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-rw-r--r--lib/dtas/source/cmd.rb40
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/dtas/source/cmd.rb b/lib/dtas/source/cmd.rb
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+# -*- encoding: binary -*-
+# Copyright (C) 2013, Eric Wong <normalperson@yhbt.net>
+# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
+require_relative '../../dtas'
+require_relative '../source'
+require_relative '../command'
+require_relative '../serialize'
+
+class DTAS::Source::Cmd # :nodoc:
+  require_relative '../source/common'
+
+  include DTAS::Command
+  include DTAS::Process
+  include DTAS::Source::Common
+  include DTAS::Serialize
+
+  SIVS = %w(command env)
+
+  def initialize(command)
+    command_init(command: command)
+  end
+
+  def source_dup
+    rv = self.class.new
+    SIVS.each { |iv| rv.__send__("#{iv}=", self.__send__(iv)) }
+    rv
+  end
+
+  def to_hash
+    ivars_to_hash(SIVS)
+  end
+
+  alias to_hsh to_hash
+
+  def spawn(format, rg_state, opts)
+    raise "BUG: #{self.inspect}#spawn called twice" if @to_io
+    e = format.to_env
+    @pid = dtas_spawn(e.merge!(@env), command_string, opts)
+  end
+end