From 6fb7545fa19fe139305972020ee6ab189c97cd6e Mon Sep 17 00:00:00 2001
From: Nick Van den Broeck <nick.van.den.broeck666@gmail.com>
Date: Tue, 28 May 2019 10:17:28 +0200
Subject: [PATCH] Fixed relative path parsing Fixed #2821

---
 src/libexpr/primops/flakeref.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libexpr/primops/flakeref.cc b/src/libexpr/primops/flakeref.cc
index c42616374..3c805eff8 100644
--- a/src/libexpr/primops/flakeref.cc
+++ b/src/libexpr/primops/flakeref.cc
@@ -134,7 +134,7 @@ FlakeRef::FlakeRef(const std::string & uri, bool allowRelative)
         data = d;
     }
 
-    else if (hasPrefix(uri, "/") || (allowRelative && (hasPrefix(uri, "./") || uri == "."))) {
+    else if (hasPrefix(uri, "/") || (allowRelative && (hasPrefix(uri, "./") || hasPrefix(uri, "../") || uri == "."))) {
         IsPath d;
         d.path = allowRelative ? absPath(uri) : canonPath(uri);
         data = d;