set PATH for test executables in the library.sh

flake.nix

@@ -17,66 +17,69 @@
           {
             nativeBuildInputs = [ pkgs.makeWrapper ];
           } ''
-          ls -l
-          install -m755 ${script} \
-          -D $out/bin/${name}
+          install -m755 ${script} -D $out/bin/${name}
           patchShebangs $out/bin/${name}
           wrapProgram $out/bin/${name} \
           ${lib.strings.concatMapStringsSep "\n"
-            ({name, value}: "--prefix ${name} : ${value}") env-vars} \
+            ({name, value}: ''--set ${name} "${value}"'') env-vars} \
           --prefix PATH : ${with pkgs; lib.makeBinPath [
             curl
             diffutils
+            gnutar
             gzip
             jd-diff-patch
             jq
             openssh
-            gnutar
           ]}
         '';
+      scripts-with-envs = [
+        {
+          name = "query-minimum-services";
+          script = ./query-services-state.sh;
+          env-vars = [{
+            name = "EXPECTED_RESPONSE_FILE";
+            value = ./minimal-services-expected-response.json;
+          }];
+        }
+        {
+          name = "query-all-services";
+          script = ./query-services-state.sh;
+          env-vars = [{
+            name = "EXPECTED_RESPONSE_FILE";
+            value = ./all-services-expected-response.json;
+          }];
+        }
+        {
+          name = "enable-service";
+          script = ./enable-service.sh;
+          env-vars = [ ];
+        }
+        {
+          name = "nixos-rebuild";
+          script = ./nixos-rebuild.sh;
+          env-vars = [ ];
+        }
+      ];
     in
     {
       packages.${system} = lib.attrsets.listToAttrs
-        (
-          (map
-            (a@{ name, ... }: lib.attrsets.nameValuePair name (makeTestProgram a))
+        (map
+          (a@{ name, ... }: lib.attrsets.nameValuePair name (makeTestProgram a))
+          scripts-with-envs
+        )
+      //
+      {
+        library = pkgs.writeText "library.sh" (
+          (builtins.readFile ./library.sh) + (lib.strings.concatStrings
             [
-              {
-                name = "query-minimum-services";
-                script = ./query-services-state.sh;
-                env-vars = [{
-                  name = "EXPECTED_RESPONSE_FILE";
-                  value = ./minimal-services-expected-response.json;
-                }];
-              }
-              {
-                name = "query-all-services";
-                script = ./query-services-state.sh;
-                env-vars = [{
-                  name = "EXPECTED_RESPONSE_FILE";
-                  value = ./all-services-expected-response.json;
-                }];
-              }
-              {
-                name = "enable-service";
-                script = ./enable-service.sh;
-                env-vars = [ ];
-              }
-              {
-                name = "nixos-rebuild";
-                script = ./nixos-rebuild.sh;
-                env-vars = [ ];
-              }
+              "export PATH="
+              (lib.makeBinPath
+                (map (x: self.packages.${system}.${x.name}) scripts-with-envs))
+              ":$PATH"
             ]
           )
-          ++ [
-            {
-              name = "library";
-              value =
-                builtins.filterSource (p: _t: baseNameOf p == "library.sh") ./.;
-            }
-          ]
         );
+      };
       devShells.${system}.default = pkgs.mkShell
         {
           packages = with pkgs;