[PATCH] export setup_git_env()

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After changing environment variables used by environment.c
we need to call getenv() again.  setup_git_env() does this
and can now be used from other files too.

Signed-off-by: Matthias Lederhofer <matled@xxxxxxx>
---
 cache.h       |    1 +
 environment.c |    2 +-
 2 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/cache.h b/cache.h
index 384b260..7b49258 100644
--- a/cache.h
+++ b/cache.h
@@ -154,6 +154,7 @@ enum object_type {
 #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH"
 
 extern int is_bare_repository_cfg;
+extern void setup_git_env(void);
 extern int is_bare_repository(void);
 extern int is_inside_git_dir(void);
 extern const char *get_git_dir(void);
diff --git a/environment.c b/environment.c
index 2231659..713a011 100644
--- a/environment.c
+++ b/environment.c
@@ -35,7 +35,7 @@ int auto_crlf = 0;	/* 1: both ways, -1: only when adding git objects */
 static const char *git_dir;
 static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
 
-static void setup_git_env(void)
+void setup_git_env(void)
 {
 	git_dir = getenv(GIT_DIR_ENVIRONMENT);
 	if (!git_dir)
-- 
1.5.1.4.g446af-dirty

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