feat: switch from flake-parts and devenv to rensa ecosystem

tests/flake_parts_test.nix

@@ -0,0 +1,39 @@
+{
+  pkgs,
+  ntlib,
+  ...
+}: {
+  suites."flake-parts" = {
+    pos = __curPos;
+    tests = [
+      {
+        name = "flakeModule";
+        type = "script";
+        script =
+          # sh
+          ''
+            ${ntlib.helpers.path (with pkgs; [coreutils nix gnused gnugrep jq])}
+            ${ntlib.helpers.scriptHelpers}
+            export SSL_CERT_FILE=${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt
+            export NIX_SSL_CERT_FILE=${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt
+            repo_path=${../.}
+
+            cp ${./fixtures/flake_parts}/* .
+            # import from the absolute path above, is easier than trying to figure out the repo path etc.
+            sed -i -e "s|@repo_path@|$repo_path|" flake.nix
+
+            # NOTE: --impure is required since importing modules from absolute paths is not allowed in pure mode
+            nix build --impure .#nixible:test
+            assert "-f result/bin/nixible" "should exist"
+            assert_file_contains "result/bin/nixible" "ANSIBLE_COLLECTIONS_PATH"
+            assert_file_contains "result/bin/nixible" "ansible-playbook"
+
+            nix build --impure .#nixible:hello
+            assert "-f result/bin/nixible" "should exist"
+            assert_file_contains "result/bin/nixible" "ANSIBLE_COLLECTIONS_PATH"
+            assert_file_contains "result/bin/nixible" "ansible-playbook"
+          '';
+      }
+    ];
+  };
+}