index 1674391d386fd9adf91226ab5ed4353736ce3fc3..96cde4213403c6b77ca5490b459db5fad17776be 100644 (file)
--- a/notes.c
+++ b/notes.c
return 0;
}
- /* we will separate the notes by a newline anyway */
+ /* we will separate the notes by two newlines anyway */
if (cur_msg[cur_len - 1] == '\n')
cur_len--;
/* concatenate cur_msg and new_msg into buf */
- buf_len = cur_len + 1 + new_len;
+ buf_len = cur_len + 2 + new_len;
buf = (char *) xmalloc(buf_len);
memcpy(buf, cur_msg, cur_len);
buf[cur_len] = '\n';
- memcpy(buf + cur_len + 1, new_msg, new_len);
+ buf[cur_len + 1] = '\n';
+ memcpy(buf + cur_len + 2, new_msg, new_len);
free(cur_msg);
free(new_msg);
return 0;
}
+static int string_list_add_note_lines(struct string_list *sort_uniq_list,
+ const unsigned char *sha1)
+{
+ char *data;
+ unsigned long len;
+ enum object_type t;
+ struct strbuf buf = STRBUF_INIT;
+ struct strbuf **lines = NULL;
+ int i, list_index;
+
+ if (is_null_sha1(sha1))
+ return 0;
+
+ /* read_sha1_file NUL-terminates */
+ data = read_sha1_file(sha1, &t, &len);
+ if (t != OBJ_BLOB || !data || !len) {
+ free(data);
+ return t != OBJ_BLOB || !data;
+ }
+
+ strbuf_attach(&buf, data, len, len + 1);
+ lines = strbuf_split(&buf, '\n');
+
+ for (i = 0; lines[i]; i++) {
+ if (lines[i]->buf[lines[i]->len - 1] == '\n')
+ strbuf_setlen(lines[i], lines[i]->len - 1);
+ if (!lines[i]->len)
+ continue; /* skip empty lines */
+ list_index = string_list_find_insert_index(sort_uniq_list,
+ lines[i]->buf, 0);
+ if (list_index < 0)
+ continue; /* skip duplicate lines */
+ string_list_insert_at_index(sort_uniq_list, list_index,
+ lines[i]->buf);
+ }
+
+ strbuf_list_free(lines);
+ strbuf_release(&buf);
+ return 0;
+}
+
+static int string_list_join_lines_helper(struct string_list_item *item,
+ void *cb_data)
+{
+ struct strbuf *buf = cb_data;
+ strbuf_addstr(buf, item->string);
+ strbuf_addch(buf, '\n');
+ return 0;
+}
+
+int combine_notes_cat_sort_uniq(unsigned char *cur_sha1,
+ const unsigned char *new_sha1)
+{
+ struct string_list sort_uniq_list = { NULL, 0, 0, 1 };
+ struct strbuf buf = STRBUF_INIT;
+ int ret = 1;
+
+ /* read both note blob objects into unique_lines */
+ if (string_list_add_note_lines(&sort_uniq_list, cur_sha1))
+ goto out;
+ if (string_list_add_note_lines(&sort_uniq_list, new_sha1))
+ goto out;
+
+ /* create a new blob object from sort_uniq_list */
+ if (for_each_string_list(&sort_uniq_list,
+ string_list_join_lines_helper, &buf))
+ goto out;
+
+ ret = write_sha1_file(buf.buf, buf.len, blob_type, cur_sha1);
+
+out:
+ strbuf_release(&buf);
+ string_list_clear(&sort_uniq_list, 0);
+ return ret;
+}
+
static int string_list_add_one_ref(const char *path, const unsigned char *sha1,
int flag, void *cb)
{