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Commit | Line | Data |
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4f6728d5 | 1 | #include "git-compat-util.h" |
a941d5e3 | 2 | #include "notes-cache.h" |
a034e910 | 3 | #include "object-store-ll.h" |
d4a4f929 | 4 | #include "pretty.h" |
21e1ee8f | 5 | #include "repository.h" |
a941d5e3 JK |
6 | #include "commit.h" |
7 | #include "refs.h" | |
a034e910 | 8 | #include "strbuf.h" |
a941d5e3 | 9 | |
bd7ad45b NTND |
10 | static int notes_cache_match_validity(struct repository *r, |
11 | const char *ref, | |
12 | const char *validity) | |
a941d5e3 | 13 | { |
569aa376 | 14 | struct object_id oid; |
a941d5e3 JK |
15 | struct commit *commit; |
16 | struct pretty_print_context pretty_ctx; | |
17 | struct strbuf msg = STRBUF_INIT; | |
18 | int ret; | |
19 | ||
34c290a6 | 20 | if (read_ref(ref, &oid) < 0) |
a941d5e3 JK |
21 | return 0; |
22 | ||
bd7ad45b | 23 | commit = lookup_commit_reference_gently(r, &oid, 1); |
a941d5e3 JK |
24 | if (!commit) |
25 | return 0; | |
26 | ||
27 | memset(&pretty_ctx, 0, sizeof(pretty_ctx)); | |
4a93b899 | 28 | repo_format_commit_message(r, commit, "%s", &msg, |
bab82164 | 29 | &pretty_ctx); |
a941d5e3 JK |
30 | strbuf_trim(&msg); |
31 | ||
32 | ret = !strcmp(msg.buf, validity); | |
33 | strbuf_release(&msg); | |
34 | ||
35 | return ret; | |
36 | } | |
37 | ||
bd7ad45b NTND |
38 | void notes_cache_init(struct repository *r, struct notes_cache *c, |
39 | const char *name, const char *validity) | |
a941d5e3 JK |
40 | { |
41 | struct strbuf ref = STRBUF_INIT; | |
ee76f92f | 42 | int flags = NOTES_INIT_WRITABLE; |
a941d5e3 JK |
43 | |
44 | memset(c, 0, sizeof(*c)); | |
45 | c->validity = xstrdup(validity); | |
46 | ||
47 | strbuf_addf(&ref, "refs/notes/%s", name); | |
bd7ad45b | 48 | if (!notes_cache_match_validity(r, ref.buf, validity)) |
ee76f92f | 49 | flags |= NOTES_INIT_EMPTY; |
a941d5e3 JK |
50 | init_notes(&c->tree, ref.buf, combine_notes_overwrite, flags); |
51 | strbuf_release(&ref); | |
52 | } | |
53 | ||
54 | int notes_cache_write(struct notes_cache *c) | |
55 | { | |
569aa376 | 56 | struct object_id tree_oid, commit_oid; |
a941d5e3 | 57 | |
ee76f92f MH |
58 | if (!c || !c->tree.initialized || !c->tree.update_ref || |
59 | !*c->tree.update_ref) | |
a941d5e3 JK |
60 | return -1; |
61 | if (!c->tree.dirty) | |
62 | return 0; | |
63 | ||
bbca96d5 | 64 | if (write_notes_tree(&c->tree, &tree_oid)) |
a941d5e3 | 65 | return -1; |
5078f344 PO |
66 | if (commit_tree(c->validity, strlen(c->validity), &tree_oid, NULL, |
67 | &commit_oid, NULL, NULL) < 0) | |
a941d5e3 | 68 | return -1; |
ae077771 | 69 | if (update_ref("update notes cache", c->tree.update_ref, &commit_oid, |
ee76f92f | 70 | NULL, 0, UPDATE_REFS_QUIET_ON_ERR) < 0) |
a941d5e3 JK |
71 | return -1; |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
569aa376 | 76 | char *notes_cache_get(struct notes_cache *c, struct object_id *key_oid, |
a941d5e3 JK |
77 | size_t *outsize) |
78 | { | |
9ef72230 | 79 | const struct object_id *value_oid; |
a941d5e3 JK |
80 | enum object_type type; |
81 | char *value; | |
82 | unsigned long size; | |
83 | ||
5ee8a954 | 84 | value_oid = get_note(&c->tree, key_oid); |
9ef72230 | 85 | if (!value_oid) |
a941d5e3 | 86 | return NULL; |
bc726bd0 | 87 | value = repo_read_object_file(the_repository, value_oid, &type, &size); |
a941d5e3 JK |
88 | |
89 | *outsize = size; | |
90 | return value; | |
91 | } | |
92 | ||
569aa376 | 93 | int notes_cache_put(struct notes_cache *c, struct object_id *key_oid, |
a941d5e3 JK |
94 | const char *data, size_t size) |
95 | { | |
569aa376 | 96 | struct object_id value_oid; |
a941d5e3 | 97 | |
c80d226a | 98 | if (write_object_file(data, size, OBJ_BLOB, &value_oid) < 0) |
a941d5e3 | 99 | return -1; |
5ee8a954 | 100 | return add_note(&c->tree, key_oid, &value_oid, NULL); |
a941d5e3 | 101 | } |