From 76602755becb1431da40fefc7d1680cd0eac853c Mon Sep 17 00:00:00 2001
From: Sven Slootweg <jamsoftgamedev@gmail.com>
Date: Sat, 5 May 2012 23:01:03 +0200
Subject: [PATCH] Get tags and trees

---
 public_html/libgit/base.php             |  1 +
 public_html/libgit/class.branch.php     |  5 +++++
 public_html/libgit/class.commit.php     |  5 +++++
 public_html/libgit/class.repository.php | 17 ++++++++++++++++-
 public_html/libgit/class.tag.php        | 10 ++++++++++
 public_html/test.php                    |  2 +-
 6 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/public_html/libgit/base.php b/public_html/libgit/base.php
index f861d14..1524b66 100644
--- a/public_html/libgit/base.php
+++ b/public_html/libgit/base.php
@@ -24,6 +24,7 @@ function sha1_from_bin($bin)
 }
 
 class GitBranchNotFoundException extends Exception {}
+class GitTagNotFoundException extends Exception {}
 
 require(dirname(__FILE__) . "/class.repository.php");
 require(dirname(__FILE__) . "/class.branch.php");
diff --git a/public_html/libgit/class.branch.php b/public_html/libgit/class.branch.php
index 5e4ace2..d3f7355 100644
--- a/public_html/libgit/class.branch.php
+++ b/public_html/libgit/class.branch.php
@@ -14,4 +14,9 @@ class GitBranch
 	{
 		return $this->repo->GetObject($this->sha);
 	}
+	
+	function GetTree()
+	{
+		return $this->GetCommit()->GetTree();
+	}
 }
diff --git a/public_html/libgit/class.commit.php b/public_html/libgit/class.commit.php
index f120993..784da98 100644
--- a/public_html/libgit/class.commit.php
+++ b/public_html/libgit/class.commit.php
@@ -54,4 +54,9 @@ class GitCommit extends GitObject
 		
 		$this->message = implode("\n", $message_parts);
 	}
+	
+	function GetTree()
+	{
+		return $this->repo->GetObject($this->tree);
+	}
 }
diff --git a/public_html/libgit/class.repository.php b/public_html/libgit/class.repository.php
index 6a8c981..b35c032 100644
--- a/public_html/libgit/class.repository.php
+++ b/public_html/libgit/class.repository.php
@@ -63,7 +63,22 @@ class GitRepository
 		}
 		else
 		{
-			throw new GitBranchNotFoundException("The {$name} branch does not exist.");
+			throw new GitBranchNotFoundException("The '{$name}' branch does not exist.");
+		}
+	}
+	
+	function GetTag($name)
+	{
+		$filename = "{$this->path}/refs/tags/{$name}";
+		
+		if(file_exists($filename))
+		{
+			$sha = trim(file_get_contents($filename));
+			return $this->GetObject($sha);
+		}
+		else
+		{
+			throw new GitTagNotFoundException("The '{$name}' tag does not exist.");
 		}
 	}
 }
diff --git a/public_html/libgit/class.tag.php b/public_html/libgit/class.tag.php
index 42be7b8..2d68d59 100644
--- a/public_html/libgit/class.tag.php
+++ b/public_html/libgit/class.tag.php
@@ -54,4 +54,14 @@ class GitTag extends GitObject
 		
 		$this->message = implode("\n", $message_parts);
 	}
+	
+	function GetCommit()
+	{
+		return $this->repo->GetObject($this->target);
+	}
+	
+	function GetTree()
+	{
+		return $this->GetCommit()->GetTree();
+	}
 }
diff --git a/public_html/test.php b/public_html/test.php
index cef38a2..56bf6d7 100644
--- a/public_html/test.php
+++ b/public_html/test.php
@@ -2,7 +2,7 @@
 require("libgit/base.php");
 
 $repo = new GitRepository("/home/occupy/testrepo.git");
-pretty_dump($repo->GetBranch("master")->GetLastCommit());
+pretty_dump($repo->GetTag("1.0")->GetCommit());
 
 /*pretty_dump($s->GetObject("54e03e490b1bee1c154c3545bf258cab0629ee02"));
 pretty_dump($s->GetObject("98d99489382a3541e6783bb2083554785f3eb72a"));