Make Headers an optional argument

4 files changed, 16 insertions, 15 deletions

diff --git a/src/libfetchers/fetchers.hh b/src/libfetchers/fetchers.hh
index 0adc2c9f5..36d44f6e1 100644
--- a/src/libfetchers/fetchers.hh
+++ b/src/libfetchers/fetchers.hh
@@ -118,15 +118,15 @@ struct DownloadFileResult
 DownloadFileResult downloadFile(
     ref<Store> store,
     const std::string & url,
-    const Headers & headers,
     const std::string & name,
-    bool immutable);
+    bool immutable,
+    const Headers & headers = {});
 
 std::pair<Tree, time_t> downloadTarball(
     ref<Store> store,
     const std::string & url,
-    const Headers & headers,
     const std::string & name,
-    bool immutable);
+    bool immutable,
+    const Headers & headers = {});
 
 }
diff --git a/src/libfetchers/github.cc b/src/libfetchers/github.cc
index 3734c4278..ec99481e1 100644
--- a/src/libfetchers/github.cc
+++ b/src/libfetchers/github.cc
@@ -175,7 +175,7 @@ struct GitArchiveInputScheme : InputScheme
             headers.push_back(*url.access_token_header);
         }
 
-        auto [tree, lastModified] = downloadTarball(store, url.url, headers, "source", true);
+        auto [tree, lastModified] = downloadTarball(store, url.url, "source", true, headers);
 
         input.attrs.insert_or_assign("lastModified", lastModified);
 
@@ -215,7 +215,7 @@ struct GitHubInputScheme : GitArchiveInputScheme
         auto json = nlohmann::json::parse(
             readFile(
                 store->toRealPath(
-                    downloadFile(store, url, headers, "source", false).storePath)));
+                    downloadFile(store, url, "source", false, headers).storePath)));
         auto rev = Hash::parseAny(std::string { json["sha"] }, htSHA1);
         debug("HEAD revision for '%s' is %s", url, rev.gitRev());
         return rev;
@@ -271,7 +271,7 @@ struct GitLabInputScheme : GitArchiveInputScheme
         auto json = nlohmann::json::parse(
             readFile(
                 store->toRealPath(
-                    downloadFile(store, url, headers, "source", false).storePath)));
+                    downloadFile(store, url, "source", false, headers).storePath)));
         auto rev = Hash::parseAny(std::string(json[0]["id"]), htSHA1);
         debug("HEAD revision for '%s' is %s", url, rev.gitRev());
         return rev;
diff --git a/src/libfetchers/registry.cc b/src/libfetchers/registry.cc
index 551e7684a..4367ee810 100644
--- a/src/libfetchers/registry.cc
+++ b/src/libfetchers/registry.cc
@@ -145,7 +145,7 @@ static std::shared_ptr<Registry> getGlobalRegistry(ref<Store> store)
         auto path = settings.flakeRegistry.get();
 
         if (!hasPrefix(path, "/")) {
-            auto storePath = downloadFile(store, path, Headers {}, "flake-registry.json", false).storePath;
+            auto storePath = downloadFile(store, path, "flake-registry.json", false).storePath;
             if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>())
                 store2->addPermRoot(storePath, getCacheDir() + "/nix/flake-registry.json");
             path = store->toRealPath(storePath);
diff --git a/src/libfetchers/tarball.cc b/src/libfetchers/tarball.cc
index cf6d6e3d2..ca49482a9 100644
--- a/src/libfetchers/tarball.cc
+++ b/src/libfetchers/tarball.cc
@@ -12,9 +12,9 @@ namespace nix::fetchers {
 DownloadFileResult downloadFile(
     ref<Store> store,
     const std::string & url,
-    const Headers & headers,
     const std::string & name,
-    bool immutable)
+    bool immutable,
+    const Headers & headers)
 {
     // FIXME: check store
 
@@ -38,7 +38,8 @@ DownloadFileResult downloadFile(
     if (cached && !cached->expired)
         return useCached();
 
-    FileTransferRequest request(url, headers);
+    FileTransferRequest request(url);
+    request.headers = headers;
     if (cached)
         request.expectedETag = getStrAttr(cached->infoAttrs, "etag");
     FileTransferResult res;
@@ -112,9 +113,9 @@ DownloadFileResult downloadFile(
 std::pair<Tree, time_t> downloadTarball(
     ref<Store> store,
     const std::string & url,
-    const Headers & headers,
     const std::string & name,
-    bool immutable)
+    bool immutable,
+    const Headers & headers)
 {
     Attrs inAttrs({
         {"type", "tarball"},
@@ -130,7 +131,7 @@ std::pair<Tree, time_t> downloadTarball(
             getIntAttr(cached->infoAttrs, "lastModified")
         };
 
-    auto res = downloadFile(store, url, headers, name, immutable);
+    auto res = downloadFile(store, url, name, immutable, headers);
 
     std::optional<StorePath> unpackedStorePath;
     time_t lastModified;
@@ -225,7 +226,7 @@ struct TarballInputScheme : InputScheme
 
     std::pair<Tree, Input> fetch(ref<Store> store, const Input & input) override
     {
-        auto tree = downloadTarball(store, getStrAttr(input.attrs, "url"), Headers {}, "source", false).first;
+        auto tree = downloadTarball(store, getStrAttr(input.attrs, "url"), "source", false).first;
         return {std::move(tree), input};
     }
 };