Add a module to construct files from fragments.

Downloaded from https://github.com/ripienaar/puppet-concat/

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+What is it?
+===========
+
+A Puppet module that can construct files from fragments.
+
+Please see the comments in the various .pp files for details
+as well as posts on my blog at http://www.devco.net/
+
+Released under the Apache 2.0 licence
+
+Usage:
+------
+
+If you wanted a /etc/motd file that listed all the major modules
+on the machine.  And that would be maintained automatically even
+if you just remove the include lines for other modules you could
+use code like below, a sample /etc/motd would be:
+
+<pre>
+Puppet modules on this server:
+
+    -- Apache
+    -- MySQL
+</pre>
+
+Local sysadmins can also append to the file by just editing /etc/motd.local
+their changes will be incorporated into the puppet managed motd.
+
+<pre>
+# class to setup basic motd, include on all nodes
+class motd {
+   include concat::setup
+   $motd = "/etc/motd"
+
+   concat{$motd,
+      owner => root,
+      group => root,
+      mode  => 644
+   }
+
+   concat::fragment{"motd_header":
+      target => $motd,
+      content => "\nPuppet modules on this server:\n\n",
+      order   => 01,
+   }
+
+   # local users on the machine can append to motd by just creating
+   # /etc/motd.local
+   concat::fragment{"motd_local":
+      target => $motd,
+      ensure  => "/etc/motd.local",
+      order   => 15
+   }
+}
+
+# used by other modules to register themselves in the motd
+define motd::register($content="", $order=10) {
+   if $content == "" {
+      $body = $name
+   } else {
+      $body = $content
+   }
+
+   concat::fragment{"motd_fragment_$name":
+      target  => "/etc/motd",
+      content => "    -- $body\n"
+   }
+}
+
+# a sample apache module
+class apache {
+   include apache::install, apache::config, apache::service
+
+   motd::register{"Apache": }
+}
+</pre>
+
+Known Issues:
+-------------
+* In 0.24.8 you will see inintended notifies, if you build a file
+  in a run, the next run will also see it as changed.  This is due
+  to how 0.24.8 does the purging of unhandled files, this is improved
+  in 0.25.x and we cannot work around it in our code.
+
+Contributors:
+-------------
+**Paul Elliot**   
+
+ * Provided 0.24.8 support, shell warnings and empty file creation support.
+
+**Chad Netzer**
+
+ * Various patches to improve safety of file operations
+ * Symlink support
+
+**David Schmitt**
+
+ * Patch to remove hard coded paths relying on OS path
+ * Patch to use file{} to copy the resulting file to the final destination.  This means Puppet client will show diffs and that hopefully we can change file ownerships now
+
+Contact:
+--------
+You can contact me on rip@devco.net or follow my blog at http://www.devco.net I am also on twitter as ripienaar