Class: RuPac::Pacman

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

Overview

Base class from which any class that calls pacman directly decends from

Constant Summary collapse

@@force = 
"no"
@@nodeps = 
"no"
@@verbose = 
"no"
@@lock = 
"no"
@@lockerror = 
"There is already another instance of pacman
running"

Instance Method Summary collapse

Constructor Details

#initialize(rootneeded) ⇒ Pacman

Constructor. Needs rootneeded passed (yes or no)



22
23
24
25
 
# File 'lib/rupac.rb', line 22

def initialize( rootneeded )
  @rootneeded = rootneeded
  @command = "pacman -"
end

Instance Method Details

#exec(finalCommand) ⇒ Object

exec Method

Runs the final pacman command assembled by the subclasses
Returns True if it fired off successfully
Raises an exception if the command needed root and the UID
isn't root's
Raises SystemCallError if the command won't execute
Raises an exception if the command didn't exit cleanly



81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
 
# File 'lib/rupac.rb', line 81

def exec( finalCommand )
  if @rootneeded == "yes"
    ## Check for root's UID
    if Process.uid == 0

      @output = `#{finalCommand}`

      if $? == 0
        return true
      else
        raise "#{finalCommand} failed
        with error code #{$?}"
      end
    else
      raise "Must be root!"
    end
  elsif @rootneeded == "no"

    @output = `#{finalCommand}`

    if $? == 0
      return true
    else
      raise "#{finalCommand} failed with error
      code #{$?}"
    end
  end


end

#force! ⇒ Object

force! method

Tacks on the -f option to the command



51
52
53
54
55
56
 
# File 'lib/rupac.rb', line 51

def force!
  if @@force == "no"
    @@force = "yes"
    @command = "#{@command}f"
  end
end

#force? ⇒ Boolean

force? method

Asks if the Force option is set

Returns:

  • (Boolean) 


29
30
31
32
33
34
35
 
# File 'lib/rupac.rb', line 29

def force?
  if @@force == "yes"
    return true
  else
    return false
  end
end

#to_s ⇒ Object

Override the to_s method



70
71
72
 
# File 'lib/rupac.rb', line 70

def to_s
  "Command: #@command, Lock: #@@lock, Verbose: #@@verbose, Nodeps #@@nodeps, RootNeeded #@rootneeded"
end

#verbose! ⇒ Object

verbose! method

Tacks on the -v option



62
63
64
65
66
67
 
# File 'lib/rupac.rb', line 62

def verbose!
  if @@verbose == "no"
    @command = "#{@command}v"
    @@verbose = "yes"
  end
end

#verbose? ⇒ Boolean

verbose? method

Asks if the Verbose option is set

Returns:

  • (Boolean) 


40
41
42
43
44
45
46
 
# File 'lib/rupac.rb', line 40

def verbose?
  if @@verbose == "yes"
    return true
  else
    return false
  end
end