1 /*
2  * Copyright (c) 2017 Stefan Sperling <stsp@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 struct got_object_id {
18 	u_int8_t sha1[SHA1_DIGEST_LENGTH];
19 };
20 
21 struct got_blob_object {
22 	char *dummy;
23 };
24 
25 struct got_tree_object {
26 	char *dummy;
27 };
28 
29 struct got_parent_id {
30 	SIMPLEQ_ENTRY(got_parent_id) entry;
31 	struct got_object_id id;
32 };
33 
34 SIMPLEQ_HEAD(got_parent_id_list, got_parent_id);
35 
36 struct got_commit_object {
37 	struct got_object_id tree_id;
38 	unsigned int nparents;
39 	SIMPLEQ_HEAD(, got_parent_id) parent_ids;
40 	char *author;
41 	char *committer;
42 	char *logmsg;
43 };
44 
45 struct got_object {
46 	int type;
47 #define GOT_OBJ_TYPE_COMMIT 	1
48 #define GOT_OBJ_TYPE_TREE	2
49 #define GOT_OBJ_TYPE_BLOB	3
50 
51 	size_t hdrlen;
52 	size_t size;
53 	struct got_object_id id;
54 	union {
55 		struct got_blob_object blob;
56 		struct got_tree_object tree;
57 		struct got_commit_object commit;
58 	} obj;
59 };
60 
61 struct got_repository;
62 
63 const char * got_object_id_str(struct got_object_id *, char *, size_t);
64 const struct got_error *got_object_open(struct got_object **,
65     struct got_repository *, struct got_object_id *);
66 void got_object_close(struct got_object *);
67 const struct got_error *got_object_commit_open(struct got_commit_object **,
68     struct got_repository *, struct got_object *);
69 void got_object_commit_close(struct got_commit_object *);
70