Hi,

On Sun, 5 Aug 2007, Junio C Hamano wrote:

quoted text
>    If you say:
> 
> 	git --work-tree=. foo
> 
>    without saying anything about GIT_DIR, shouldn't we run the
>    usual .git/ discovery, going up the directories? 

Well, it seems natural.

The problem is that if you are in a bare repository, after 
setup_git_directory_gently() you will no longer be able to tell where you 
started from, but you are in the same directory that HEAD was found.

I had the following patch, but it breaks all kinds of tests :-(

Will keep you posted,
Dscho

-- snipsnap --

 setup.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/setup.c b/setup.c
index d87e4e1..c627623 100644
--- a/setup.c
+++ b/setup.c
@@ -291,7 +291,7 @@ const char *setup_git_directory_gently(int *nongit_ok)
 			if (!work_tree_env)
 				inside_work_tree = 0;
 			setenv(GIT_DIR_ENVIRONMENT, ".", 1);
-			return NULL;
+			goto ret;
 		}
 		chdir("..");
 		do {
@@ -311,6 +311,7 @@ const char *setup_git_directory_gently(int *nongit_ok)
 	if (!work_tree_env)
 		inside_work_tree = 1;
 	git_work_tree_cfg = xstrndup(cwd, offset);
+ret:
 	if (offset == len)
 		return NULL;
 
@@ -376,14 +377,15 @@ const char *setup_git_directory(void)
 	/* If the work tree is not the default one, recompute prefix */
 	if (inside_work_tree < 0) {
 		static char buffer[PATH_MAX + 1];
+		const char *git_dir = get_git_dir();
 		char *rel;
 
 		/*
 		 * When the git dir was determined automatically, it is
 		 * a relative path.
 		 */
-		if (!getenv(GIT_DIR_ENVIRONMENT))
-			set_git_dir(make_absolute_path(get_git_dir()));
+		if (!is_absolute_path(git_dir))
+			set_git_dir(make_absolute_path(git_dir));
 
 		if (retval && chdir(retval))
 			die ("Could not jump back into original cwd");
-
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