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Commit | Line | Data |
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a97a7468 JS |
1 | #include "cache.h" |
2 | #include "commit.h" | |
3 | #include "notes.h" | |
4 | #include "refs.h" | |
5 | #include "utf8.h" | |
6 | #include "strbuf.h" | |
7 | ||
8 | static int initialized; | |
9 | ||
10 | void get_commit_notes(const struct commit *commit, struct strbuf *sb, | |
11 | const char *output_encoding) | |
12 | { | |
13 | static const char utf8[] = "utf-8"; | |
14 | struct strbuf name = STRBUF_INIT; | |
15 | unsigned char sha1[20]; | |
16 | char *msg, *msg_p; | |
17 | unsigned long linelen, msglen; | |
18 | enum object_type type; | |
19 | ||
20 | if (!initialized) { | |
21 | const char *env = getenv(GIT_NOTES_REF_ENVIRONMENT); | |
22 | if (env) | |
23 | notes_ref_name = getenv(GIT_NOTES_REF_ENVIRONMENT); | |
24 | else if (!notes_ref_name) | |
25 | notes_ref_name = GIT_NOTES_DEFAULT_REF; | |
26 | if (notes_ref_name && read_ref(notes_ref_name, sha1)) | |
27 | notes_ref_name = NULL; | |
28 | initialized = 1; | |
29 | } | |
30 | ||
31 | if (!notes_ref_name) | |
32 | return; | |
33 | ||
34 | strbuf_addf(&name, "%s:%s", notes_ref_name, | |
35 | sha1_to_hex(commit->object.sha1)); | |
36 | if (get_sha1(name.buf, sha1)) | |
37 | return; | |
38 | ||
39 | if (!(msg = read_sha1_file(sha1, &type, &msglen)) || !msglen || | |
40 | type != OBJ_BLOB) { | |
41 | free(msg); | |
42 | return; | |
43 | } | |
44 | ||
45 | if (output_encoding && *output_encoding && | |
46 | strcmp(utf8, output_encoding)) { | |
47 | char *reencoded = reencode_string(msg, output_encoding, utf8); | |
48 | if (reencoded) { | |
49 | free(msg); | |
50 | msg = reencoded; | |
51 | msglen = strlen(msg); | |
52 | } | |
53 | } | |
54 | ||
55 | /* we will end the annotation by a newline anyway */ | |
56 | if (msglen && msg[msglen - 1] == '\n') | |
57 | msglen--; | |
58 | ||
59 | strbuf_addstr(sb, "\nNotes:\n"); | |
60 | ||
61 | for (msg_p = msg; msg_p < msg + msglen; msg_p += linelen + 1) { | |
62 | linelen = strchrnul(msg_p, '\n') - msg_p; | |
63 | ||
64 | strbuf_addstr(sb, " "); | |
65 | strbuf_add(sb, msg_p, linelen); | |
66 | strbuf_addch(sb, '\n'); | |
67 | } | |
68 | ||
69 | free(msg); | |
70 | } |