diff --git a/pkgs/development/interpreters/bats/default.nix b/pkgs/development/interpreters/bats/default.nix
index da12e7a3e65f4..184d23b92b909 100644
--- a/pkgs/development/interpreters/bats/default.nix
+++ b/pkgs/development/interpreters/bats/default.nix
@@ -6,6 +6,12 @@
 , coreutils
 , gnugrep
 , ncurses
+, findutils
+, hostname
+, parallel
+, flock
+, ps
+, bats
 , lsof
 , doInstallCheck ? true
 }:
@@ -31,32 +37,99 @@ resholve.mkDerivation rec {
 
   solutions = {
     bats = {
-      scripts = [ "bin/bats" ];
+      scripts = [
+        "bin/bats"
+        "libexec/bats-core/*"
+        "lib/bats-core/*"
+      ];
       interpreter = "${bash}/bin/bash";
-      inputs = [ bash coreutils gnugrep ];
+      inputs = [
+        bash
+        coreutils
+        gnugrep
+        ncurses
+        findutils
+        hostname
+        parallel
+        flock
+        "lib/bats-core"
+        "libexec/bats-core"
+      ];
       fake = {
-        external = [ "greadlink" ];
+        external = [
+          "greadlink"
+          "shlock"
+        ];
       };
       fix = {
         "$BATS_ROOT" = [ "${placeholder "out"}" ];
+        "$BATS_LIBEXEC" = [ "${placeholder "out"}/libexec/bats-core" ];
       };
       keep = {
         "${placeholder "out"}/libexec/bats-core/bats" = true;
+        source = [
+          "${placeholder "out"}/lib/bats-core/validator.bash"
+          "${placeholder "out"}/lib/bats-core/preprocessing.bash"
+          "$BATS_TEST_SOURCE"
+          "${placeholder "out"}/lib/bats-core/tracing.bash"
+          "${placeholder "out"}/lib/bats-core/test_functions.bash"
+          "$library_load_path"
+          "${placeholder "out"}/lib/bats-core/common.bash"
+          "${placeholder "out"}/lib/bats-core/semaphore.bash"
+          "${placeholder "out"}/lib/bats-core/formatter.bash"
+        ];
+        "$report_formatter" = true;
+        "$formatter" = true;
+        "$pre_command" = true;
+        "$BATS_TEST_NAME" = true;
+        "${placeholder "out"}/libexec/bats-core/bats-exec-test" = true;
       };
+      execer = [
+        /*
+        both blatant lies for expedience; these can certainly exec args
+        they may be safe here, because they may always run things that
+        are ultimately in libexec?
+        TODO: handle parallel and flock in binlore/resholve
+        */
+        "cannot:${parallel}/bin/parallel"
+        "cannot:${flock}/bin/flock"
+
+        "cannot:libexec/bats-core/bats-preprocess"
+
+        # these do exec, but other internal files
+        "cannot:libexec/bats-core/bats-exec-file"
+        "cannot:libexec/bats-core/bats-exec-suite"
+      ];
     };
   };
 
-  inherit doInstallCheck;
-  installCheckInputs = [ ncurses ] ++ lib.optionals stdenv.isDarwin [ lsof ];
-  installCheckPhase = ''
-    # TODO: cut if https://github.com/bats-core/bats-core/issues/418 allows
-    sed -i '/test works even if PATH is reset/a skip' test/bats.bats
+  passthru.tests.upstream = bats.unresholved.overrideAttrs (old: {
+    name = "${bats.name}-tests";
+    installCheckInputs = [
+      ncurses
+      parallel # skips some tests if it can't detect
+      flock # skips some tests if it can't detect
+      ps
+    ] ++ lib.optionals stdenv.isDarwin [ lsof ];
+    inherit doInstallCheck;
+    installCheckPhase = ''
+      # TODO: cut if https://github.com/bats-core/bats-core/issues/418 allows
+      sed -i '/test works even if PATH is reset/a skip "disabled for nix build"' test/bats.bats
+      # TODO: cut when https://github.com/bats-core/bats-core/pull/554 allows
+      substituteInPlace test/parallel.bats --replace '&& type -p shlock' '|| type -p shlock'
 
-    # test generates file with absolute shebang dynamically
-    substituteInPlace test/install.bats --replace \
-      "/usr/bin/env bash" "${bash}/bin/bash"
-    bin/bats test
-  '';
+      # skip tests that assume bats `install.sh` will be in BATS_ROOT
+      rm test/root.bats
+
+      # test generates file with absolute shebang dynamically
+      substituteInPlace test/install.bats --replace \
+        "/usr/bin/env bash" "${bash}/bin/bash"
+
+      ${bats}/bin/bats test
+      rm -rf $out
+      touch $out
+    '';
+  });
 
   meta = with lib; {
     homepage = "https://github.com/bats-core/bats-core";