diff --git a/environment.c b/environment.c
index 913b0580afbe6414af4d08518f5f356817bd0cb6..c79f2a9b561de77e27abd7ee26831e2a58beb259 100644 (file)
--- a/environment.c
+++ b/environment.c
static void setup_git_env(void)
{
git_dir = getenv(GIT_DIR_ENVIRONMENT);
+ git_dir = git_dir ? xstrdup(git_dir) : NULL;
if (!git_dir) {
git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
git_dir = git_dir ? xstrdup(git_dir) : NULL;