tvl-depot/tools/bin/__dispatch.sh
2019-12-14 17:53:33 +00:00

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#!/usr/bin/env bash
# This script dispatches invocations transparently to programs instantiated from
# Nix.
#
# To add a new tool, insert it into the case statement below by setting `attr`
# to the key in nixpkgs which represents the program you want to run.
set -ueo pipefail
readonly REPO_ROOT=$(dirname $0)/../..
readonly TARGET_TOOL=$(basename $0)
case "${TARGET_TOOL}" in
terraform)
attr="third_party.terraform-gcp"
;;
kontemplate)
attr="kontemplate"
;;
blog_cli)
attr="tools.blog_cli"
;;
stern)
attr="third_party.stern"
;;
kms_pass)
attr="tools.kms_pass"
;;
aoc2019)
attr="tools.aoc2019.${1}"
;;
rink)
attr="third_party.rink"
;;
*)
echo "The tool '${TARGET_TOOL}' is currently not installed in this repository."
exit 1
;;
esac
result=$(nix-build --no-out-link --attr "${attr}" "${REPO_ROOT}")
PATH="${result}/bin:$PATH"
exec "${TARGET_TOOL}" "${@}"