t7001: add test case for --dry-run

diff --git a/cache.h b/cache.h
index ee2db602bc1478e833ee6631a658d80594d82379..5cc116ba4221f6655271d867a9bcc445b1bd26ad 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1264,8 +1264,8 @@ static inline unsigned int hexval(unsigned char c)
  */
 static inline int hex2chr(const char *s)
 {
-       int val = hexval(s[0]);
-       return (val < 0) ? val : (val << 4) | hexval(s[1]);
+       unsigned int val = hexval(s[0]);
+       return (val & ~0xf) ? val : (val << 4) | hexval(s[1]);
 }
 
 /* Convert to/from hex/sha1 representation */
@@ -1545,7 +1545,6 @@ extern struct alternate_object_database {
        char path[FLEX_ARRAY];
 } *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);
 typedef int alt_odb_fn(struct alternate_object_database *, void *);
 extern int foreach_alt_odb(alt_odb_fn, void*);