From bf1db852197d22d307777a0005104d987ca92a48 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Tue, 4 Jul 2023 14:20:50 -0400
Subject: [PATCH] slightly regularize nixpkgs handling

---
 .circleci/config.yml | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 01cd999ca..21d6a6114 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -89,7 +89,7 @@ workflows:
 
       - "nixos":
           name: "<<matrix.pythonVersion>>"
-          nixpkgs: "22_11"
+          nixpkgs: "nixpkgs-22_11"
           matrix:
             parameters:
               pythonVersion:
@@ -99,7 +99,7 @@ workflows:
 
       - "nixos":
           name: "<<matrix.pythonVersion>>"
-          nixpkgs: "unstable"
+          nixpkgs: "nixpkgs-unstable"
           matrix:
             parameters:
               pythonVersion:
@@ -385,8 +385,8 @@ jobs:
     parameters:
       nixpkgs:
         description: >-
-          Reference the name of a niv-managed nixpkgs source (see `niv show`
-          and nix/sources.json)
+          Reference the name of a flake-managed nixpkgs input (see `nix flake
+          metadata` and flake.nix)
         type: "string"
       pythonVersion:
         description: >-
@@ -407,7 +407,7 @@ jobs:
 
                   # Translate the nixpkgs selection into a flake reference we
                   # can use to override the default nixpkgs input.
-                  NIXPKGS=$(nixpkgs_flake_reference nixpkgs-<<parameters.nixpkgs>>)
+                  NIXPKGS=$(nixpkgs_flake_reference <<parameters.nixpkgs>>)
 
                   cache_if_able nix run \
                     --override-input nixpkgs "$NIXPKGS" \
@@ -595,7 +595,7 @@ commands:
           name: "Build Package"
           command: |
             source .circleci/lib.sh
-            NIXPKGS=$(nixpkgs_flake_reference nixpkgs-<<parameters.nixpkgs>>)
+            NIXPKGS=$(nixpkgs_flake_reference <<parameters.nixpkgs>>)
             cache_if_able nix build \
               --verbose \
               --print-build-logs \