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scripts/lib/load_env.sh 1.27 KB
c7e80cc2   tangwang   新的 .env 管理机制如下:
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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}"
  }