diff options
Diffstat (limited to 'src/fetch.c')
-rw-r--r-- | src/fetch.c | 61 |
1 files changed, 34 insertions, 27 deletions
diff --git a/src/fetch.c b/src/fetch.c index f3debd0..028a999 100644 --- a/src/fetch.c +++ b/src/fetch.c @@ -95,67 +95,74 @@ static int fetch_package(struct fetch_ctx *fctx, { struct apk_istream *is; struct apk_repository *repo; - char pkgfile[PATH_MAX], url[PATH_MAX]; - int r, fd; + struct apk_file_info fi; + char url[PATH_MAX], filename[256]; + int r, fd, urlfd; - apk_pkg_format_plain(pkg, APK_BLOB_BUF(pkgfile)); + repo = apk_db_select_repo(db, pkg); + if (repo == NULL) { + r = -ENOPKG; + goto err; + } - if (!(fctx->flags & FETCH_STDOUT)) { - struct apk_file_info fi; + if (snprintf(filename, sizeof(filename), PKG_FILE_FMT, PKG_FILE_PRINTF(pkg)) >= sizeof(filename)) { + r = -ENOBUFS; + goto err; + } - if (apk_file_get_info(fctx->outdir_fd, pkgfile, - APK_CHECKSUM_NONE, &fi) == 0 && + if (!(fctx->flags & FETCH_STDOUT)) { + if (apk_file_get_info(fctx->outdir_fd, filename, APK_CHECKSUM_NONE, &fi) == 0 && fi.size == pkg->size) return 0; } apk_message("Downloading " PKG_VER_FMT, PKG_VER_PRINTF(pkg)); - repo = apk_db_select_repo(db, pkg); - if (repo == NULL) { - apk_error(PKG_VER_FMT ": package is not currently available", - PKG_VER_PRINTF(pkg)); - return -1; - } - if (apk_flags & APK_SIMULATE) return 0; - apk_repo_format_filename(url, sizeof(url), repo->url, pkg->arch, pkgfile); + r = apk_repo_format_item(db, repo, pkg, &urlfd, url, sizeof(url)); + if (r < 0) + goto err; if (fctx->flags & FETCH_STDOUT) { fd = STDOUT_FILENO; } else { - if ((fctx->flags & FETCH_LINK) && apk_url_local_file(url)) { - if (linkat(AT_FDCWD, url, - fctx->outdir_fd, pkgfile, + if ((fctx->flags & FETCH_LINK) && urlfd >= 0) { + if (linkat(urlfd, url, + fctx->outdir_fd, filename, AT_SYMLINK_FOLLOW) == 0) return 0; } - fd = openat(fctx->outdir_fd, pkgfile, + fd = openat(fctx->outdir_fd, filename, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, 0644); if (fd < 0) { - apk_error("%s: %s", pkgfile, strerror(errno)); - return -1; + r = -errno; + goto err; } } - is = apk_istream_from_url(url); + is = apk_istream_from_fd_url(urlfd, url); if (is == NULL) { - apk_error("Unable to download '%s'", url); - return -1; + r = -EIO; + goto err; } r = apk_istream_splice(is, fd, pkg->size, NULL, NULL); is->close(is); if (fd != STDOUT_FILENO) close(fd); + if (r != pkg->size) { - apk_error("Unable to download '%s'", url); - unlinkat(fctx->outdir_fd, pkgfile, 0); - return -1; + unlinkat(fctx->outdir_fd, filename, 0); + if (r >= 0) r = -EIO; + goto err; } return 0; + +err: + apk_error(PKG_VER_FMT ": %s", PKG_VER_PRINTF(pkg), apk_error_str(r)); + return r; } static int fetch_main(void *ctx, struct apk_database *db, int argc, char **argv) |