Class: Overcommit::Logger

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

Overview

Encapsulates all communication to an output source.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(out) ⇒ Logger

Creates a logger that will write to the given output stream.


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# File 'lib/overcommit/logger.rb', line 14

def initialize(out)
  @out = out
  @colorize =
    if ENV.key?('OVERCOMMIT_COLOR')
      !%w[0 false no].include?(ENV['OVERCOMMIT_COLOR'])
    else
      @out.tty?
    end
end

Class Method Details

.silentObject

Helper for creating a logger which outputs nothing.


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# File 'lib/overcommit/logger.rb', line 7

def self.silent
  new(File.open(File::NULL, 'w'))
end

Instance Method Details

#bold(*args) ⇒ Object

Write a line of output that is intended to be emphasized.


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# File 'lib/overcommit/logger.rb', line 47

def bold(*args)
  color('1', *args)
end

#bold_error(*args) ⇒ Object

Write a line of output indicating a problem or error which is emphasized over a regular problem or error.


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# File 'lib/overcommit/logger.rb', line 58

def bold_error(*args)
  color('1;31', *args)
end

#bold_warning(*args) ⇒ Object

Write a line of output indicating a potential cause for concern, but with greater emphasize compared to other warnings.


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# File 'lib/overcommit/logger.rb', line 75

def bold_warning(*args)
  color('1;33', *args)
end

#debug(*args) ⇒ Object

Write a line of output if debug mode is enabled.


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# File 'lib/overcommit/logger.rb', line 42

def debug(*args)
  color('35', *args) unless ENV.fetch('OVERCOMMIT_DEBUG') { '' }.empty?
end

#error(*args) ⇒ Object

Write a line of output indicating a problem or error.


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# File 'lib/overcommit/logger.rb', line 52

def error(*args)
  color(31, *args)
end

#log(*args) ⇒ Object

Write a line of output.

A newline character will always be appended.


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# File 'lib/overcommit/logger.rb', line 37

def log(*args)
  @out.puts(*args)
end

#newlineObject

Prints a newline character (alias for readability).


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# File 'lib/overcommit/logger.rb', line 30

def newline
  log
end

#partial(*args) ⇒ Object

Write output without a trailing newline.


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# File 'lib/overcommit/logger.rb', line 25

def partial(*args)
  @out.print(*args)
end

#success(*args) ⇒ Object

Write a line of output indicating a successful or noteworthy event.


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# File 'lib/overcommit/logger.rb', line 63

def success(*args)
  color(32, *args)
end

#warning(*args) ⇒ Object

Write a line of output indicating a potential cause for concern, but not an actual error.


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# File 'lib/overcommit/logger.rb', line 69

def warning(*args)
  color(33, *args)
end