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✏️ Editing: local.rb

##
# The local source finds gems in the current directory for fulfilling
# dependencies.

class Gem::Source::Local < Gem::Source

def initialize # :nodoc:
    @specs   = nil
    @api_uri = nil
    @uri     = nil
  end

##
  # Local sorts before Gem::Source and after Gem::Source::Installed

def <=> other
    case other
    when Gem::Source::Installed,
         Gem::Source::Lock then
      -1
    when Gem::Source::Local then
      0
    when Gem::Source then
      1
    else
      nil
    end
  end

def inspect # :nodoc:
    keys = @specs ? @specs.keys.sort : 'NOT LOADED'
    "#<%s specs: %p>" % [self.class, keys]
  end

def load_specs type # :nodoc:
    names = []

@specs = {}

Dir["*.gem"].each do |file|
      begin
        pkg = Gem::Package.new(file)
      rescue SystemCallError, Gem::Package::FormatError
        # ignore
      else
        tup = pkg.spec.name_tuple
        @specs[tup] = [File.expand_path(file), pkg]

case type
        when :released
          unless pkg.spec.version.prerelease?
            names << pkg.spec.name_tuple
          end
        when :prerelease
          if pkg.spec.version.prerelease?
            names << pkg.spec.name_tuple
          end
        when :latest
          tup = pkg.spec.name_tuple

cur = names.find { |x| x.name == tup.name }
          if !cur
            names << tup
          elsif cur.version < tup.version
            names.delete cur
            names << tup
          end
        else
          names << pkg.spec.name_tuple
        end
      end
    end

names
  end

def find_gem gem_name, version = Gem::Requirement.default, # :nodoc:
               prerelease = false
    load_specs :complete

found = []

@specs.each do |n, data|
      if n.name == gem_name
        s = data[1].spec

if version.satisfied_by?(s.version)
          if prerelease
            found << s
          elsif !s.version.prerelease?
            found << s
          end
        end
      end
    end

found.max_by { |s| s.version }
  end

def fetch_spec name # :nodoc:
    load_specs :complete

if data = @specs[name]
      data.last.spec
    else
      raise Gem::Exception, "Unable to find spec for #{name.inspect}"
    end
  end

def download spec, cache_dir = nil # :nodoc:
    load_specs :complete

@specs.each do |name, data|
      return data[0] if data[1].spec == spec
    end

raise Gem::Exception, "Unable to find file for '#{spec.full_name}'"
  end

def pretty_print q # :nodoc:
    q.group 2, '[Local gems:', ']' do
      q.breakable
      q.seplist @specs.keys do |v|
        q.text v.full_name
      end
    end
  end

end

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