From bcac99b8cdcd0f32c4720d822d3049e3426f6cd3 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Wed, 30 Oct 2013 20:24:58 +0000
Subject: implement before_exec hook

This allows modifying the command-line (as an array) passed to
Kernel#exec, as well as running anything necessary.
---
 lib/yahns/server.rb | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/yahns/server.rb')

diff --git a/lib/yahns/server.rb b/lib/yahns/server.rb
index 6439918..220381b 100644
--- a/lib/yahns/server.rb
+++ b/lib/yahns/server.rb
@@ -11,6 +11,7 @@ class Yahns::Server # :nodoc:
   attr_accessor :daemon_pipe
   attr_accessor :logger
   attr_writer :user
+  attr_writer :before_exec
   attr_writer :worker_processes
   attr_writer :shutdown_timeout
   attr_writer :worker_atfork_prepare
@@ -30,6 +31,7 @@ class Yahns::Server # :nodoc:
     @listeners = []
     @pid = nil
     @worker_processes = nil
+    @before_exec = nil
     @worker_atfork_prepare = @worker_atfork_parent = @worker_atfork_child = nil
     @user = nil
     @queues = []
@@ -246,6 +248,7 @@ class Yahns::Server # :nodoc:
       Dir.chdir(@config.value(:working_directory) || Yahns::START[:cwd])
       cmd = [ Yahns::START[0] ].concat(Yahns::START[:argv])
       @logger.info "executing #{cmd.inspect} (in #{Dir.pwd})"
+      @before_exec.call(cmd) if @before_exec
       cmd << redirects
       exec(*cmd)
     end
-- 
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