helm/rake/lib/sh.rb

require_relative 'output'

# A 'safe' sh function that won't stop rake in its tracks
# when it encounters a problem. I'll leave it up to the
# programmer to expect problems and terminate when necessary.
def sh_safe(cmd)
    begin
        return sh(cmd)
    rescue
        echoerr $!
        return false
    end
end

def do_link(src, dest)
    if not (File.exist?(path_to_file) || File.symlink?(path_to_file))
        sh_safe "ln -sf #{src} #{dest}"
    end
end