Add some more decls from git (cache.h, tag.h)

This is in preparation for extended tag support in cgit

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/git.h b/git.h
index b1e4828..991eaa5 100644
--- a/git.h
+++ b/git.h
@@ -115,24 +115,37 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
 		return nr;
 	}
 }
 
 
 
 
 /*
  * from git:cache.h
  */
 
 
+enum object_type {
+	OBJ_NONE = 0,
+	OBJ_COMMIT = 1,
+	OBJ_TREE = 2,
+	OBJ_BLOB = 3,
+	OBJ_TAG = 4,
+	/* 5 for future expansion */
+	OBJ_OFS_DELTA = 6,
+	OBJ_REF_DELTA = 7,
+	OBJ_BAD,
+};
+
+
 /* Convert to/from hex/sha1 representation */
 #define MINIMUM_ABBREV 4
 #define DEFAULT_ABBREV 7
 
 extern const unsigned char null_sha1[20];
 
 extern int sha1_object_info(const unsigned char *, char *, unsigned long *);
 
 extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
 
 extern int get_sha1(const char *str, unsigned char *sha1);
 extern int get_sha1_hex(const char *hex, unsigned char *sha1);
@@ -219,24 +232,26 @@ struct grep_opt {
         unsigned post_context;
 };
 
 
 extern void compile_grep_patterns(struct grep_opt *opt);
 extern void free_grep_patterns(struct grep_opt *opt);
 
 
 /*
  * from git:object.h 
  */
 
+extern const char *type_names[9];
+
 struct object_list {
 	struct object *item;
 	struct object_list *next;
 };
 
 struct object_refs {
 	unsigned count;
 	struct object *base;
 	struct object *ref[FLEX_ARRAY]; /* more */
 };
 
 struct object_array {
@@ -335,24 +350,43 @@ enum cmit_fmt {
 	CMIT_FMT_UNSPECIFIED,
 };
 
 extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject, int relative_date);
 
 
 typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
 typedef void* (*topo_sort_get_fn_t)(struct commit*);
 
 
 
 /*
+ * from git:tag.h
+ */
+
+extern const char *tag_type;
+
+struct tag {
+	struct object object;
+	struct object *tagged;
+	char *tag;
+	char *signature; /* not actually implemented */
+};
+
+extern struct tag *lookup_tag(const unsigned char *sha1);
+extern int parse_tag_buffer(struct tag *item, void *data, unsigned long size);
+extern int parse_tag(struct tag *item);
+extern struct object *deref_tag(struct object *, const char *, int);
+
+
+/*
  * from git:diffcore.h
  */
 
 struct diff_filespec {
 	unsigned char sha1[20];
 	char *path;
 	void *data;
 	void *cnt_data;
 	unsigned long size;
 	int xfrm_flags;		 /* for use by the xfrm */
 	unsigned short mode;	 /* file mode */
 	unsigned sha1_valid : 1; /* if true, use sha1 and trust mode;