Class: Reservoir::Version

Inherits:
Object
  • Object
show all
Defined in:
lib/reservoir/version.rb,
lib/reservoir/version_arguments.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data = {}) ⇒ Version

Returns a new instance of Version.



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# File 'lib/reservoir/version.rb', line 9

def initialize(data = {})
  @caller = Caller.new(:remote_server => data[:remote_server], :remote_user => data[:remote_user])
  @success = false
end

Instance Attribute Details

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/reservoir/version.rb', line 7

def version
  @version
end

#version_info ⇒ Object

Returns the value of attribute version_info.



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# File 'lib/reservoir/version.rb', line 7

def version_info
  @version_info
end

#version_parts ⇒ Object

Returns the value of attribute version_parts.



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# File 'lib/reservoir/version.rb', line 7

def version_parts
  @version_parts
end

Class Method Details

.known_scripts ⇒ Object 



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# File 'lib/reservoir/version_arguments.rb', line 5

def self.known_scripts
  {
    "ruby" => "ruby --version",
  }
end

Instance Method Details

#go(script_name) ⇒ Object 



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# File 'lib/reservoir/version.rb', line 32

def go(script_name)
  @success = false
  possible_commands(script_name).each do |command|
    if @caller.go(command) && read(@caller.response)
      break
    end
  end
  @success
end

#possible_commands(script_name) ⇒ Object 



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# File 'lib/reservoir/version.rb', line 23

def possible_commands(script_name)
  return [] if script_name.nil? || script_name == ""
  known_scripts = Version.known_scripts[script_name]
  return [ known_scripts ] unless known_scripts.nil?
  all = ["--version","-version"].collect { |args| "#{script_name} #{args}"}
  all << "npm view #{script_name} | grep version:"
  all
end

#read(version_info) ⇒ Object 



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# File 'lib/reservoir/version.rb', line 46

def read(version_info)
  @version_info = version_info
  @version_parts = nil
  @version = nil
  @success = false
  
  major_minor_revision_match = /(\d*)\.(\d*)\.(\d*)/
  mmr_patchlevel_match = /(\d*)\.(\d*)\.(\d*).*(patchlevel)\s*(\d*)/
  rvm_match = /rvm\s*(\d*)\.(\d*)\.(\d*)/
  
  
  m = version_info.match(mmr_patchlevel_match)
  unless m.nil?
    @version_parts = [ m[1], m[2], m[3], m[5] ] 
    @version = @version_parts[0..2].join(".") + "-p" + m[5]
    @success = true
    return @success
  end
  
  if major_minor_revision(rvm_match)
    return @success
  end

  if major_minor_revision(major_minor_revision_match)
    return @success
  end
  
  @version_info = nil
  @success
end

#remote_server ⇒ Object 



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# File 'lib/reservoir/version.rb', line 18

def remote_server
  @caller.remote_server
end

#remote_user ⇒ Object 



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# File 'lib/reservoir/version.rb', line 14

def remote_user
  @caller.remote_user
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/reservoir/version.rb', line 42

def success?
  @success
end