1 files changed, 109 insertions, 0 deletions
diff --git a/lib/git/raw/repository.rb b/lib/git/raw/repository.rb
new file mode 100644
index 0000000..4a1c897
--- /dev/null
+++ b/lib/git/raw/repository.rb
@@ -0,0 +1,109 @@
+require 'git/raw/internal/object'
+require 'git/raw/internal/pack'
+require 'git/raw/internal/loose'
+require 'git/raw/object'
+
+module Git
+  module Raw
+    
+    class Repository
+      def initialize(git_dir)
+        @git_dir = git_dir
+        @loose = Raw::Internal::LooseStorage.new(git_path("objects"))
+        @packs = []
+        initpacks
+      end
+
+      def show
+        @packs.each do |p|
+          puts p.name
+          puts
+          p.each_sha1 do |s|
+            puts "**#{p[s].type}**"
+            if p[s].type.to_s == 'commit'
+              puts s.unpack('H*')
+              puts p[s].content
+            end
+          end
+          puts
+        end
+      end
+      
+      def cat_file(sha)
+        get_raw_object_by_sha1(sha).content rescue nil
+      end
+      
+      def log(sha, count = 30)
+        output = ''
+        i = 0
+
+        while sha && (i < count) do
+          o = get_raw_object_by_sha1(sha)
+          c = Git::Raw::Object.from_raw(o)
+          
+          output += "commit #{sha}\n"
+          output += o.content + "\n"
+
+          sha = c.parent.first
+          i += 1
+        end
+        
+        output
+      end
+      
+      def get_object_by_sha1(sha1)
+        r = get_raw_object_by_sha1(sha1)
+        return nil if !r
+        Object.from_raw(r, self)
+      end
+
+      def get_raw_object_by_sha1(sha1)
+        sha1 = [sha1].pack("H*")
+
+        # try packs
+        @packs.each do |pack|
+          o = pack[sha1]
+          return o if o
+        end
+
+        # try loose storage
+        o = @loose[sha1]
+        return o if o
+
+        # try packs again, maybe the object got packed in the meantime
+        initpacks
+        @packs.each do |pack|
+          o = pack[sha1]
+          return o if o
+        end
+
+        nil
+      end
+
+      protected
+      
+        def git_path(path)
+          return "#@git_dir/#{path}"
+        end
+
+      private 
+      
+        def initpacks
+          @packs.each do |pack|
+            pack.close
+          end
+          @packs = []
+          Dir.open(git_path("objects/pack/")) do |dir|
+            dir.each do |entry|
+              if entry =~ /\.pack$/i
+                @packs << Git::Raw::Internal::PackStorage.new(git_path("objects/pack/" \
+                                                                  + entry))
+              end
+            end
+          end
+        end
+      
+    end
+    
+  end
+end