Update nginx package

Correct install location of nginx

Enhance startnginx and stopnginx scripts

Add messages to the postinstall section

Add instructions to start nginx on login

Fix to get the nginx process id

Return exit code of 1 on error

Bump version number to detect changes

Add zlibpkg dependency

packages/nginx.rb

@@ -3,7 +3,7 @@ require 'package'
 class Nginx < Package
   description 'nginx [engine x] is an HTTP and reverse proxy server, a mail proxy server, and a generic TCP/UDP proxy server, originally written by Igor Sysoev.'
   homepage 'http://nginx.org/'
-  version '1.13.6-1'
+  version '1.13.6-2'
   source_url 'https://nginx.org/download/nginx-1.13.6.tar.gz'
   source_sha256 '8512fc6f986a20af293b61f33b0e72f64a72ea5b1acbcc790c4c4e2d6f63f8f8'
 
@@ -13,6 +13,7 @@ class Nginx < Package
   })
 
   depends_on 'pcre'
+  depends_on 'zlibpkg'
 
   def self.build
     system './configure',
@@ -26,26 +27,28 @@ class Nginx < Package
     FileUtils.cd("#{CREW_DEST_PREFIX}/bin") do
       system "ln -s #{CREW_PREFIX}/share/nginx/sbin/nginx nginx"
       system "echo '#!/bin/bash' > startnginx"
-      system "echo 'NGINX=\$(ps ax | grep \"nginx: master process\" | grep -v grep | cut -d\" \" -f1 2> /dev/null)' >> startnginx"
+      system "echo 'NGINX=\$(ps ax | grep \"nginx: master process\" | grep -v grep | xargs | cut -d\" \" -f1 2> /dev/null)' >> startnginx"
       system "echo 'if [ -z \"\$NGINX\" ]; then' >> startnginx"
       system "echo '  sudo nginx' >> startnginx"
       system "echo 'fi' >> startnginx"
-      system "echo 'NGINX=\$(ps ax | grep \"nginx: master process\" | grep -v grep | cut -d\" \" -f1 2> /dev/null)' >> startnginx"
+      system "echo 'NGINX=\$(ps ax | grep \"nginx: master process\" | grep -v grep | xargs | cut -d\" \" -f1 2> /dev/null)' >> startnginx"
       system "echo 'if [ ! -z \"\$NGINX\" ]; then' >> startnginx"
       system "echo '  echo \"nginx process \$NGINX is running\"' >> startnginx"
       system "echo 'else' >> startnginx"
       system "echo '  echo \"nginx failed to start\"' >> startnginx"
+      system "echo '  exit 1' >> startnginx"
       system "echo 'fi' >> startnginx"
       system "echo '#!/bin/bash' > stopnginx"
-      system "echo 'NGINX=\$(ps ax | grep \"nginx: master process\" | grep -v grep | cut -d\" \" -f1 2> /dev/null)' >> stopnginx"
+      system "echo 'NGINX=\$(ps ax | grep \"nginx: master process\" | grep -v grep | xargs | cut -d\" \" -f1 2> /dev/null)' >> stopnginx"
       system "echo 'if [ ! -z \"\$NGINX\" ]; then' >> stopnginx"
       system "echo '  sudo nginx -s quit' >> stopnginx"
       system "echo 'fi' >> stopnginx"
-      system "echo 'NGINX=\$(ps ax | grep \"nginx: master process\" | grep -v grep | cut -d\" \" -f1 2> /dev/null)' >> stopnginx"
+      system "echo 'NGINX=\$(ps ax | grep \"nginx: master process\" | grep -v grep | xargs | cut -d\" \" -f1 2> /dev/null)' >> stopnginx"
       system "echo 'if [ -z \"\$NGINX\" ]; then' >> stopnginx"
       system "echo '  echo \"nginx process stopped\"' >> stopnginx"
       system "echo 'else' >> stopnginx"
       system "echo '  echo \"nginx process \$NGINX is running\"' >> stopnginx"
+      system "echo '  exit 1' >> stopnginx"
       system "echo 'fi' >> stopnginx"
       system "chmod +x st*nginx"
     end