Add "git-patch-id" program to generate patch ID's.

diff --git a/cache.h b/cache.h
index 95353a10a37d06bcc5d31f4d91cbb35f367b7c1a..6a7525afc982166430b6277cc756c8911f9b2bdb 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -117,6 +117,7 @@ extern unsigned int active_nr, active_alloc, active_cache_changed;
 #define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
 
 extern char *get_object_directory(void);
+extern char *get_refs_directory(void);
 extern char *get_index_file(void);
 
 #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
@@ -166,7 +167,7 @@ extern void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, uns
 extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
 extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
 
-extern int check_sha1_signature(unsigned char *sha1, void *buf, unsigned long size, const char *type);
+extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
 
 /* Read a tree into the cache */
 extern int read_tree(void *buffer, unsigned long size, int stage);