t: add basic tests for our SHA-1 implementation

diff --git a/shallow.c b/shallow.c
index dbe8a2a2906abf9b393eeca1cdad8c9425c3e4bb..99fd2d1ba0f70aaf238f55aae006a12e38090342 100644 (file)
--- a/shallow.c
+++ b/shallow.c
@@ -16,6 +16,7 @@
 #include "list-objects.h"
 #include "commit-slab.h"
 #include "repository.h"
+#include "commit-reach.h"
 
 void set_alternate_shallow_file(struct repository *r, const char *path, int override)
 {