Andrew's git - gitweb.git/blob

66379ffd22ea2d08f6abc070ddf02a9c1bf45ab5
   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
   8static int initialized;
   9
  10void 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}