67 lines
1.6 KiB
Ruby
67 lines
1.6 KiB
Ruby
module Compass
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module Version
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# Returns a hash representing the version.
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# The :major, :minor, and :teeny keys have their respective numbers.
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# The :string key contains a human-readable string representation of the version.
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# If checked out from Git,
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# the :rev key will have the revision hash.
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#
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# This method swiped from Haml and then modified, some credit goes to Nathan Weizenbaum
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attr_writer :version
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def version
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return @version if defined?(@version)
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read_version_file
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parse_version
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if r = revision
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@version[:rev] = r
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@version[:string] << " [#{r[0...7]}]"
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end
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@version
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end
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protected
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def scope(file) # :nodoc:
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File.join(File.dirname(__FILE__), '..', '..', file)
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end
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def read_version_file
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@version = {
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:string => File.read(scope('VERSION')).strip
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}
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end
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def parse_version
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dotted_string, @version[:label] = @version[:string].split(/-/, 2)
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numbers = dotted_string.split('.').map { |n| n.to_i }
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[:major, :minor, :teeny].zip(numbers).each do |attr, value|
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@version[attr] = value
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end
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end
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def revision
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revision_from_git || revision_from_file
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end
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def revision_from_file
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if File.exists?(scope('REVISION'))
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rev = File.read(scope('REVISION')).strip
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rev = nil if rev !~ /[a-f0-9]+/
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end
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end
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def revision_from_git
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if File.exists?(scope('.git/HEAD'))
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rev = File.read(scope('.git/HEAD')).strip
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if rev =~ /^ref: (.*)$/
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rev = File.read(scope(".git/#{$1}")).strip
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end
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end
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end
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end
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end
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