setup_git_directory: make sure GIT_DIR is a valid repository.

diff --git a/Documentation/git-unpack-objects.txt b/Documentation/git-unpack-objects.txt
index 9b982d996f04ba29d16debf1392485f6b5d99f09..31ea34d2292a2eb31ec4532c021c11c7e0de3d99 100644 (file)
--- a/Documentation/git-unpack-objects.txt
+++ b/Documentation/git-unpack-objects.txt
@@ -1,6 +1,5 @@
 git-unpack-objects(1)
 =====================
-v0.1, July 2005
 
 NAME
 ----
@@ -9,7 +8,7 @@ git-unpack-objects - Unpack objects from a packed archive.
 
 SYNOPSIS
 --------
-'git-unpack-objects' [-q] <pack-file
+'git-unpack-objects' [-n] [-q] <pack-file
 
 
 DESCRIPTION
@@ -20,6 +19,10 @@ one-object" format in $GIT_OBJECT_DIRECTORY.
 
 OPTIONS
 -------
+-n::
+        Only list the objects that would be unpacked, don't actually unpack
+        them.
+
 -q::
        The command usually shows percentage progress.  This
        flag suppresses it.