# this is what I ended up with, though I don't know that rollback
works quite right yet
def relative_path(from_str, to_str)
require 'pathname'
Pathname.new(to_str).relative_path_from(Pathname.new(from_str)).to_s
end
namespace :deploy do
desc "Relative symlinks for current/"
task :symlink, :except => { :no_release => true } do
if releases[-2] # not the first release
previous_release_relative = relative_path(deploy_to,
previous_release)
on_rollback { run "rm -f #{current_path}; ln -s
#{previous_release_relative} #{current_path}; true" }
end
latest_release_relative = relative_path(deploy_to, latest_release)
run "rm -f #{current_path} && ln -s #{latest_release_relative}
#{current_path}"
end
end
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