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# File 'lib/base_chip.rb', line 67
def self.find_root(dir = nil, passive=false)
dir ||= @work_dir ||= Dir.pwd
@dirs_to_top = []
loop do
@dirs_to_top << dir
break if File.exist? dir + '/base_chip/settings.rb'
if dir == '/'
return nil if passive
fault "Couldn't find file 'base_chip/settings.rb' in any directory above #{Dir.pwd}.\n" +
"'base_chip/settings.rb' is expected to reside at the top of the checked " +
"out project, and is generated using the command 'base_chip init'."
end
dir = File.expand_path(dir + '/../')
end
$project_root = @root = dir
end
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