[PATCH v2 1/2] Check DB_ENVIRONMENT using is_directory()

[tboegi@web.de]

From: Torsten Bögershausen <tboegi@web.de>

In setup.c is_git_directory() checks a Git directory using access(X_OK).
This does not check, if path is a file or a directory.
Check path with is_directory() instead.
---
After all the discussions (and lots of tests) I found that this patch
works for my setup.
All in all could the error reporting be improvved for is_git_directory(),
as there may be "access denied", or "not a directory" or others, but
that is for another day.

setup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.c b/setup.c
index 358fbc2..5a7ee2e 100644
--- a/setup.c
+++ b/setup.c
@@ -321,7 +321,7 @@ int is_git_directory(const char *suspect)
 
 	/* Check non-worktree-related signatures */
 	if (getenv(DB_ENVIRONMENT)) {
-		if (access(getenv(DB_ENVIRONMENT), X_OK))
+		if (!is_directory(getenv(DB_ENVIRONMENT)))
 			goto done;
 	}
 	else {
-- 
2.10.0