Use resolve_ref() to implement read_ref().

[git.git] / cache.h

diff --git a/cache.h b/cache.h
index 6365381..63823c3 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -38,10 +38,9 @@
 #define NORETURN __attribute__((__noreturn__))
 #else
 #define NORETURN
-#endif
-
 #ifndef __attribute__
-#define __attribute(x)
+#define __attribute__(x)
+#endif
 #endif
 
 /*
@@ -51,17 +50,21 @@
  *     Your search - "port 9418" - did not match any documents.
  *
  * as www.google.com puts it.
+ *
+ * This port has been properly assigned for git use by IANA:
+ * git (Assigned-9418) [I06-050728-0001].
+ *
+ *     git  9418/tcp   git pack transfer service
+ *     git  9418/udp   git pack transfer service
+ *
+ * with Linus Torvalds <torvalds@osdl.org> as the point of
+ * contact. September 2005.
+ *
+ * See http://www.iana.org/assignments/port-numbers
  */
 #define DEFAULT_GIT_PORT 9418
 
 /*
- * Environment variables transition.
- * We accept older names for now but warn.
- */
-extern char *gitenv_bc(const char *);
-#define gitenv(e) (getenv(e) ? : gitenv_bc(e))
-
-/*
  * Basic data structures for the directory cache
  */
 
@@ -133,6 +136,7 @@ extern unsigned int active_nr, active_alloc, active_cache_changed;
 #define INDEX_ENVIRONMENT "GIT_INDEX_FILE"
 #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE"
 
+extern char *get_git_dir(void);
 extern char *get_object_directory(void);
 extern char *get_refs_directory(void);
 extern char *get_index_file(void);
@@ -140,8 +144,9 @@ extern char *get_graft_file(void);
 
 #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
 
-extern const char **get_pathspec(const char *prefix, char **pathspec);
+extern const char **get_pathspec(const char *prefix, const char **pathspec);
 extern const char *setup_git_directory(void);
+extern const char *prefix_path(const char *prefix, int len, const char *path);
 
 #define alloc_nr(x) (((x)+16)*3/2)
 
@@ -154,9 +159,10 @@ extern int cache_name_pos(const char *name, int namelen);
 #define ADD_CACHE_SKIP_DFCHECK 4       /* Ok to skip DF conflict checks */
 extern int add_cache_entry(struct cache_entry *ce, int option);
 extern int remove_cache_entry_at(int pos);
-extern int remove_file_from_cache(char *path);
+extern int remove_file_from_cache(const char *path);
 extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
 extern int ce_match_stat(struct cache_entry *ce, struct stat *st);
+extern int ce_modified(struct cache_entry *ce, struct stat *st);
 extern int ce_path_match(const struct cache_entry *ce, const char **pathspec);
 extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, const char *type);
 extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
@@ -183,6 +189,7 @@ extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)
 extern char *sha1_file_name(const unsigned char *sha1);
 extern char *sha1_pack_name(const unsigned char *sha1);
 extern char *sha1_pack_index_name(const unsigned char *sha1);
+extern const unsigned char null_sha1[20];
 
 int git_mkstemp(char *path, size_t n, const char *template);
 
@@ -222,6 +229,8 @@ extern int has_pack_index(const unsigned char *sha1);
 extern int get_sha1(const char *str, unsigned char *sha1);
 extern int get_sha1_hex(const char *hex, unsigned char *sha1);
 extern char *sha1_to_hex(const unsigned char *sha1);   /* static buffer result! */
+extern int read_ref(const char *filename, unsigned char *sha1);
+extern const char *resolve_ref(const char *path, unsigned char *sha1, int);
 
 /* General helper functions */
 extern void usage(const char *err) NORETURN;
@@ -237,7 +246,7 @@ extern void *read_object_with_reference(const unsigned char *sha1,
                                        unsigned char *sha1_ret);
 
 const char *show_date(unsigned long time, int timezone);
-void parse_date(const char *date, char *buf, int bufsize);
+int parse_date(const char *date, char *buf, int bufsize);
 void datestamp(char *buf, int bufsize);
 
 extern int setup_ident(void);
@@ -309,6 +318,7 @@ struct ref {
        struct ref *next;
        unsigned char old_sha1[20];
        unsigned char new_sha1[20];
+       unsigned char force;
        struct ref *peer_ref; /* when renaming */
        char name[0];
 };
@@ -322,7 +332,7 @@ extern int get_ack(int fd, unsigned char *result_sha1);
 extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match);
 
 extern struct packed_git *parse_pack_index(unsigned char *sha1);
-extern struct packed_git *parse_pack_index_file(unsigned char *sha1, 
+extern struct packed_git *parse_pack_index_file(const unsigned char *sha1,
                                                char *idx_path);
 
 extern void prepare_packed_git(void);