Module: Gem

Defined in:
lib/gel/compatibility/rubygems.rb

Defined Under Namespace

Modules: Command Classes: Dependency, DependencyInstaller, Specification

Constant Summary collapse

Version = 
Gel::Support::GemVersion
Requirement = 
Gel::Support::GemRequirement
LoadError = 
Class.new(::LoadError)

Class Method Summary collapse

Class Method Details

.activate_bin_path(gem_name, bin_name, version = nil) ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 129

def self.activate_bin_path(gem_name, bin_name, version = nil)
  if gem_name == "bundler" && bin_name == "bundle"
    # Extra-special case: this is the bundler binstub, we need to
    # re-exec to hand over.

    ENV["RUBYLIB"] = Gel::Environment.original_rubylib
    exec RbConfig.ruby, "--", $0, *ARGV
  end

  if g = Gel::Environment.activated_gems[gem_name]
    Gel::Environment.gem g.name, version if version
  elsif g = Gel::Environment.find_gem(gem_name, *version) do |g|
      g.executables.include?(bin_name)
    end

    Gel::Environment.gem g.name, g.version
  elsif g = Gel::Environment.find_gem(gem_name, *version)
    raise "#{g.name} (#{g.version}) doesn't contain executable #{bin_name.inspect}"
  elsif version && Gel::Environment.find_gem(gem_name)
    raise "#{gem_name} (#{version}) not available"
  else
    raise "Unknown gem #{gem_name.inspect}"
  end

  Gel::Environment.find_executable(bin_name, g.name, g.version)
rescue => ex
  # This method may be our entry-point, if we're being invoked by a
  # rubygems binstub. Detect that situation, and provide nicer error
  # reporting.

  raise unless locations = caller_locations(2, 2)
  raise unless locations.size == 1
  raise unless path = locations.first.absolute_path
  raise unless File.exist?(path) && File.readable?(path)
  raise unless File.open(path, "rb") { |f| f.read(1024).include?("\n# This file was generated by RubyGems.\n") }

  require_relative "../command"
  Gel::Command.handle_error(ex)
end

.bin_path(gem_name, bin_name, version = nil) ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 169

def self.bin_path(gem_name, bin_name, version = nil)
  if g = Gel::Environment.activated_gems[gem_name]
    Gel::Environment.gem g.name, version if version

    Gel::Environment.find_executable(bin_name, g.name, g.version)
  elsif Gel::Environment.find_gem(gem_name)
    raise "Gem #{gem_name.inspect} is not active"
  else
    raise "Unknown gem #{gem_name.inspect}"
  end
end

.default_dir ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 125

def self.default_dir
  path.first
end

.find_files(pattern) ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 111

def self.find_files(pattern)
  Gel::Environment.store.each.
    flat_map(&:require_paths).
    flat_map { |dir| Dir[File.join(dir, pattern)] }
end

.loaded_specs ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 103

def self.loaded_specs
  result = {}
  Gel::Environment.activated_gems.each do |name, store_gem|
    result[name] = Gem::Specification.new(store_gem)
  end
  result
end

.path ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 121

def self.path
  Gel::Environment.store.paths
end

.refresh ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 117

def self.refresh
  # no-op
end

.ruby ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 95

def self.ruby
  RbConfig.ruby
end

.try_activate(file) ⇒ Object 



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# File 'lib/gel/compatibility/rubygems.rb', line 89

def self.try_activate(file)
  Gel::Environment.resolve_gem_path(file) != file
rescue LoadError
  false
end

.win_platform? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gel/compatibility/rubygems.rb', line 99

def self.win_platform?
  false
end