Added back scripts, and modified the update_feed script

Scripts/launchd_nightly.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>  
+	<key>Label</key>
+	<string>org.cogx.cog.nightly</string>
+	<key>ProgramArguments</key>
+	<array> 
+		<string>/Users/vspader/Projects/Cog.Nightly/Scripts/build_nightly.rb</string>
+	</array>
+	<key>UserName</key>
+	<string>vspader</string>
+	<key>WorkingDirectory</key>
+	<string>/Users/vspader/Projects/Cog.Nightly</string>
+	<key>StartCalendarInterval</key>
+	<dict>  
+		<key>Hour</key>
+		<integer>3</integer>
+		<key>Minute</key>
+		<integer>0</integer>
+	</dict>
+</dict>
+</plist>
+

Scripts/update_feed.rb

@@ -0,0 +1,103 @@
+#!/usr/bin/env ruby
+
+require 'tempfile'
+require 'open-uri'
+require 'rexml/document'
+include REXML
+
+feed = ARGV[0] || 'mercury'
+
+appcast = open("http://kode54.net/cog/#{feed}.xml")
+
+appcastdoc = Document.new(appcast)
+
+#Get the latest revision from the appcast
+appcast_revision = appcastdoc.elements['//channel/item/enclosure/sparkle:version'].text.to_s() || 0
+appcast_revision_split = appcast_revision.split( /-/ )
+appcast_revision_code = appcast_revision_split[2]
+
+#Remove modified files that may cause conflicts.
+#%x[hg revert --all]
+
+#Update to the latest revision
+#%x[hg pull -u]
+latest_revision = %x[/usr/local/bin/hg log -r . --template '{latesttag}-{latesttagdistance}-{node|short}']
+revision_split = latest_revision.split( /-/ )
+revision_code = revision_split[2]
+
+if appcast_revision < latest_revision
+  #Get the changelog
+  changelog = %x[hg log --template '{desc}\n' -r #{revision_code}:children(#{appcast_revision_code})]
+
+  description = ''
+  ignore_next = false
+  changelog.each_line do |line|
+    if (ignore_next)
+      ignore_next = false
+      next
+    end
+    if Regexp.new('^-+$').match(line)
+      ignore_next = true
+      next
+    elsif Regexp.new('^\s*$').match(line)
+      next
+    end
+    description += line
+  end
+  
+  #Remove the previous build directories
+  %x[find . -type d -name build -print0 | xargs -0 rm -r ]
+
+  #Build Cog!
+  %x[xcodebuild -alltargets -configuration Release 2>&1].each_line do |line|
+    if line.match(/\*\* BUILD FAILED \*\*/)
+      exit
+    end
+  end
+
+  filename = "Cog-#{revision_code}.tbz"
+
+  #Zip the app!
+  %x[rm -f build/Release/#{feed}.tar.bz2]
+  %x[tar -C build/Release -cjf build/Release/#{feed}.tar.bz2 Cog.app]
+
+  filesize = File.size("build/Release/#{feed}.tar.bz2")
+
+  #Send the new build to the server
+  %x[scp build/Release/#{feed}.tar.bz2 ec2-user@kode54.net:/usr/share/nginx/html/cog/#{feed}_builds/#{filename}]
+
+  #Add new entry to appcast
+  new_item = Element.new('item')
+  
+  new_item.add_element('title')
+  new_item.elements['title'].text = "Cog {latest_revision}"
+  
+  new_item.add_element('description')
+  new_item.elements['description'].text = description
+
+  new_item.add_element('pubDate')
+  new_item.elements['pubDate'].text = Time.now().strftime("%a, %d %b %Y %H:%M:%S %Z") #RFC 822
+  
+  new_item.add_element('sparkle:minimumSystemVersion')
+  new_item.elements['sparkle:minimumSystemVersion'].text =  '10.7.0'
+
+  new_item.add_element('enclosure')
+  new_item.elements['enclosure'].add_attribute('url', "http://kode54.net/cog/#{feed}_builds/#{filename}")
+  new_item.elements['enclosure'].add_attribute('length', filesize)
+  new_item.elements['enclosure'].add_attribute('type', 'application/octet-stream')
+  new_item.elements['enclosure'].add_attribute('sparkle:version', "{latest_revision}")
+  
+  appcastdoc.insert_before('//channel/item', new_item)
+  
+  #Limit number of entries to 5
+  appcastdoc.delete_element('//channel/item[position()>5]')
+  
+  new_xml = Tempfile.new('appcast.xml')
+  appcastdoc.write(new_xml)
+  new_xml.close()
+  appcast.close()
+  
+  #Send the updated appcast to the server
+  %x[scp #{new_xml.path} ec2-user@kode54.net:/usr/share/nginx/html/cog/#{feed}.xml]
+  
+end