From d7b6c8f59197c5b5a0f8a8ea077538372992d7ef Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Sat, 21 Aug 2021 01:24:03 +0200
Subject: [PATCH] nix develop: Fix `devShells` lookup
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It currently fails with the following error:

    error: flake 'git+file://…' does not provide attribute 'devShells.x86_64-linuxhaskell', 'packages.x86_64-linux.haskell', 'legacyPackages.x86_64-linux.haskell' or 'haskell'
---
 src/nix/develop.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nix/develop.cc b/src/nix/develop.cc
index 55023545d..c823f16c8 100644
--- a/src/nix/develop.cc
+++ b/src/nix/develop.cc
@@ -330,7 +330,7 @@ struct Common : InstallableCommand, MixProfile
     Strings getDefaultFlakeAttrPathPrefixes() override
     {
         auto res = SourceExprCommand::getDefaultFlakeAttrPathPrefixes();
-        res.emplace_front("devShells." + settings.thisSystem.get());
+        res.emplace_front("devShells." + settings.thisSystem.get() + ".");
         return res;
     }