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Commit | Line | Data |
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a941d5e3 JK |
1 | #include "cache.h" |
2 | #include "notes-cache.h" | |
3 | #include "commit.h" | |
4 | #include "refs.h" | |
5 | ||
6 | static int notes_cache_match_validity(const char *ref, const char *validity) | |
7 | { | |
569aa376 | 8 | struct object_id oid; |
a941d5e3 JK |
9 | struct commit *commit; |
10 | struct pretty_print_context pretty_ctx; | |
11 | struct strbuf msg = STRBUF_INIT; | |
12 | int ret; | |
13 | ||
34c290a6 | 14 | if (read_ref(ref, &oid) < 0) |
a941d5e3 JK |
15 | return 0; |
16 | ||
bc83266a | 17 | commit = lookup_commit_reference_gently(&oid, 1); |
a941d5e3 JK |
18 | if (!commit) |
19 | return 0; | |
20 | ||
21 | memset(&pretty_ctx, 0, sizeof(pretty_ctx)); | |
22 | format_commit_message(commit, "%s", &msg, &pretty_ctx); | |
23 | strbuf_trim(&msg); | |
24 | ||
25 | ret = !strcmp(msg.buf, validity); | |
26 | strbuf_release(&msg); | |
27 | ||
28 | return ret; | |
29 | } | |
30 | ||
31 | void notes_cache_init(struct notes_cache *c, const char *name, | |
32 | const char *validity) | |
33 | { | |
34 | struct strbuf ref = STRBUF_INIT; | |
ee76f92f | 35 | int flags = NOTES_INIT_WRITABLE; |
a941d5e3 JK |
36 | |
37 | memset(c, 0, sizeof(*c)); | |
38 | c->validity = xstrdup(validity); | |
39 | ||
40 | strbuf_addf(&ref, "refs/notes/%s", name); | |
41 | if (!notes_cache_match_validity(ref.buf, validity)) | |
ee76f92f | 42 | flags |= NOTES_INIT_EMPTY; |
a941d5e3 JK |
43 | init_notes(&c->tree, ref.buf, combine_notes_overwrite, flags); |
44 | strbuf_release(&ref); | |
45 | } | |
46 | ||
47 | int notes_cache_write(struct notes_cache *c) | |
48 | { | |
569aa376 | 49 | struct object_id tree_oid, commit_oid; |
a941d5e3 | 50 | |
ee76f92f MH |
51 | if (!c || !c->tree.initialized || !c->tree.update_ref || |
52 | !*c->tree.update_ref) | |
a941d5e3 JK |
53 | return -1; |
54 | if (!c->tree.dirty) | |
55 | return 0; | |
56 | ||
bbca96d5 | 57 | if (write_notes_tree(&c->tree, &tree_oid)) |
a941d5e3 | 58 | return -1; |
5078f344 PO |
59 | if (commit_tree(c->validity, strlen(c->validity), &tree_oid, NULL, |
60 | &commit_oid, NULL, NULL) < 0) | |
a941d5e3 | 61 | return -1; |
ae077771 | 62 | if (update_ref("update notes cache", c->tree.update_ref, &commit_oid, |
ee76f92f | 63 | NULL, 0, UPDATE_REFS_QUIET_ON_ERR) < 0) |
a941d5e3 JK |
64 | return -1; |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
569aa376 | 69 | char *notes_cache_get(struct notes_cache *c, struct object_id *key_oid, |
a941d5e3 JK |
70 | size_t *outsize) |
71 | { | |
9ef72230 | 72 | const struct object_id *value_oid; |
a941d5e3 JK |
73 | enum object_type type; |
74 | char *value; | |
75 | unsigned long size; | |
76 | ||
5ee8a954 | 77 | value_oid = get_note(&c->tree, key_oid); |
9ef72230 | 78 | if (!value_oid) |
a941d5e3 | 79 | return NULL; |
b4f5aca4 | 80 | value = read_object_file(value_oid, &type, &size); |
a941d5e3 JK |
81 | |
82 | *outsize = size; | |
83 | return value; | |
84 | } | |
85 | ||
569aa376 | 86 | int notes_cache_put(struct notes_cache *c, struct object_id *key_oid, |
a941d5e3 JK |
87 | const char *data, size_t size) |
88 | { | |
569aa376 | 89 | struct object_id value_oid; |
a941d5e3 | 90 | |
a09c985e | 91 | if (write_object_file(data, size, "blob", &value_oid) < 0) |
a941d5e3 | 92 | return -1; |
5ee8a954 | 93 | return add_note(&c->tree, key_oid, &value_oid, NULL); |
a941d5e3 | 94 | } |