Class: Tripwire::Scanner

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#exclude_patterns ⇒ Object

Returns the value of attribute exclude_patterns.



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# File 'lib/tripwire/scanner.rb', line 3

def exclude_patterns
  @exclude_patterns
end

#quiet ⇒ Object

Returns the value of attribute quiet.



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# File 'lib/tripwire/scanner.rb', line 8

def quiet
  @quiet
end

#scan_patterns ⇒ Object

Returns the value of attribute scan_patterns.



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# File 'lib/tripwire/scanner.rb', line 4

def scan_patterns
  @scan_patterns
end

#scanned_file_mtimes ⇒ Object

Returns the value of attribute scanned_file_mtimes.



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# File 'lib/tripwire/scanner.rb', line 6

def scanned_file_mtimes
  @scanned_file_mtimes
end

#scanned_files ⇒ Object

Returns the value of attribute scanned_files.



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# File 'lib/tripwire/scanner.rb', line 5

def scanned_files
  @scanned_files
end

#updates ⇒ Object

Returns the value of attribute updates.



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# File 'lib/tripwire/scanner.rb', line 7

def updates
  @updates
end

Instance Method Details

#scan ⇒ Object 



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# File 'lib/tripwire/scanner.rb', line 10

def scan
  updates.clear
  files = scan_patterns.map {|scan_pattern| Dir.glob(scan_pattern) }.flatten.uniq
  exclude_list = exclude_patterns.map {|exclude_pattern| Dir.glob(exclude_pattern) }.flatten
  files -= exclude_list
  excluded_folders = exclude_list.select {|item| File.directory?(item) }
  excluded_folders.each do |folder|
    regexp = /^#{Regexp.escape(folder)}\//
    files -= files.select {|file| file.match(regexp)}
  end
  files.each do |file|
    mtime = File.mtime(file)
    previous_mtime = scanned_file_mtimes[file]
    if mtime != previous_mtime
      if !previous_mtime
        updates << "A #{file}"
      else
        updates << "M #{file}"
      end
      scanned_file_mtimes[file] = mtime
    end
  end
  missing_files = scanned_files - files
  missing_files.each do |file|
    scanned_file_mtimes.delete(file)
    updates << "D #{file}"
  end
  self.scanned_files.replace(files)
  puts updates unless quiet
  updates
end

#tripped? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tripwire/scanner.rb', line 42

def tripped?
  !updates.empty?
end