Fix documented ruby code blocks formatting

README.md

@@ -162,34 +162,36 @@ Templates
 
   In `templates/freebsd/jail.conf.erb`:
 
-    exec.start = "/bin/sh /etc/rc";
-    exec.stop = "/bin/sh /etc/rc.shutdown";
-    exec.clean;
-    mount.devfs;
-    allow.chflags;
+```ruby
+exec.start = "/bin/sh /etc/rc";
+exec.stop = "/bin/sh /etc/rc.shutdown";
+exec.clean;
+mount.devfs;
+allow.chflags;
 
-    path = "/var/jails/$name";
+path = "/var/jails/$name";
 
-    <% @jails.each do |jail| -%>
-    <%= jail[:name] %> {
+<% @jails.each  do |jail| -%>
+<%= jail[:name] %> {
   interface "<%= @if %>";
   ip4.addr = <%= jail[:addr4] %>;
-    }
-    <% end -%>
+}
+<% end -%>
 
-  Simple usage:
+Simple usage:
 
-    INTERFACE   = 're0'.freeze
-    JAILS       = [{
+INTERFACE   = 're0'.freeze
+JAILS       = [{
   name:   'freebsd-10r1',
   src:    true,
   addr4:  '10.0.0.1'
-    }]
+}]
 
-    task :jails_conf do
+task :jails_conf do
   conf = template 'freebsd/jail.conf', if: INTERFACE, jails: JAILS
   file_write_once '/etc/jail.conf', conf
-    end
+end
+```
 
 
 Macros
@@ -225,16 +227,17 @@ Sample recipe
   Based on the previous template example (FreeBSD jails.conf
 template):
 
-    require 'producer/stdlib'
+```ruby
+require 'producer/stdlib'
 
-    JAILS_ROOT  = '/var/jails'.freeze
-    ZROOT       = 'tank/jails'.freeze
-    INTERFACE   = 're0'.freeze
-    SETS        = {
+JAILS_ROOT  = '/var/jails'.freeze
+ZROOT       = 'tank/jails'.freeze
+INTERFACE   = 're0'.freeze
+SETS        = {
   base: '2b028a894d25711ad496762622a52d74b1e32ee04693ad1cf056e3ddcdc23975',
   src:  'f919287a5ef51d4f133f27c99c54f2e8054f408d3dd53bc60f4e233cc75ec03d'
-    }.freeze
-    JAILS       = [
+}.freeze
+JAILS       = [
   {
     name:   'freebsd-10r1',
     src:    true,
@@ -245,9 +248,9 @@ template):
     src:    true,
     addr4:  '10.0.0.2'
   }
-    ].freeze
+].freeze
 
-    task :freebsd_archives_fetch do
+task :freebsd_archives_fetch do
   SETS.keys.each { |set| condition { no_file? "/tmp/#{set}.txz"} }
 
   SETS.each do |set, sum|
@@ -257,14 +260,14 @@ template):
       sha256 -c #{sum} #{set}.txz
     eoh
   end
-    end
+end
 
-    task :jails_fs_create do
+task :jails_fs_create do
   condition { no_sh "zfs list #{ZROOT}" }
   sh "zfs create -o mountpoint=#{JAILS_ROOT} -o compress=lz4 #{ZROOT}"
-    end
+end
 
-    JAILS.each do |jail|
+JAILS.each do |jail|
   root  = "#{JAILS_ROOT}/#{jail[:name]}"
   fs    = "#{ZROOT}/#{jail[:name]}"
 
@@ -284,8 +287,8 @@ template):
 
     task :rc_conf do
       file_write_once "#{root}/etc/rc.conf", <<-eoh
-    hostname=#{jail[:name]}
-    # ...
+hostname=#{jail[:name]}
+# ...
       eoh
     end
 
@@ -312,12 +315,13 @@ template):
     sh "chroot #{root} freebsd-update fetch install"
     sh "zfs snapshot #{fs}@update"
   end
-    end
+end
 
-    task :jails_conf do
+task :jails_conf do
   conf = template 'freebsd/jail.conf', if: INTERFACE, jails: JAILS
   file_write_once '/etc/jail.conf', conf
-    end
+end
+```
 
 
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