From 6de15f722daa709ee0ea5a32cc6b9b203d8bac4c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Domen=20Ko=C5=BEar?= <domen@dev.si>
Date: Wed, 16 Dec 2020 14:13:15 +0100
Subject: [PATCH] Allow HTTP binary cache to request absolute uris

---
 src/libstore/http-binary-cache-store.cc | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/libstore/http-binary-cache-store.cc b/src/libstore/http-binary-cache-store.cc
index 779f89e68..ba8bbd78b 100644
--- a/src/libstore/http-binary-cache-store.cc
+++ b/src/libstore/http-binary-cache-store.cc
@@ -82,7 +82,7 @@ protected:
         checkEnabled();
 
         try {
-            DownloadRequest request(cacheUri + "/" + path);
+            DownloadRequest request(makeRequest(path));
             request.head = true;
             getDownloader()->download(request);
             return true;
@@ -100,7 +100,7 @@ protected:
         const std::string & data,
         const std::string & mimeType) override
     {
-        auto req = DownloadRequest(cacheUri + "/" + path);
+        auto req = makeRequest(path);
         req.data = std::make_shared<string>(data); // FIXME: inefficient
         req.mimeType = mimeType;
         try {
@@ -112,8 +112,10 @@ protected:
 
     DownloadRequest makeRequest(const std::string & path)
     {
-        DownloadRequest request(cacheUri + "/" + path);
-        return request;
+        return DownloadRequest(
+            hasPrefix(path, "https://") || hasPrefix(path, "http://") || hasPrefix(path, "file://")
+            ? path
+            : cacheUri + "/" + path);
     }
 
     void getFile(const std::string & path, Sink & sink) override