Class: Basis::Template

Inherits:
Object
  • Object
show all
Defined in:
lib/basis/template.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(srcdir) ⇒ Template

Returns a new instance of Template.



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# File 'lib/basis/template.rb', line 9

def initialize srcdir
  @srcdir = File.expand_path srcdir

  Dir.chdir @srcdir do
    remote  = `git remote -v`.split(/\s/)[1]
    rev     = `git rev-parse HEAD`
    @origin = "#{remote}@#{rev}"
  end

  if File.exist?(template = "#@srcdir/.basis/template.rb")
    src = IO.read template
    extend eval("Module.new do;#{src};end", nil, template, 1)
  end
end

Instance Attribute Details

#origin ⇒ Object (readonly)

Returns the value of attribute origin.



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# File 'lib/basis/template.rb', line 7

def origin
  @origin
end

#srcdir ⇒ Object (readonly)

Returns the value of attribute srcdir.



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# File 'lib/basis/template.rb', line 6

def srcdir
  @srcdir
end

Instance Method Details

#description ⇒ Object 



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# File 'lib/basis/template.rb', line 24

def description
  "An awesome template."
end

#render(destdir, context) ⇒ Object 



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# File 'lib/basis/template.rb', line 28

def render destdir, context
  FileUtils.mkdir_p File.join(destdir, ".basis")

  File.open File.join(destdir, ".basis", "origin"), "wb" do |f|
    f.puts origin
  end

  Dir.glob("#{srcdir}/**/*", File::FNM_DOTMATCH).each do |src|
    next unless File.file? src

    rel = src.gsub(/^#{srcdir}\//, "")
    next if /^\.basis/ =~ rel || /^\.git\// =~ rel

    target = "#{destdir}/#{rel}"

    target.gsub!(/\[([a-z_][a-z0-9_]*(\.[a-z_][a-z0-9_]*)*)\]/i) do |expr|
      context[$1] || expr
    end

    FileUtils.mkdir_p File.dirname(target)

    # FIX: prompt for overwrite?

    contents = File.read src

    if contents =~ /\[%.*%\]/
      File.open target, "wb" do |f|
        erb = Erubis::Eruby.new contents,
        :filename => rel, :pattern => '\[% %\]'

        f.write erb.evaluate(context)
      end
    else
      FileUtils.copy src, target
    end

    # FIX: file perms
  end
end