replace_object: add a test case

diff --git a/cache.h b/cache.h
index ab1294d6fbb7f699af160ac06674e54798f3db6c..94b12284a265954d55168d33b699c269a4d8b190 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -554,6 +554,13 @@ extern enum branch_track git_branch_track;
 extern enum rebase_setup_type autorebase;
 extern enum push_default_type push_default;
 
+enum object_creation_mode {
+       OBJECT_CREATION_USES_HARDLINKS = 0,
+       OBJECT_CREATION_USES_RENAMES = 1,
+};
+
+extern enum object_creation_mode object_creation_mode;
+
 #define GIT_REPO_VERSION 0
 extern int repository_format_version;
 extern int check_repository_format(void);
@@ -642,7 +649,11 @@ char *strip_path_suffix(const char *path, const char *suffix);
 
 /* Read and unpack a sha1 file into memory, write memory to a sha1 file */
 extern int sha1_object_info(const unsigned char *, unsigned long *);
-extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size);
+extern void *read_sha1_file_repl(const unsigned char *sha1, enum object_type *type, unsigned long *size, const unsigned char **replacement);
+static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
+{
+       return read_sha1_file_repl(sha1, type, size, NULL);
+}
 extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
 extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
 extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
@@ -839,7 +850,7 @@ extern struct packed_git *find_sha1_pack(const unsigned char *sha1,
 
 extern void pack_report(void);
 extern int open_pack_index(struct packed_git *);
-extern unsigned char* use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *);
+extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned int *);
 extern void close_pack_windows(struct packed_git *);
 extern void unuse_pack(struct pack_window **);
 extern void free_pack_by_name(const char *);