Add <unstable> to NIX_PATH

1. I should be using NixOS/nixpkgs-channels instead of NixOS/nixpkgs
2. Instead of refactoring everything, I'm supporting <unstable> and pointing it
   to NixOS/nixpkgs-channels

I needed <unstable> to get a more recent version of the Data.Time Haskell
package.

1 files changed, 1 insertions, 1 deletions

diff --git a/.envrc b/.envrc
index 76937ae6f439..47a1605b58dd 100644
--- a/.envrc
+++ b/.envrc
@@ -1,6 +1,6 @@
 export BRIEFCASE="$(realpath ~/briefcase)"
 export DEPOT="$(realpath ~/depot)"
 export NIXPKGS="$(realpath ~/nixpkgs)"
-export NIX_PATH="nixpkgs=${NIXPKGS}:depot=${DEPOT}:briefcase=${BRIEFCASE}";
+export NIX_PATH="nixpkgs=${NIXPKGS}:unstable=$(realpath ~/nixpkgs-channels):depot=${DEPOT}:briefcase=${BRIEFCASE}";
 export DESKTOP="zeno.lon.corp.google.com";
 export LAPTOP="seneca";