Reworked to use Ruby since its needed for Puppet

puppet/Puppetfile

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+forge "http://forge.puppetlabs.com"
+
+mod 'puppetlabs-vcsrepo', '1.5.0'
+

puppet/environment.conf

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+modulepath     = modules:site:$basemodulepath
+config_version = 'scripts/config_version.sh $environmentpath $environment'

puppet/hieradata/common.yaml

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+---

puppet/hieradata/nodes/example-node.yaml

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+---

puppet/manifests/site.pp

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+## site.pp ##
+
+# DEFAULT NODE
+
+# The default node definition matches any node lacking a more specific node
+# definition. If there are no other nodes in this file, classes declared here
+# will be included in every node's catalog, *in addition* to any classes
+# specified in the via an ENC for that node.
+
+node default {
+  # This is where you can declare classes for all nodes.
+  # Example:
+  #   class { 'my_class': }
+}

puppet/scripts/code_manager_config_version.rb

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+#!/usr/bin/env ruby
+require 'json'
+
+environmentpath = ARGV[0]
+environment     = ARGV[1]
+
+r10k_deploy_file_path = File.join(environmentpath, environment, '.r10k-deploy.json')
+
+# output the sha1 from the control-repo
+puts JSON.parse(File.read(r10k_deploy_file_path))['signature']

puppet/scripts/config_version.rb

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+#!/usr/bin/env ruby
+begin
+  require 'rugged'
+rescue LoadError => e
+  t = Time.new
+  puts t.to_i
+else
+
+  environmentpath = ARGV[0]
+  environment     = ARGV[1]
+
+  repo = Rugged::Repository.discover(File.join(environmentpath, environment))
+  head = repo.head
+
+  # sha1 hash of the newest commit
+  head_sha = head.target_id
+
+  # the commit message associated the newest commit
+  commit = repo.lookup(head_sha)
+
+  # add something to find the remote url
+
+  puts head_sha
+end

puppet/scripts/config_version.sh

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+#!/bin/bash
+if [ -e $1/$2/.r10k-deploy.json ]
+then
+  /opt/puppetlabs/puppet/bin/ruby $1/$2/scripts/code_manager_config_version.rb $1 $2
+elif [ -e /opt/puppetlabs/server/pe_version ]
+then 
+  /opt/puppetlabs/puppet/bin/ruby $1/$2/scripts/config_version.rb $1 $2  
+else
+  /usr/bin/git --version > /dev/null 2>&1 &&
+  /usr/bin/git --git-dir $1/$2/.git rev-parse HEAD ||
+  date +%s
+fi 

puppet/site/profile/manifests/base.pp

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+# the base profile should include component modules that will be on all nodes
+class profile::base {
+
+}

puppet/site/role/manifests/server.pp

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+# Includes all the profiles needed for a server.
+# One big difference between this and the workstation role is that you generally
+# are not standing in front of the system and / or there is no graphical
+# interface.
+class role::workstation {
+  include ::profile::base
+}

puppet/site/role/manifests/workstation.pp

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+# Includes all the profiles needed for a workstation
+class role::workstation {
+  include ::profile::base
+}