jbox-web/redmine_git_hosting

# frozen_string_literal: true

require 'open3'

module RedmineGitHosting
  module Utils
    module Exec
      extend self

      # Executes the given command and a list of parameters on the shell
      # and returns the result.
      #
      # If the operation throws an exception or the operation yields a non-zero exit code
      # we rethrow a +GitoliteCommandException+ with a meaningful error message.
      def capture(command, args = [], **opts, &block)
        merge_output = opts.delete(:merge_output) { false }
        stdout, stderr, code = execute(command, args, **opts, &block)
        if code != 0
          error_msg = "Non-zero exit code #{code} for `#{command} #{args.join ' '}`"
          RedmineGitHosting.logger.debug error_msg
          raise RedmineGitHosting::Error::GitoliteCommandException.new(command, error_msg)
        end

        merge_output ? stdout + stderr : stdout
      end

      # Executes the given command and a list of parameters on the shell
      # and returns stdout, stderr, and the exit code.
      #
      # If the operation throws an exception or the operation we rethrow a
      # +GitoliteCommandException+ with a meaningful error message.
      def execute(command, args = [], **opts, &block)
        Open3.capture3(command, *args, **opts, &block)
      rescue StandardError => e
        error_msg = "Exception occured executing `#{command} #{args.join ' '}` : #{e.message}"
        RedmineGitHosting.logger.debug error_msg
        raise RedmineGitHosting::Error::GitoliteCommandException.new(command, error_msg)
      end
    end
  end
end