setup_git_directory: make sure GIT_DIR is a valid repository.

diff --git a/Documentation/git-tar-tree.txt b/Documentation/git-tar-tree.txt
index dc8d0fa92fa901cc07b8d1e9ec00ea380e1b43a2..2139b6ff8ce3df6d1c872be1410349e2637eb4f1 100644 (file)
--- a/Documentation/git-tar-tree.txt
+++ b/Documentation/git-tar-tree.txt
@@ -1,6 +1,5 @@
 git-tar-tree(1)
 ===============
-v0.1, May 2005
 
 NAME
 ----
@@ -14,7 +13,7 @@ SYNOPSIS
 DESCRIPTION
 -----------
 Creates a tar archive containing the tree structure for the named tree.
-When <base> is specified it is added as a leading path as the files in the
+When <base> is specified it is added as a leading path to the files in the
 generated tar archive.
 
 git-tar-tree behaves differently when given a tree ID versus when given
@@ -35,5 +34,5 @@ Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel
 
 GIT
 ---
-Part of the link:git.html[git] suite
+Part of the gitlink:git[7] suite