Function new_http_object_request

http.c:2828–2959

}

struct http_object_request *new_http_object_request(const char *base_url,
						    const struct object_id *oid)
{
	struct odb_source_files *files = odb_source_files_downcast(the_repository->objects->sources);
	char *hex = oid_to_hex(oid);
	struct strbuf filename = STRBUF_INIT;
	struct strbuf prevfile = STRBUF_INIT;
	int prevlocal;
	char prev_buf[PREV_BUF_SIZE];
	ssize_t prev_read = 0;
	off_t prev_posn = 0;
	struct http_object_request *freq;

	CALLOC_ARRAY(freq, 1);
	strbuf_init(&freq->tmpfile, 0);
	oidcpy(&freq->oid, oid);
	freq->localfile = -1;

	odb_loose_path(files->loose, &filename, oid);
	strbuf_addf(&freq->tmpfile, "%s.temp", filename.buf);

	strbuf_addf(&prevfile, "%s.prev", filename.buf);
	unlink_or_warn(prevfile.buf);
	rename(freq->tmpfile.buf, prevfile.buf);
	unlink_or_warn(freq->tmpfile.buf);
	strbuf_release(&filename);

	if (freq->localfile != -1)
		error("fd leakage in start: %d", freq->localfile);
	freq->localfile = open(freq->tmpfile.buf,
			       O_WRONLY | O_CREAT | O_EXCL, 0666);
	/*
	 * This could have failed due to the "lazy directory creation";
	 * try to mkdir the last path component.
	 */
	if (freq->localfile < 0 && errno == ENOENT) {
		char *dir = strrchr(freq->tmpfile.buf, '/');
		if (dir) {
			*dir = 0;
			mkdir(freq->tmpfile.buf, 0777);
			*dir = '/';
		}
		freq->localfile = open(freq->tmpfile.buf,
				       O_WRONLY | O_CREAT | O_EXCL, 0666);
	}

	if (freq->localfile < 0) {
		error_errno("Couldn't create temporary file %s",
			    freq->tmpfile.buf);
		goto abort;
	}

	git_inflate_init(&freq->stream);

	the_hash_algo->init_fn(&freq->c);

	freq->url = get_remote_object_url(base_url, hex, 0);