ci: simplify test

Remove obsolete features that were required for pkgsUnstable.

.cirrus.yml

@@ -16,22 +16,18 @@ task:
   timeout_in: 120m
 
   name: modules_test
-  environment:
-    nixpkgs: nixpkgs
   container:
     # A maximum of 16 CPUs is shared among all concurrent tasks.
     # https://cirrus-ci.org/faq/#are-there-any-limits
     cpu: 4
+  environment:
     matrix:
-    - environment:
-        scenario: default
-    - environment:
-        scenario: netns
-    - environment:
-        scenario: netnsRegtest
+      - scenario: default
+      - scenario: netns
+      - scenario: netnsRegtest
 
   # This script is run as root
   build_script:
     - echo "sandbox = true" >> /etc/nix/nix.conf
-    - export NIX_PATH="nixpkgs=$(nix eval --raw -f pkgs/nixpkgs-pinned.nix $nixpkgs)"
+    - export NIX_PATH="nixpkgs=$(nix eval --raw -f pkgs/nixpkgs-pinned.nix nixpkgs)"
     - nix run -f '<nixpkgs>' bash coreutils cachix -c ./test/ci/build.sh

test/ci/build.sh

@@ -7,9 +7,7 @@
 
 set -euo pipefail
 
-scenario=${scenario:-}
-
-if [[ -v CIRRUS_CI && $scenario ]]; then
+if [[ -v CIRRUS_CI ]]; then
     if [[ ! -e /dev/kvm ]]; then
         >&2 echo "No KVM available on VM host."
         exit 1
@@ -20,10 +18,4 @@ fi
 
 echo "$NIX_PATH ($(nix eval --raw nixpkgs.lib.version))"
 
-if [[ $scenario ]]; then
-    testArgs="--scenario $scenario"
-else
-    testArgs=pkgsUnstable
-fi
-
 "${BASH_SOURCE[0]%/*}/../run-tests.sh" --ci --scenario $scenario