From 4ad6ce9309e15021d0b5163e6939f782d6aad43e Mon Sep 17 00:00:00 2001
From: Zhaofeng Li <hello@zhaofeng.li>
Date: Sat, 4 Feb 2023 13:28:47 -0700
Subject: [PATCH] attic/nix_store: Call initNix before connecting to store

Fixes #22.
---
 attic/build.rs                       | 5 +++++
 attic/src/nix_store/bindings/nix.cpp | 1 +
 attic/src/nix_store/bindings/nix.hpp | 1 +
 3 files changed, 7 insertions(+)

diff --git a/attic/build.rs b/attic/build.rs
index 571a831..392671a 100644
--- a/attic/build.rs
+++ b/attic/build.rs
@@ -95,4 +95,9 @@ fn run_bindgen() {
         .atleast_version("2.4")
         .probe("nix-store")
         .unwrap();
+
+    pkg_config::Config::new()
+        .atleast_version("2.4")
+        .probe("nix-main")
+        .unwrap();
 }
diff --git a/attic/src/nix_store/bindings/nix.cpp b/attic/src/nix_store/bindings/nix.cpp
index e63a55e..40597c1 100644
--- a/attic/src/nix_store/bindings/nix.cpp
+++ b/attic/src/nix_store/bindings/nix.cpp
@@ -76,6 +76,7 @@ RString CPathInfo::ca() {
 
 CNixStore::CNixStore() {
 	std::map<std::string, std::string> params;
+	nix::initNix();
 	this->store = nix::openStore("auto", params);
 }
 
diff --git a/attic/src/nix_store/bindings/nix.hpp b/attic/src/nix_store/bindings/nix.hpp
index 9fdab63..8f50b1f 100644
--- a/attic/src/nix_store/bindings/nix.hpp
+++ b/attic/src/nix_store/bindings/nix.hpp
@@ -19,6 +19,7 @@
 #include <nix/hash.hh>
 #include <nix/path.hh>
 #include <nix/serialise.hh>
+#include <nix/shared.hh>
 #include <rust/cxx.h>
 
 template<class T> using RVec = rust::Vec<T>;