pants_from_sources

#!/usr/bin/env bash
# Copyright 2020 Pants project contributors.
# Licensed under the Apache License, Version 2.0 (see LICENSE).

# Runs pants from sources.  Useful for debugging.
# Assumes you have the pantsbuild/pants repo checked out in a sibling dir of this dir,
# named 'pants' but overridable using PANTS_SOURCE.

set -euo pipefail

cd "$(git rev-parse --show-toplevel)"

PANTS_SOURCE="${PANTS_SOURCE:-../pants}"

# When running pants from sources you are likely to be modifying those sources, so
# you won't want pantsd running.  You can override this by setting ENABLE_PANTSD=true.
ENABLE_PANTSD="${ENABLE_PANTSD:-false}"

backend_packages=(
)

pythonpath=(
)

plugins=(
)

function string_list() {
  eval local -r list_variable="\${$1[@]}"

  echo -n "["
  for item in ${list_variable}; do
    echo -n "\"${item}\","
  done
  echo -n "]"
}

export PANTS_VERSION="$(cat "${PANTS_SOURCE}/src/python/pants/VERSION")"
export PANTS_PLUGINS="$(string_list plugins)"
export PANTS_PYTHONPATH="+$(string_list pythonpath)"
export PANTS_BACKEND_PACKAGES="+$(string_list backend_packages)"
export PANTS_PANTSD="${ENABLE_PANTSD}"
export no_proxy="*"

exec "${PANTS_SOURCE}/pants" "--no-verify-config" "$@"