From f8b30338ac231262bdf19844f044f0572c460048 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 22 May 2019 23:36:29 +0200
Subject: Refactor downloadCached() interface

(cherry picked from commit df3f5a78d5ab0a1f2dc9d288b271b38a9b8b33b5)
---
 src/libstore/download.hh | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

(limited to 'src/libstore/download.hh')

diff --git a/src/libstore/download.hh b/src/libstore/download.hh
index dae082ab9aed..9e965b506d0a 100644
--- a/src/libstore/download.hh
+++ b/src/libstore/download.hh
@@ -57,11 +57,23 @@ struct DownloadResult
 {
     bool cached = false;
     std::string etag;
-    std::string effectiveUrl;
+    std::string effectiveUri;
     std::shared_ptr<std::string> data;
     uint64_t bodySize = 0;
 };
 
+struct CachedDownloadRequest
+{
+    std::string uri;
+    bool unpack = false;
+    std::string name;
+    Hash expectedHash;
+    unsigned int ttl = settings.tarballTtl;
+
+    CachedDownloadRequest(const std::string & uri)
+        : uri(uri) { }
+};
+
 struct CachedDownloadResult
 {
     // Note: 'storePath' may be different from 'path' when using a
@@ -69,6 +81,7 @@ struct CachedDownloadResult
     Path storePath;
     Path path;
     std::optional<std::string> etag;
+    std::string effectiveUri;
 };
 
 class Store;
@@ -96,10 +109,7 @@ struct Downloader
        and is more recent than ‘tarball-ttl’ seconds. Otherwise,
        use the recorded ETag to verify if the server has a more
        recent version, and if so, download it to the Nix store. */
-    CachedDownloadResult downloadCached(
-        ref<Store> store, const string & uri, bool unpack, string name = "",
-        const Hash & expectedHash = Hash(), string * effectiveUri = nullptr,
-        int ttl = settings.tarballTtl);
+    CachedDownloadResult downloadCached(ref<Store> store, const CachedDownloadRequest & request);
 
     enum Error { NotFound, Forbidden, Misc, Transient, Interrupted };
 };
-- 
cgit 1.4.1