLY} ]]; then
  EARTHLY_TYPE="executable"
  echo "There is no ${EARTHLYW} set up for this project. You may want to consider setting one up."
  echo "See: http://github.com/mortenlj/earthlyw"
else
  error_exit "Unable to find ${EARTHLYW} or a earthly executable installed and available on your path."
fi
 
# Say what we are gonna do, then do it.
VERSION="$(${EARTHLY} --version)"
echo -e "Using earthly ${EARTHLY_TYPE} at '${EARTHLY}' (${VERSION}) to run '${EARTHFILE}':\n"
cd "$(dirname "${EARTHFILE}")" && "${EARTHLY}" "${@}"