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Contents
module Terraspace::Compiler::Erb
class Rewrite
def initialize(src_path)
@src_path = src_path
end
def rewrite
input = IO.read(@src_path)
output = replace(input)
tfvar_path = @src_path.sub(Terraspace.root,'')
temp_path = "/tmp/terraspace/rewrite#{tfvar_path}"
FileUtils.mkdir_p(File.dirname(temp_path))
IO.write(temp_path, output)
temp_path
end
# Replace contents so only the `output` and `depends_on` are evaluated
def replace(input)
lines = input.split("\n").map {|l| l+"\n"} # mimic IO.readlines
new_lines = lines.map do |line|
new_line(line)
end
new_lines.join('')
end
def new_line(line)
md = line.match(/.*(<% |<%=)/) || line.match(/.*<%$/)
if md
words = %w[output depends_on]
dependency_words = [Terraspace.config.build.dependency_words].flatten
words += dependency_words # custom user words to evaluated in first pass also
return line if words.include?('*') # passthrough for special case '*'
# IE: <%= output or <% depends_on
regexp = Regexp.new(".*<%.*#{words.join('|')}.*")
if line.match(regexp)
line # passthrough
else
line.sub('<%', '<%#') # replace with ERB opening comment
end
else
line # passthrough
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems