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#!/usr/bin/env ruby
# -*- encoding: binary -*-
# Copyright (C) 2013, Eric Wong <normalperson@yhbt.net>
# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
require 'tempfile'
require 'yaml'
require 'dtas/unix_client'
require 'dtas/disclaimer'
editor = ENV["VISUAL"] || ENV["EDITOR"]
c = DTAS::UNIXClient.new
usage = $0
ARGV.size == 0 or abort usage
name = ARGV[0]
tmp = Tempfile.new(%w(dtas-sourceedit .yml))
tmp.sync = true
tmp.binmode
buf = c.req(%W(source cat))
abort(buf) if buf =~ /\AERR/
tmp.write(buf << DTAS_DISCLAIMER)
cmd = "#{editor} #{tmp.path}"
system(cmd) or abort "#{cmd} failed: #$?"
tmp.rewind
source = YAML.load(tmp.read)
cmd = %W(source ed)
if env = source["env"]
env.each do |k,v|
cmd << (v.nil? ? "env##{k}" : "env.#{k}=#{v}")
end
end
%w(command).each do |field|
value = source[field] and cmd << "#{field}=#{value}"
end
c.req_ok(cmd)
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