getenv/setenv: use constants if available
There were places using "GIT_DIR" instead of GIT_DIR_ENVIRONMENT and
"GIT_CONFIG" instead of CONFIG_ENVIRONMENT. This makes it easier to
find all places touching an environment variable using git grep or
similar tools.
Signed-off-by: Matthias Lederhofer <matled@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/path.c b/path.c
index 6395cf2..c4ce962 100644
--- a/path.c
+++ b/path.c
@@ -252,7 +252,7 @@
if (access("objects", X_OK) == 0 && access("refs", X_OK) == 0 &&
validate_headref("HEAD") == 0) {
- setenv("GIT_DIR", ".", 1);
+ setenv(GIT_DIR_ENVIRONMENT, ".", 1);
check_repository_format();
return path;
}