parse_gitconfig

in files/gitlab-cookbooks/gitaly/libraries/gitaly.rb [139:220]
45 lines of code
6 McCabe index (conditional complexity)

    def parse_gitconfig
      
      
      return unless Gitlab['gitaly'].dig('configuration', 'git', 'config').nil?

      
      
      
      return if Gitlab['omnibus_gitconfig']['system'].nil?

      
      omnibus_gitconfig = Gitlab['omnibus_gitconfig']['system'].flat_map do |section, entries|
        entries.map do |entry|
          key, value = entry.split('=', 2)

          raise "Invalid entry detected in omnibus_gitconfig['system']: '#{entry}' should be in the form key=value" if key.nil? || value.nil?

          "#{section}.#{key.strip}=#{value.strip}"
        end
      end

      
      
      
      
      
      omnibus_gitconfig -= [
        'pack.threads=1',
        'receive.advertisePushOptions=true',
        'receive.fsckObjects=true',
        'repack.writeBitmaps=true',
        'transfer.hideRefs=^refs/tmp/',
        'transfer.hideRefs=^refs/keep-around/',
        'transfer.hideRefs=^refs/remotes/',
        'core.alternateRefsCommand="exit 0 #"',
        'core.fsyncObjectFiles=true',
        'fetch.writeCommitGraph=true'
      ]

      
      
      
      
      gitaly_gitconfig = omnibus_gitconfig.map do |config|
        
        section_subsection_and_key, value = config.split('=', 2)

        
        
        
        key, section_and_subsection = section_subsection_and_key.reverse.split('.', 2)
        key.reverse!

        
        
        section, subsection = section_and_subsection.reverse!.split(' ', 2)
        subsection&.gsub!(/\A"|"\Z/, '')

        
        
        
        { 'section' => section, 'subsection' => subsection, 'key' => key, 'value' => value }
      end

      return unless gitaly_gitconfig.any?

      tmp_source_hash = {
        configuration: {
          git: {
            config: gitaly_gitconfig.map do |entry|
              {
                key: [entry['section'], entry['subsection'], entry['key']].compact.join('.'),
                value: entry['value']
              }
            end
          }
        }
      }

      Chef::Mixin::DeepMerge.deep_merge!(tmp_source_hash, Gitlab['gitaly'])
    end