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Contents
require 'dply/helper'
module Dply
class Linker
include Helper
attr_reader :src_dir, :dest_dir, :map
def initialize(src_dir, dest_dir, map: {})
verify_absolute src_dir, dest_dir
@src_dir = src_dir
@dest_dir = dest_dir
@map = map
end
def create_symlinks
mapped_files.each do |f|
target = link_target(f)
source = link_source(f)
relative_source = link_relative_source(source, target)
logger.debug "linking #{target} -> #{source}"
error "source #{source} doesn't exist" if not File.exist? source
symlink(relative_source, target)
end
end
def link_target(relative_target)
Pathname.new "#{dest_dir}/#{relative_target}"
end
def link_source(relative_target)
relative_source = map[relative_target]
Pathname.new "#{src_dir}/#{relative_source}"
end
def link_relative_source(source, target)
source.relative_path_from target.parent
end
def mapped_files
map.keys.collect do |k|
path = Pathname.new k
raise "config map path cannot be absoulte" if path.absolute?
k
end
end
def verify_absolute(*paths)
paths.each do |path|
absolute = Pathname.new(path).absolute?
raise "#{path} not absolute" if not absolute
end
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems