Turn $NIX_REMOTE into a configuration option

2 files changed, 7 insertions, 2 deletions

diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index 264e82a16e20..12d57b3e7647 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -2,6 +2,7 @@
 
 #include "types.hh"
 #include "config.hh"
+#include "util.hh"
 
 #include <map>
 #include <limits>
@@ -84,6 +85,9 @@ public:
     /* File name of the socket the daemon listens to.  */
     Path nixDaemonSocketFile;
 
+    Setting<std::string> storeUri{this, getEnv("NIX_REMOTE", "auto"), "store",
+        "The default Nix store to use."};
+
     Setting<bool> keepFailed{this, false, "keep-failed",
         "Whether to keep temporary directories of failed builds."};
 
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 5f3d8c7b9529..d1e1b5d6f452 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -716,7 +716,7 @@ void removeTempRoots();
    You can pass parameters to the store implementation by appending
    ‘?key=value&key=value&...’ to the URI.
 */
-ref<Store> openStore(const std::string & uri = getEnv("NIX_REMOTE"),
+ref<Store> openStore(const std::string & uri = settings.storeUri.get(),
     const Store::Params & extraParams = Store::Params());
 
 
@@ -727,7 +727,8 @@ enum StoreType {
 };
 
 
-StoreType getStoreType(const std::string & uri = getEnv("NIX_REMOTE"), const std::string & stateDir = settings.nixStateDir);
+StoreType getStoreType(const std::string & uri = settings.storeUri.get(),
+    const std::string & stateDir = settings.nixStateDir);
 
 /* Return the default substituter stores, defined by the
    ‘substituters’ option and various legacy options like