nix-daemon: Pass on the user's $SSH_AUTH_SOCK to the SSH substituter

1 files changed, 8 insertions, 0 deletions

diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index 82f3e952a0b5..e9fe0beca4ef 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -122,6 +122,14 @@ void Settings::set(const string & name, const string & value)
 }
 
 
+string Settings::get(const string & name, const string & def)
+{
+    auto i = settings.find(name);
+    if (i == settings.end()) return def;
+    return i->second;
+}
+
+
 void Settings::update()
 {
     get(tryFallback, "build-fallback");