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-rw-r--r--tests/config.sh9
1 files changed, 9 insertions, 0 deletions
diff --git a/tests/config.sh b/tests/config.sh
index 8fa349f11..eaa46c395 100644
--- a/tests/config.sh
+++ b/tests/config.sh
@@ -16,3 +16,12 @@ here=$(readlink -f "$(dirname "${BASH_SOURCE[0]}")")
export NIX_USER_CONF_FILES=$here/config/nix-with-substituters.conf
var=$(nix show-config | grep '^substituters =' | cut -d '=' -f 2 | xargs)
[[ $var == https://example.com ]]
+
+# Test that it's possible to load config from the environment
+prev=$(nix show-config | grep '^cores' | cut -d '=' -f 2 | xargs)
+export NIX_CONFIG="cores = 4242"$'\n'"experimental-features = nix-command flakes"
+exp_cores=$(nix show-config | grep '^cores' | cut -d '=' -f 2 | xargs)
+exp_features=$(nix show-config | grep '^experimental-features' | cut -d '=' -f 2 | xargs)
+[[ $prev != $exp_cores ]]
+[[ $exp_cores == "4242" ]]
+[[ $exp_features == "nix-command flakes" ]] \ No newline at end of file