3 files changed, 50 insertions, 7 deletions
diff --git a/Biz/Bild.nix b/Biz/Bild.nix
index 894ebe6..dabebd4 100644
--- a/Biz/Bild.nix
+++ b/Biz/Bild.nix
@@ -82,6 +82,7 @@ let
       inherit bat bc cmark ctags deadnix fd figlet fzf git git-branchless
         gitlint guile hlint indent jq lolcat mypy nixfmt ormolu pkg-config
         ripgrep rustc tree wemux;
+      llama-cpp = nixpkgs.nixos-unstable-small.llama-cpp;
       llm = nixpkgs.nixos-unstable-small.llm.withPlugins
         [ nixpkgs.nixos-unstable-small.python3.pkgs.llm-ollama ];
       ollama = nixpkgs.nixos-unstable-small.ollama;
diff --git a/Biz/Bild/Builder.nix b/Biz/Bild/Builder.nix
index cf4d1e0..df5aeba 100644
--- a/Biz/Bild/Builder.nix
+++ b/Biz/Bild/Builder.nix
@@ -7,6 +7,15 @@
 with bild;
 let
   analysis = builtins.fromJSON analysisJSON;
+
+  # common bash functions for the builder
+  commonBash = builtins.toFile "common.bash" ''
+    # Check that a command succeeds, fail and log if not.
+    function check {
+        $@ || { echo "fail:  $name:  $3"; exit 1; }
+      }
+  '';
+
   build = _: target:
     let
       name = target.out;
@@ -107,13 +116,12 @@ let
 
         python = python.buildPythonApplication rec {
           inherit name src CODEROOT;
-          propagatedBuildInputs = langdeps_ ++ sysdeps_;
+          nativeBuildInputs = [ makeWrapper ];
+          propagatedBuildInputs = langdeps_ ++ sysdeps_ ++ rundeps_;
           buildInputs = sysdeps_;
           nativeCheckInputs = [ pkgs.ruff python.packages.mypy ];
           checkPhase = ''
-            check() {
-              $@ || { echo "fail:  $name:  $3"; exit 1; }
-            }
+            . ${commonBash}
             cp ${../../pyproject.toml} ./pyproject.toml
             check ruff format --exclude 'setup.py' --check .
             check ruff check --exclude 'setup.py' --exclude '__init__.py' .
@@ -123,6 +131,9 @@ let
               --no-error-summary \
               --exclude 'setup\.py$' \
               .
+          '';
+          installCheck = ''
+            . ${commonBash}
             check python -m ${mainModule} test
           '';
           preBuild = ''
diff --git a/Biz/Llamacpp.py b/Biz/Llamacpp.py
index cd47e1e..9a2ff86 100644
--- a/Biz/Llamacpp.py
+++ b/Biz/Llamacpp.py
@@ -1,4 +1,35 @@
-"""Llamacpp."""
+"""
+Test that llama.cpp can build and exec in the omni repo.
 
-# : run nixos-23_11.llama-cpp
-# : run nixos-23_11.openblas
+Note that this does not test if llama-cpp can actually execute any models. I
+(currently) use ollama for running and managing models, but I'd like to make
+sure llama-cpp still works in case I need/want to switch at some point.
+"""
+
+# : out llamacpp-test
+# : run llama-cpp
+
+import os
+import sys
+import unittest
+
+
+class TestLlamaCpp(unittest.TestCase):
+    """Test that llama.cpp is available."""
+
+    def test_in_path(self) -> None:
+        """Test that llama.cpp is in $PATH."""
+        self.assertTrue("llama-cpp" in os.environ.get("PATH", ""))
+
+
+def main() -> None:
+    """Entrypoint."""
+    if sys.argv[1] == "test":
+        sys.argv.pop()
+        unittest.main()
+    else:
+        sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()