67 lines
2.0 KiB
Ruby
67 lines
2.0 KiB
Ruby
module Guard
|
|
class Watcher
|
|
attr_accessor :pattern, :action
|
|
|
|
def initialize(pattern, action = nil)
|
|
@pattern, @action = pattern, action
|
|
@@warning_printed ||= false
|
|
|
|
# deprecation warning
|
|
if @pattern.is_a?(String) && @pattern =~ /(^(\^))|(>?(\\\.)|(\.\*))|(\(.*\))|(\[.*\])|(\$$)/
|
|
unless @@warning_printed
|
|
UI.info "*"*20 + "\nDEPRECATION WARNING!\n" + "*"*20
|
|
UI.info "You have strings in your Guardfile's watch patterns that seem to represent regexps.\nGuard matchs String with == and Regexp with Regexp#match.\nYou should either use plain String (without Regexp special characters) or real Regexp.\n"
|
|
@@warning_printed = true
|
|
end
|
|
UI.info "\"#{@pattern}\" has been converted to #{Regexp.new(@pattern).inspect}\n"
|
|
@pattern = Regexp.new(@pattern)
|
|
end
|
|
end
|
|
|
|
def self.match_files(guard, files)
|
|
guard.watchers.inject([]) do |paths, watcher|
|
|
files.each do |file|
|
|
if matches = watcher.match_file?(file)
|
|
if watcher.action
|
|
result = watcher.call_action(matches)
|
|
paths << Array(result) if result.respond_to?(:empty?) && !result.empty?
|
|
else
|
|
paths << matches[0]
|
|
end
|
|
end
|
|
end
|
|
paths.flatten.map { |p| p.to_s }
|
|
end
|
|
end
|
|
|
|
def self.match_files?(guards, files)
|
|
guards.any? do |guard|
|
|
guard.watchers.any? do |watcher|
|
|
files.any? { |file| watcher.match_file?(file) }
|
|
end
|
|
end
|
|
end
|
|
|
|
def match_file?(file)
|
|
if @pattern.is_a?(Regexp)
|
|
file.match(@pattern)
|
|
else
|
|
file == @pattern ? [file] : nil
|
|
end
|
|
end
|
|
|
|
def self.match_guardfile?(files)
|
|
files.any? { |file| "#{Dir.pwd}/#{file}" == Dsl.guardfile_path }
|
|
end
|
|
|
|
def call_action(matches)
|
|
begin
|
|
@action.arity > 0 ? @action.call(matches) : @action.call
|
|
rescue Exception => e
|
|
UI.error "Problem with watch action!\n#{e.message}\n\n#{e.backtrace.join("\n")}"
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|