Class: MobyUtil::GemHelper

Inherits:
Object show all
Defined in:
lib/tdriver/util/common/gem.rb

Class Method Summary collapse

Class Method Details

.create_build_files ⇒ Object 



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# File 'lib/tdriver/util/common/gem.rb', line 24

def self.create_build_files

  # Create build files. These are required, as RubyGems expects that external dependencies 
  # are built during the gem installation process and will not complete the installation 
  # if these files are missing.

  begin

    # remove following line when native extensions are supported by tdriver
    #raise LoadError

    # skip native extension build if running in java environment
    raise LoadError if MobyUtil::EnvironmentHelper.java?

    # skip also if windows env. until proper solution found how to compile in windows env.
    raise LoadError if MobyUtil::EnvironmentHelper.windows? 

    # makefile creation module
    require 'mkmf'
    
    # name of ruby native extension
    extension_name = 'tdriver/native_extensions'

    # destination
    dir_config( extension_name )

    # create makefile for implementation 
    create_makefile( extension_name )

  rescue Exception

    # create dummy makefile if building native extension fails or is not supported
    File.open( 'Makefile', 'w' ) { | f | f.write "all:\n\ninstall:\n\n" }

    if MobyUtil::EnvironmentHelper.windows? 

      File.open( 'nmake.bat', 'w') { |f| f.write "SET ERRORLEVEL=0" }
      File.open( 'make.bat', 'w') { |f| f.write "SET ERRORLEVEL=0" }
      File.open( 'extconf.dll', 'w' ) {}

    else

      File.open( 'make', 'w' ){ | f | f.write '#!/bin/sh'; f.chmod f.stat.mode | 0111; }
      File.open( 'extconf.so', 'w' ) {}

    end

  end

end

.grant_file_access_rights(folder, user_name = nil, user_group = nil) ⇒ Object 



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# File 'lib/tdriver/util/common/gem.rb', line 75

def self.grant_file_access_rights( folder, user_name = nil, user_group = nil )

  if MobyUtil::EnvironmentHelper.posix?

    # change folder ownership to user and add writing access to each file
    user_name = MobyUtil::EnvironmentHelper.user_name if user_name.nil?
    user_group = MobyUtil::EnvironmentHelper.user_group( user_name ) if user_group.nil?

    MobyUtil::EnvironmentHelper.change_file_ownership!( folder, user_name, user_group, true )

    `chmod -R u+w #{ folder }`

  end

end

.install(*parameters) {|parameters| ... } ⇒ Object

TODO: document

Yields:

  • (parameters)

Raises:

  • (ArgumentError) 


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# File 'lib/tdriver/util/common/gem.rb', line 92

def self.install( *parameters, &block )

  raise ArgumentError.new( "Target folder must be specified as first argument" ) if parameters.empty?

  yield( *parameters )

  MobyUtil::GemHelper.create_build_files

  MobyUtil::GemHelper.grant_file_access_rights( parameters.first )

end