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-rw-r--r--sha1_file.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sha1_file.c b/sha1_file.c
index d65ca43245..b8b897a307 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -428,6 +428,9 @@ static void link_alt_odb_entries(const char *alt, int sep,
struct strbuf objdirbuf = STRBUF_INIT;
struct strbuf entry = STRBUF_INIT;
+ if (!alt || !*alt)
+ return;
+
if (depth > 5) {
error("%s: ignoring alternate object stores, nesting too deep.",
relative_base);
@@ -631,7 +634,6 @@ void prepare_alt_odb(void)
return;
alt = getenv(ALTERNATE_DB_ENVIRONMENT);
- if (!alt) alt = "";
alt_odb_tail = &alt_odb_list;
link_alt_odb_entries(alt, PATH_SEP, NULL, 0);