[PATCH] Ensure proper setup of git_dir for git-hash-object

[newren@gmail.com]

From: Elijah Newren <newren@gmail.com>

Call setup_git_directory() before git_config() to make sure git_dir is set
to the proper value.

Signed-off-by: Elijah Newren <newren@gmail.com>
---
Without this patch:
$ mkdir tmp
$ cd tmp/
$ git init --bare
Initialized empty Git repository in /home/newren/floss-development/git/tmp/
$ echo hi | git hash-object -w --stdin
error: unable to create temporary sha1 filename .git/objects/45: No such file or directory

fatal: Unable to add stdin to database
$ echo hi | git --git-dir=. hash-object -w --stdin
45b983be36b73c0788dc9cbcb76cbb80fc7bb057

 hash-object.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/hash-object.c b/hash-object.c
index 37e6677..ebb3bed 100644
--- a/hash-object.c
+++ b/hash-object.c
@@ -84,8 +84,6 @@ int main(int argc, const char **argv)
 
 	git_extract_argv0_path(argv[0]);
 
-	git_config(git_default_config, NULL);
-
 	argc = parse_options(argc, argv, hash_object_options, hash_object_usage, 0);
 
 	if (write_object) {
@@ -95,6 +93,8 @@ int main(int argc, const char **argv)
 			vpath = prefix_filename(prefix, prefix_length, vpath);
 	}
 
+	git_config(git_default_config, NULL);
+
 	if (stdin_paths) {
 		if (hashstdin)
 			errstr = "Can't use --stdin-paths with --stdin";
-- 
1.6.0.6