load_env.sh
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#!/bin/bash
#
# Shared .env loader. Uses standard .env format:
# KEY=value
# KEY="value with spaces"
# KEY='value'
#
# Values with special chars (#, $, spaces) should be quoted in .env.
# Usage: source scripts/lib/load_env.sh && load_env_file /path/to/.env
#
load_env_file() {
local env_file="${1:-}"
[[ -z "${env_file}" || ! -f "${env_file}" ]] && return 0
while IFS= read -r line || [[ -n "${line}" ]]; do
line="${line%$'\r'}"
[[ -z "${line//[[:space:]]/}" ]] && continue
[[ "${line}" =~ ^[[:space:]]*# ]] && continue
[[ "${line}" != *=* ]] && continue
local key="${line%%=*}"
local value="${line#*=}"
key="${key#"${key%%[![:space:]]*}"}"
key="${key%"${key##*[![:space:]]}"}"
value="${value#"${value%%[![:space:]]*}"}"
value="${value%"${value##*[![:space:]]}"}"
# Strip surrounding quotes (standard .env behavior)
if [[ ${#value} -ge 2 ]]; then
local first="${value:0:1}"
local last="${value: -1}"
if [[ ("${first}" == '"' && "${last}" == '"') || ("${first}" == "'" && "${last}" == "'") ]]; then
value="${value:1:${#value}-2}"
fi
fi
# Safe export: %q produces shell-quoted string for values with spaces/special chars
eval "$(printf 'export %s=%q\n' "$key" "$value")"
done < "${env_file}"
}