Andrew's git - gitweb.git/blob

91ec77f3f045da17bb79b0d8403d63520e027555
   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        const char *hex;
  16        unsigned char sha1[20];
  17        char *msg;
  18        unsigned long msgoffset, msglen;
  19        enum object_type type;
  20
  21        if (!initialized) {
  22                const char *env = getenv(GIT_NOTES_REF_ENVIRONMENT);
  23                if (env)
  24                        notes_ref_name = getenv(GIT_NOTES_REF_ENVIRONMENT);
  25                else if (!notes_ref_name)
  26                        notes_ref_name = GIT_NOTES_DEFAULT_REF;
  27                if (notes_ref_name && read_ref(notes_ref_name, sha1))
  28                        notes_ref_name = NULL;
  29                initialized = 1;
  30        }
  31
  32        if (!notes_ref_name)
  33                return;
  34
  35        strbuf_addf(&name, "%s:%s", notes_ref_name,
  36                        sha1_to_hex(commit->object.sha1));
  37        if (get_sha1(name.buf, sha1))
  38                return;
  39
  40        if (!(msg = read_sha1_file(sha1, &type, &msglen)) || !msglen ||
  41                        type != OBJ_BLOB)
  42                return;
  43
  44        if (output_encoding && *output_encoding &&
  45                        strcmp(utf8, output_encoding)) {
  46                char *reencoded = reencode_string(msg, output_encoding, utf8);
  47                if (reencoded) {
  48                        free(msg);
  49                        msg = reencoded;
  50                        msglen = strlen(msg);
  51                }
  52        }
  53
  54        /* we will end the annotation by a newline anyway */
  55        if (msglen && msg[msglen - 1] == '\n')
  56                msglen--;
  57
  58        strbuf_addstr(sb, "\nNotes:\n");
  59
  60        for (msgoffset = 0; msgoffset < msglen;) {
  61                int linelen = strchrnul(msg, '\n') - msg;
  62
  63                strbuf_addstr(sb, "    ");
  64                strbuf_add(sb, msg + msgoffset, linelen);
  65                msgoffset += linelen;
  66        }
  67        free(msg);
  68}