Class: AptControl::Exec
- Inherits:
-
Object
show all
- Defined in:
- lib/apt_control/exec.rb
Overview
Defined Under Namespace
Modules: Helpers
Classes: UnexpectedExitStatus
Instance Attribute Summary collapse
Class Method Summary
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Instance Method Summary
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Constructor Details
#initialize(options = {}) ⇒ Exec
Returns a new instance of Exec.
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# File 'lib/apt_control/exec.rb', line 46
def initialize(options={})
@name = options.fetch(:name, nil)
@quiet = options.fetch(:quiet, true)
@output = options.fetch(:output, $stdout)
end
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Instance Attribute Details
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/apt_control/exec.rb', line 42
def name
@name
end
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#quiet ⇒ Object
Also known as:
quiet?
Returns the value of attribute quiet.
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# File 'lib/apt_control/exec.rb', line 43
def quiet
@quiet
end
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Class Method Details
.exec(command, options = {}) ⇒ Object
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# File 'lib/apt_control/exec.rb', line 38
def self.exec(command, options={})
new(options).exec(command, options)
end
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Instance Method Details
#exec(command, options = {}) ⇒ Object
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# File 'lib/apt_control/exec.rb', line 68
def exec(command, options={})
expected = to_expected_array(options.fetch(:status, 0))
@last_stdout = ""
@last_stderr = ""
@last_output = ""
output_semaphore = Mutex.new
start = name.nil? ? '' : "#{name}: "
status = POpen4::popen4(command) do |stdout, stderr, stdin, pid|
t1 = Thread.new do
stdout.each_line do |line|
@last_stdout += line
output_semaphore.synchronize { @last_output += line }
@output.puts("#{start}#{line}") unless quiet?
end
end
t2 = Thread.new do
stderr.each_line do |line|
@last_stderr += line
output_semaphore.synchronize { @last_output += line }
@output.puts("#{start}#{line}") unless quiet?
end
end
t1.join
t2.join
end
@last_exitstatus = status.exitstatus
unless expected.nil? || expected.include?(status.exitstatus)
raise UnexpectedExitStatus.new(expected, status.exitstatus, command, @last_output, @last_stdout, @last_stderr)
end
@last_stdout
end
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#last_exitstatus ⇒ Object
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# File 'lib/apt_control/exec.rb', line 64
def last_exitstatus
@last_exitstatus
end
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#last_output ⇒ Object
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# File 'lib/apt_control/exec.rb', line 60
def last_output
@last_output
end
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#last_stderr ⇒ Object
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# File 'lib/apt_control/exec.rb', line 56
def last_stderr
@last_stderr
end
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#last_stdout ⇒ Object
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# File 'lib/apt_control/exec.rb', line 52
def last_stdout
@last_stdout
end
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