Class: VcsApp

Inherits:
Object
  • Object
show all
Defined in:
lib/vcs/app.rb

Overview

vcs: The version control system wrapper.

Vcs is a wrapper over any version control system.

Constant Summary collapse

@@parser = 
Vcs::OptParse.new

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(__file__, vcs_type = nil) ⇒ VcsApp

Returns a new instance of VcsApp.



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# File 'lib/vcs/app.rb', line 61

def initialize ( __file__, vcs_type=nil )
  @@path = __file__.to_path
  Vcs.default ||= vcs_type
end

Class Method Details

.all_vcs ⇒ Object 



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# File 'lib/vcs/app.rb', line 51

def all_vcs
  @@all_vcs.keys
end

.grab_all_vcs ⇒ Object 



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# File 'lib/vcs/app.rb', line 38

def grab_all_vcs
  @@all_vcs ||= {}

  if @@all_vcs.empty?
    ObjectSpace.each_object(Class) do |aClass|
      if aClass != Vcs and aClass.ancestors.include? Vcs
        name = aClass.to_s.demodulize.underscore.to_sym
        @@all_vcs[name] = aClass
      end
    end
  end
end

.requirements ⇒ Object 



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# File 'lib/vcs/app.rb', line 30

def requirements
  Pathname.glob("{#{vcs_dir},#{extension_dirs.join(',')}}/*.rb") do |file|
    next if file.to_s =~ /\/(app|opt_parse|vcs)\.rb$/
    logger.debug { file.basename.to_s } if require file.to_s
  end
  grab_all_vcs()
end

Instance Method Details

#grab_dirs(basename, dir = Pathname.pwd) ⇒ Object 



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# File 'lib/vcs/app.rb', line 66

def grab_dirs ( basename, dir=Pathname.pwd )
  results = []
  while not dir.root?
    path = dir + basename
    results << path if path.exist?
    dir = dir.parent
  end
  path = ENV['HOME'].to_path/basename
  results << path if path.exist? and not results.include? path
  results
end

#run ⇒ Object 



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# File 'lib/vcs/app.rb', line 93

def run
  vcs = nil
  begin
    user_configuration_setup()
    Vcs.logger.color = Vcs.color? { STDERR.tty? }
    vcs_extensions_setup()
    @@parser.parse! ARGV if Vcs.default.nil?
    if Vcs.default.nil?
      STDERR.puts @@parser
      STDERR.puts "
        |
        |Specify at least a Vcs type, or use a wrapped command
        |like svn, cvs, prcs in the vcs bin directory.
      ".head_cut!
      exit
    end
    vcs = @@all_vcs[Vcs.default.to_s.downcase.to_sym].new
    vcs.run_argv(ARGV)

  rescue SystemExit => ex
    raise ex
  rescue Exception => ex
    if vcs.nil?
      logger.error { "No Vcs instanciated" }
    else
      vcs.call_handlers
    end
    err = ex.to_s.sub(/\.$/, '')
    logger.debug { err = ex.long_pp ; "Backtrace enabled:" }
    err = ex.inspect if err.empty?
    logger.error { err }
    exit 1
  end
end

#user_configuration_setup ⇒ Object 



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# File 'lib/vcs/app.rb', line 87

def user_configuration_setup
  grab_dirs('.vcs').each do |vcs_user_conf|
    Vcs.merge_user_conf(vcs_user_conf)
  end
end

#vcs_extensions_setup ⇒ Object 



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# File 'lib/vcs/app.rb', line 78

def vcs_extensions_setup
  grab_dirs('vcs').each do |vcs_dir|
    vcs_dir = vcs_dir.expand_path
    vcs_dir.load_path!
    extension_dirs << vcs_dir
  end
  VcsApp.requirements()
end