blob: 2473314d686858493c6730e895e7106e44a462f9 [file] [log] [blame]
Jeff Kinga941d5e2010-04-01 20:07:40 -04001#include "cache.h"
2#include "notes-cache.h"
Stefan Bellercbd53a22018-05-15 16:42:15 -07003#include "object-store.h"
Stefan Beller21e1ee82018-06-28 18:21:57 -07004#include "repository.h"
Jeff Kinga941d5e2010-04-01 20:07:40 -04005#include "commit.h"
6#include "refs.h"
7
Nguyễn Thái Ngọc Duybd7ad452018-11-10 06:49:06 +01008static int notes_cache_match_validity(struct repository *r,
9 const char *ref,
10 const char *validity)
Jeff Kinga941d5e2010-04-01 20:07:40 -040011{
brian m. carlson569aa372017-05-06 22:09:58 +000012 struct object_id oid;
Jeff Kinga941d5e2010-04-01 20:07:40 -040013 struct commit *commit;
14 struct pretty_print_context pretty_ctx;
15 struct strbuf msg = STRBUF_INIT;
16 int ret;
17
brian m. carlson34c290a2017-10-15 22:06:56 +000018 if (read_ref(ref, &oid) < 0)
Jeff Kinga941d5e2010-04-01 20:07:40 -040019 return 0;
20
Nguyễn Thái Ngọc Duybd7ad452018-11-10 06:49:06 +010021 commit = lookup_commit_reference_gently(r, &oid, 1);
Jeff Kinga941d5e2010-04-01 20:07:40 -040022 if (!commit)
23 return 0;
24
25 memset(&pretty_ctx, 0, sizeof(pretty_ctx));
26 format_commit_message(commit, "%s", &msg, &pretty_ctx);
27 strbuf_trim(&msg);
28
29 ret = !strcmp(msg.buf, validity);
30 strbuf_release(&msg);
31
32 return ret;
33}
34
Nguyễn Thái Ngọc Duybd7ad452018-11-10 06:49:06 +010035void notes_cache_init(struct repository *r, struct notes_cache *c,
36 const char *name, const char *validity)
Jeff Kinga941d5e2010-04-01 20:07:40 -040037{
38 struct strbuf ref = STRBUF_INIT;
Mike Hommeyee76f922015-10-08 11:54:43 +090039 int flags = NOTES_INIT_WRITABLE;
Jeff Kinga941d5e2010-04-01 20:07:40 -040040
41 memset(c, 0, sizeof(*c));
42 c->validity = xstrdup(validity);
43
44 strbuf_addf(&ref, "refs/notes/%s", name);
Nguyễn Thái Ngọc Duybd7ad452018-11-10 06:49:06 +010045 if (!notes_cache_match_validity(r, ref.buf, validity))
Mike Hommeyee76f922015-10-08 11:54:43 +090046 flags |= NOTES_INIT_EMPTY;
Jeff Kinga941d5e2010-04-01 20:07:40 -040047 init_notes(&c->tree, ref.buf, combine_notes_overwrite, flags);
48 strbuf_release(&ref);
49}
50
51int notes_cache_write(struct notes_cache *c)
52{
brian m. carlson569aa372017-05-06 22:09:58 +000053 struct object_id tree_oid, commit_oid;
Jeff Kinga941d5e2010-04-01 20:07:40 -040054
Mike Hommeyee76f922015-10-08 11:54:43 +090055 if (!c || !c->tree.initialized || !c->tree.update_ref ||
56 !*c->tree.update_ref)
Jeff Kinga941d5e2010-04-01 20:07:40 -040057 return -1;
58 if (!c->tree.dirty)
59 return 0;
60
Patryk Obarabbca96d2018-01-28 01:13:18 +010061 if (write_notes_tree(&c->tree, &tree_oid))
Jeff Kinga941d5e2010-04-01 20:07:40 -040062 return -1;
Patryk Obara5078f342018-01-28 01:13:16 +010063 if (commit_tree(c->validity, strlen(c->validity), &tree_oid, NULL,
64 &commit_oid, NULL, NULL) < 0)
Jeff Kinga941d5e2010-04-01 20:07:40 -040065 return -1;
brian m. carlsonae077772017-10-15 22:06:51 +000066 if (update_ref("update notes cache", c->tree.update_ref, &commit_oid,
Mike Hommeyee76f922015-10-08 11:54:43 +090067 NULL, 0, UPDATE_REFS_QUIET_ON_ERR) < 0)
Jeff Kinga941d5e2010-04-01 20:07:40 -040068 return -1;
69
70 return 0;
71}
72
brian m. carlson569aa372017-05-06 22:09:58 +000073char *notes_cache_get(struct notes_cache *c, struct object_id *key_oid,
Jeff Kinga941d5e2010-04-01 20:07:40 -040074 size_t *outsize)
75{
brian m. carlson9ef72232017-05-30 10:30:40 -070076 const struct object_id *value_oid;
Jeff Kinga941d5e2010-04-01 20:07:40 -040077 enum object_type type;
78 char *value;
79 unsigned long size;
80
brian m. carlson5ee8a952017-05-30 10:30:43 -070081 value_oid = get_note(&c->tree, key_oid);
brian m. carlson9ef72232017-05-30 10:30:40 -070082 if (!value_oid)
Jeff Kinga941d5e2010-04-01 20:07:40 -040083 return NULL;
brian m. carlsonb4f5aca2018-03-12 02:27:53 +000084 value = read_object_file(value_oid, &type, &size);
Jeff Kinga941d5e2010-04-01 20:07:40 -040085
86 *outsize = size;
87 return value;
88}
89
brian m. carlson569aa372017-05-06 22:09:58 +000090int notes_cache_put(struct notes_cache *c, struct object_id *key_oid,
Jeff Kinga941d5e2010-04-01 20:07:40 -040091 const char *data, size_t size)
92{
brian m. carlson569aa372017-05-06 22:09:58 +000093 struct object_id value_oid;
Jeff Kinga941d5e2010-04-01 20:07:40 -040094
Patryk Obaraa09c9852018-01-28 01:13:19 +010095 if (write_object_file(data, size, "blob", &value_oid) < 0)
Jeff Kinga941d5e2010-04-01 20:07:40 -040096 return -1;
brian m. carlson5ee8a952017-05-30 10:30:43 -070097 return add_note(&c->tree, key_oid, &value_oid, NULL);
Jeff Kinga941d5e2010-04-01 20:07:40 -040098}