ali_make_env

#!/usr/bin/env bash

[[ -z "${ALIBUILD_WORK_DIR}" ]] && { echo "ALIBUILD_WORK_DIR not defined"; exit 1; }
[[ ! -d "${ALIBUILD_WORK_DIR}" ]] && { echo "ALIBUILD_WORK_DIR not present"; exit 1; }
[[ ! -r "${ALIBUILD_WORK_DIR}" ]] && { echo "ALIBUILD_WORK_DIR not readable"; exit 1; }
[[ ! -w "${ALIBUILD_WORK_DIR}" ]] && { echo "ALIBUILD_WORK_DIR not writable"; exit 1; }

PKG="${1}"
shift

ALIENV_LOCAL="alienv printenv "
ALIENV_CVMFS="/cvmfs/alice.cern.ch/bin/alienv printenv "

# if package name have :: then its a cvmfs package 
[[ ${PKG} == *"::"* ]] && \
{ USE_CVMFS="yes"; CMD="${ALIENV_CVMFS}"; WORK_DIR="/cvmfs/alice.cern.ch"; } || \
{ USE_CVMFS=""; CMD="${ALIENV_LOCAL}"; WORK_DIR="${ALIBUILD_WORK_DIR}"; }

# check if alienv
if [[ -n "${USE_CVMFS}" ]]; then
    # use ls to trigger autofs
    ls /cvmfs/alice.cern.ch/bin/alienv &>/dev/null || { echo >&2 "cvmfs/alienv is not found"; exit 1; }
else
    hash alienv 2>/dev/null || { echo >&2 "alienv is not found"; exit 1; }
fi

ALIBUILD_ARCH_PREFIX="slc9_x86-64"
export ALIBUILD_ARCH_PREFIX WORK_DIR

HASH="$(echo ${PKG} | sha256sum -z | awk '{print $1}')"

# Load the ALICE software env in the script environment
echo "## ${PKG}" > ali_${HASH}.env
[[ -a "${USE_CVMFS}" ]]  && echo -ne "ALIBUILD_WORK_DIR=${ALIBUILD_WORK_DIR};export ALIBUILD_WORK_DIR;" >> ali_${HASH}.env
${CMD} ${PKG} 2>/dev/null >> ali_${HASH}.env