submodule: port resolve_relative_url from shell to C

diff --git a/environment.c b/environment.c
index b329024f134a9c859689f99e8818d8b58a6b05ce..6dec9d0403f11579a7ab316db87a1dbbc58e71b2 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -242,8 +242,6 @@ void set_git_work_tree(const char *new_work_tree)
        }
        git_work_tree_initialized = 1;
        work_tree = xstrdup(real_path(new_work_tree));
-       if (setenv(GIT_WORK_TREE_ENVIRONMENT, work_tree, 1))
-               die("could not set GIT_WORK_TREE to '%s'", work_tree);
 }
 
 const char *get_git_work_tree(void)