Connect #28 begin notional plan for git note/history storage

debt_ceiling.gemspec

@@ -25,6 +25,12 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'rubycritic', '~> 1.4'
   s.add_runtime_dependency 'chronic', '~> 0.10'
   s.add_runtime_dependency 'configurations', '~> 2.0'
+  #maybe? or maybe light enough not to rely on
+  if !`which cmake`.empty?
+    s.add_runtime_dependency 'rugged', '~> 0.23'
+  else
+    s.post_install_message = "NOTICE: Debt Ceiling git integration relies on rugged, which requires cmake to be installed"
+  end
   s.add_development_dependency 'pry', '~> 0.10'
   s.add_development_dependency 'rake', '~> 10.3'
   s.add_development_dependency 'rspec', '~> 3.1'

lib/debt_ceiling.rb

@@ -41,4 +41,23 @@ module DebtCeiling
   def audit(dir='.', opts= {})
     Audit.new(dir, opts)
   end
+
+  def dig(dir='.', opts={})
+    if rugged_available?
+      ArcheologicalDig.new(dir, opts)
+    else
+      fail "rugged gem not installed, dig feature relies on rugged and cmake"
+    end
+  end
+
+  def rugged_available?
+    return nil if java_platform? || `which cmake`.empty?
+    require 'rugged'
+    require_relative 'debt_ceiling/archeological_dig'
+    true
+  end
+
+  def java_platform?
+    ['jruby', 'java'].include?(RUBY_PLATFORM)
+  end
 end

lib/debt_ceiling/archeological_dig.rb

@@ -0,0 +1,29 @@
+module DebtCeiling
+  class ArcheologicalDig
+
+    def initialize(path='.', opts={})
+      selected_git_commits(path) do |commit|
+        checkout_commit(commit)
+        next if config_note_present_on_commit(commit)
+        result = Audit.new(opts.merge(skip_report: true, warn_only: true, preconfigured: true))
+        create_note_on_commit(result, commit)
+      end
+    end
+
+    def selected_git_commits(path)
+      [].each do |x|
+        yield x
+      end
+    end
+
+    def checkout_commit(commit)
+    end
+
+    def config_note_present_on_commit(commit)
+    end
+
+    def create_note_on_commit(result, commit)
+    end
+
+  end
+end