[PATCH 2/4] examples/cgi-webrick.rb: set CGIPathEnv, update comments

[Eric Wong <e@80x24.org>]

webrick clears PATH otherwise, and we rely on git commands.
---
 examples/cgi-webrick.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/examples/cgi-webrick.rb b/examples/cgi-webrick.rb
index 21e336d..5554a01 100644
--- a/examples/cgi-webrick.rb
+++ b/examples/cgi-webrick.rb
@@ -1,13 +1,16 @@
 #!/usr/bin/env ruby
 # Sample configuration using WEBrick, mainly intended dev/testing
 # for folks familiar with Ruby and not various Perl webserver
-# deployment options.
+# deployment options.  For those familiar with Perl web servers,
+# plackup(1) is recommended for development and public-inbox-httpd(1)
+# is our production deployment server.
 require 'webrick'
 require 'logger'
 options = {
   :BindAddress => '127.0.0.1',
   :Port => 8080,
   :Logger => Logger.new($stderr),
+  :CGIPathEnv => ENV['PATH'], # need to run 'git' commands
   :AccessLog => [
     [ Logger.new($stdout), WEBrick::AccessLog::COMBINED_LOG_FORMAT ]
   ],
-- 
EW