tests: add --show-trace to nix-unit tests

lib/build-clan/flake-module.nix

@@ -37,6 +37,7 @@ in
 
           nix-unit --eval-store "$HOME" \
             --extra-experimental-features flakes \
+            --show-trace \
             ${inputOverrides} \
             --flake ${
               self.filter {

lib/introspection/flake-module.nix

@@ -23,6 +23,7 @@ in
 
           nix-unit --eval-store "$HOME" \
             --extra-experimental-features flakes \
+            --show-trace \
             ${inputOverrides} \
             --flake ${
               self.filter {

lib/inventory/distributed-service/flake-module.nix

@@ -24,6 +24,7 @@ in
           export HOME="$(realpath .)"
           nix-unit --eval-store "$HOME" \
             --extra-experimental-features flakes \
+            --show-trace \
             ${inputOverrides} \
             --flake ${self}#legacyPackages.${system}.evalTests-distributedServices
 

lib/inventory/flake-module.nix

@@ -48,6 +48,7 @@ in
           export NIX_ABORT_ON_WARN=1
           nix-unit --eval-store "$HOME" \
             --extra-experimental-features flakes \
+            --show-trace \
             ${inputOverrides} \
             --flake ${
               self.filter {

lib/jsonschema/flake-module.nix

@@ -23,7 +23,8 @@
           export NIX_PATH=nixpkgs=${pkgs.path}
           ${pkgs.nix-unit}/bin/nix-unit \
             ${./.}/test.nix \
-            --eval-store $(realpath .)
+            --eval-store $(realpath .) \
+            --show-trace
           touch $out
         '';
       };

lib/select/flake-module.nix

@@ -25,6 +25,7 @@ in
           export NIX_ABORT_ON_WARN=1
           nix-unit --eval-store "$HOME" \
             --extra-experimental-features flakes \
+            --show-trace \
             ${inputOverrides} \
             --flake ${
               self.filter {

nixosModules/clanCore/vars/flake-module.nix

@@ -23,6 +23,7 @@ in
 
         nix-unit --eval-store "$HOME" \
           --extra-experimental-features flakes \
+          --show-trace \
           ${inputOverrides} \
           --flake ${
             self.filter {