clone: factor out checking for an alternate path

diff --git a/cache.h b/cache.h
index b5f76a4cf4b1599f024f14553dd8c99a63abf77c..1087dcaa1f9ddd376deaac12de62a8b8b69747ee 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1342,6 +1342,7 @@ extern struct alternate_object_database {
 } *alt_odb_list;
 extern void prepare_alt_odb(void);
 extern void read_info_alternates(const char * relative_base, int depth);
+extern char *compute_alternate_path(const char *path, struct strbuf *err);
 extern void add_to_alternates_file(const char *reference);
 typedef int alt_odb_fn(struct alternate_object_database *, void *);
 extern int foreach_alt_odb(alt_odb_fn, void*);