feat: add fable

.envrc

@@ -1,9 +1,3 @@
 #!/usr/bin/env bash
 # the shebang is ignored, but nice for editors
-
-if type -P lorri &>/dev/null; then
-  eval "$(lorri direnv)"
-else
-  echo 'while direnv evaluated .envrc, could not find the command "lorri" [https://github.com/nix-community/lorri]'
-  use nix
-fi
+use nix

.serena/.gitignore

@@ -0,0 +1,2 @@
+/cache
+/project.local.yml

.serena/project.yml

@@ -0,0 +1,152 @@
+# the name by which the project can be referenced within Serena
+project_name: "claude-vm"
+
+
+# list of languages for which language servers are started; choose from:
+#   al                  bash                clojure             cpp                 csharp
+#   csharp_omnisharp    dart                elixir              elm                 erlang
+#   fortran             fsharp              go                  groovy              haskell
+#   java                julia               kotlin              lua                 markdown
+#   matlab              nix                 pascal              perl                php
+#   php_phpactor        powershell          python              python_jedi         r
+#   rego                ruby                ruby_solargraph     rust                scala
+#   swift               terraform           toml                typescript          typescript_vts
+#   vue                 yaml                zig
+#   (This list may be outdated. For the current list, see values of Language enum here:
+#   https://github.com/oraios/serena/blob/main/src/solidlsp/ls_config.py
+#   For some languages, there are alternative language servers, e.g. csharp_omnisharp, ruby_solargraph.)
+# Note:
+#   - For C, use cpp
+#   - For JavaScript, use typescript
+#   - For Free Pascal/Lazarus, use pascal
+# Special requirements:
+#   Some languages require additional setup/installations.
+#   See here for details: https://oraios.github.io/serena/01-about/020_programming-languages.html#language-servers
+# When using multiple languages, the first language server that supports a given file will be used for that file.
+# The first language is the default language and the respective language server will be used as a fallback.
+# Note that when using the JetBrains backend, language servers are not used and this list is correspondingly ignored.
+languages:
+- nix
+
+# the encoding used by text files in the project
+# For a list of possible encodings, see https://docs.python.org/3.11/library/codecs.html#standard-encodings
+encoding: "utf-8"
+
+# line ending convention to use when writing source files.
+# Possible values: unset (use global setting), "lf", "crlf", or "native" (platform default)
+# This does not affect Serena's own files (e.g. memories and configuration files), which always use native line endings.
+line_ending:
+
+# The language backend to use for this project.
+# If not set, the global setting from serena_config.yml is used.
+# Valid values: LSP, JetBrains
+# Note: the backend is fixed at startup. If a project with a different backend
+# is activated post-init, an error will be returned.
+language_backend:
+
+# whether to use project's .gitignore files to ignore files
+ignore_all_files_in_gitignore: true
+
+# advanced configuration option allowing to configure language server-specific options.
+# Maps the language key to the options.
+# Have a look at the docstring of the constructors of the LS implementations within solidlsp (e.g., for C# or PHP) to see which options are available.
+# No documentation on options means no options are available.
+ls_specific_settings: {}
+
+# list of additional paths to ignore in this project.
+# Same syntax as gitignore, so you can use * and **.
+# Note: global ignored_paths from serena_config.yml are also applied additively.
+ignored_paths: []
+
+# whether the project is in read-only mode
+# If set to true, all editing tools will be disabled and attempts to use them will result in an error
+# Added on 2025-04-18
+read_only: false
+
+# list of tool names to exclude.
+# This extends the existing exclusions (e.g. from the global configuration)
+#
+# Below is the complete list of tools for convenience.
+# To make sure you have the latest list of tools, and to view their descriptions, 
+# execute `uv run scripts/print_tool_overview.py`.
+#
+#  * `activate_project`: Activates a project by name.
+#  * `check_onboarding_performed`: Checks whether project onboarding was already performed.
+#  * `create_text_file`: Creates/overwrites a file in the project directory.
+#  * `delete_lines`: Deletes a range of lines within a file.
+#  * `delete_memory`: Deletes a memory from Serena's project-specific memory store.
+#  * `execute_shell_command`: Executes a shell command.
+#  * `find_referencing_code_snippets`: Finds code snippets in which the symbol at the given location is referenced.
+#  * `find_referencing_symbols`: Finds symbols that reference the symbol at the given location (optionally filtered by type).
+#  * `find_symbol`: Performs a global (or local) search for symbols with/containing a given name/substring (optionally filtered by type).
+#  * `get_current_config`: Prints the current configuration of the agent, including the active and available projects, tools, contexts, and modes.
+#  * `get_symbols_overview`: Gets an overview of the top-level symbols defined in a given file.
+#  * `initial_instructions`: Gets the initial instructions for the current project.
+#     Should only be used in settings where the system prompt cannot be set,
+#     e.g. in clients you have no control over, like Claude Desktop.
+#  * `insert_after_symbol`: Inserts content after the end of the definition of a given symbol.
+#  * `insert_at_line`: Inserts content at a given line in a file.
+#  * `insert_before_symbol`: Inserts content before the beginning of the definition of a given symbol.
+#  * `list_dir`: Lists files and directories in the given directory (optionally with recursion).
+#  * `list_memories`: Lists memories in Serena's project-specific memory store.
+#  * `onboarding`: Performs onboarding (identifying the project structure and essential tasks, e.g. for testing or building).
+#  * `prepare_for_new_conversation`: Provides instructions for preparing for a new conversation (in order to continue with the necessary context).
+#  * `read_file`: Reads a file within the project directory.
+#  * `read_memory`: Reads the memory with the given name from Serena's project-specific memory store.
+#  * `remove_project`: Removes a project from the Serena configuration.
+#  * `replace_lines`: Replaces a range of lines within a file with new content.
+#  * `replace_symbol_body`: Replaces the full definition of a symbol.
+#  * `restart_language_server`: Restarts the language server, may be necessary when edits not through Serena happen.
+#  * `search_for_pattern`: Performs a search for a pattern in the project.
+#  * `summarize_changes`: Provides instructions for summarizing the changes made to the codebase.
+#  * `switch_modes`: Activates modes by providing a list of their names
+#  * `think_about_collected_information`: Thinking tool for pondering the completeness of collected information.
+#  * `think_about_task_adherence`: Thinking tool for determining whether the agent is still on track with the current task.
+#  * `think_about_whether_you_are_done`: Thinking tool for determining whether the task is truly completed.
+#  * `write_memory`: Writes a named memory (for future reference) to Serena's project-specific memory store.
+excluded_tools: []
+
+# list of tools to include that would otherwise be disabled (particularly optional tools that are disabled by default).
+# This extends the existing inclusions (e.g. from the global configuration).
+included_optional_tools: []
+
+# fixed set of tools to use as the base tool set (if non-empty), replacing Serena's default set of tools.
+# This cannot be combined with non-empty excluded_tools or included_optional_tools.
+fixed_tools: []
+
+# list of mode names to that are always to be included in the set of active modes
+# The full set of modes to be activated is base_modes + default_modes.
+# If the setting is undefined, the base_modes from the global configuration (serena_config.yml) apply.
+# Otherwise, this setting overrides the global configuration.
+# Set this to [] to disable base modes for this project.
+# Set this to a list of mode names to always include the respective modes for this project.
+base_modes:
+
+# list of mode names that are to be activated by default.
+# The full set of modes to be activated is base_modes + default_modes.
+# If the setting is undefined, the default_modes from the global configuration (serena_config.yml) apply.
+# Otherwise, this overrides the setting from the global configuration (serena_config.yml).
+# This setting can, in turn, be overridden by CLI parameters (--mode).
+default_modes:
+
+# initial prompt for the project. It will always be given to the LLM upon activating the project
+# (contrary to the memories, which are loaded on demand).
+initial_prompt: ""
+
+# time budget (seconds) per tool call for the retrieval of additional symbol information
+# such as docstrings or parameter information.
+# This overrides the corresponding setting in the global configuration; see the documentation there.
+# If null or missing, use the setting from the global configuration.
+symbol_info_budget:
+
+# list of regex patterns which, when matched, mark a memory entry as read‑only.
+# Extends the list from the global configuration, merging the two lists.
+read_only_memory_patterns: []
+
+# list of regex patterns for memories to completely ignore.
+# Matching memories will not appear in list_memories or activate_project output
+# and cannot be accessed via read_memory or write_memory.
+# To access ignored memory files, use the read_file tool on the raw file path.
+# Extends the list from the global configuration, merging the two lists.
+# Example: ["_archive/.*", "_episodes/.*"]
+ignored_memory_patterns: []

README.md

@@ -17,6 +17,12 @@ result/bin/claude-vm --model sonnet
 result/bin/claude-vm -p "fix the tests"
 ```
 
+or
+
+```bash
+nix run git+ssh://git@git.obx/oceanbox/claude-vm
+```
+
 All arguments are forwarded to claude-code inside the VM.
 
 ## Home Manager (Npins)
@@ -33,7 +39,7 @@ Then reference it in your `home.nix`:
 ```nix
 let
   sources = import ./npins;
-  claude-vm = (import sources.claude-vm).claude-vm;
+  inherit (import sources.claude-vm { }) claude-vm;
 in {
   home.packages = [ claude-vm ];
 }

default.nix

@@ -1,12 +1,16 @@
-let
-  sources = import ./npins;
-  system = builtins.currentSystem;
-  pkgs = import sources.nixpkgs {
+{
+  sources ? import ./npins,
+  system ? builtins.currentSystem,
+  pkgs ? import sources.nixpkgs {
     inherit system;
     config.allowUnfree = true;
-  };
-
+  },
+}:
+let
   claudeCode = pkgs.callPackage "${sources.claude-code-nix}/package.nix" { };
+  oraios-pywebview = pkgs.callPackage ./pkgs/oraios-pywebview/package.nix { };
+  serena = pkgs.callPackage ./pkgs/serena/package.nix { inherit oraios-pywebview; };
+  fable = pkgs.callPackage ./pkgs/fable/package.nix { };
 
   nixosCfg = import "${sources.nixpkgs}/nixos/lib/eval-config.nix" {
     inherit system;
@@ -28,6 +32,21 @@ let
             memorySize = 4096;
             cores = 4;
 
+            # TODO: Port-forward the serena dashboard
+            # forwardPorts = [
+            #   {
+            #     from = "guest";
+            #     guest = {
+            #       address = "10.0.2.15";
+            #       port = 24282;
+            #     };
+            #     host = {
+            #       address = "127.0.0.1";
+            #       port = 24282;
+            #     };
+            #   }
+            # ];
+
             sharedDirectories = {
               workspace = {
                 source = ''"$WORKSPACE_DIR"'';
@@ -74,6 +93,8 @@ let
           # packages
           environment.systemPackages = with pkgs; [
             claudeCode
+            serena
+            fable
             git
             curl
             vim
@@ -82,8 +103,10 @@ let
             bun
             just
             yaml-language-server
-            nodePackages.typescript-language-server
-            # fsautocomplete
+            typescript-language-server
+            fsautocomplete
+            nixd
+            python3
             # sqlfluff
           ];
 
@@ -104,6 +127,12 @@ let
             # fi
 
             cd /workspace 2>/dev/null || true
+
+            # Register serena as an MCP server if not already configured
+            if ! claude mcp get serena &>/dev/null; then
+              claude mcp add serena -- ${serena}/bin/serena start-mcp-server --context=claude-code --project-from-cwd
+            fi
+
             exec claude "''${args[@]}"
           '';
 
@@ -136,7 +165,7 @@ in
 
     if [ -e ~/.nuget ]; then
       export NUGET_DIR=~/.nuget
-    else 
+    else
       mkdir -p $CONFIG_DIR/nuget
       export NUGET_DIR=$CONFIG_DIR/nuget
     fi

flake.nix

@@ -0,0 +1,37 @@
+{
+  outputs =
+    { self }:
+    let
+      sources = import ./npins;
+
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+
+      forAllSystems =
+        f:
+        builtins.listToAttrs (
+          map (system: {
+            name = system;
+            value = f system;
+          }) systems
+        );
+    in
+    {
+      packages = forAllSystems (
+        system:
+        let
+          pkgs = import sources.nixpkgs {
+            inherit system;
+            config.allowUnfree = true;
+          };
+        in
+        {
+          default = (import ./default.nix { inherit pkgs system; }).claude-vm;
+        }
+      );
+    };
+}

npins/sources.json

@@ -9,9 +9,9 @@
       },
       "branch": "main",
       "submodules": false,
-      "revision": "5cbf0a4eba950cdc7d7982774a9bc189ab21cb99",
-      "url": "https://github.com/sadjow/claude-code-nix/archive/5cbf0a4eba950cdc7d7982774a9bc189ab21cb99.tar.gz",
-      "hash": "sha256-ob/uMOU6CyRES+/SIxnMDhDAZUQr228JdBPKkGu8m/c="
+      "revision": "9150fa95a83d2a30b5f3a45d4562c0250da0ce11",
+      "url": "https://github.com/sadjow/claude-code-nix/archive/9150fa95a83d2a30b5f3a45d4562c0250da0ce11.tar.gz",
+      "hash": "sha256-9ftpmZu/sTuaV6rJoYakj7rxoGRjcsug1c4G+723u20="
     },
     "nixpkgs": {
       "type": "Git",
@@ -22,9 +22,9 @@
       },
       "branch": "nixos-unstable",
       "submodules": false,
-      "revision": "9dcb002ca1690658be4a04645215baea8b95f31d",
-      "url": "https://github.com/NixOS/nixpkgs/archive/9dcb002ca1690658be4a04645215baea8b95f31d.tar.gz",
-      "hash": "sha256-9jVDGZnvCckTGdYT53d/EfznygLskyLQXYwJLKMPsZs="
+      "revision": "4bd9165a9165d7b5e33ae57f3eecbcb28fb231c9",
+      "url": "https://github.com/NixOS/nixpkgs/archive/4bd9165a9165d7b5e33ae57f3eecbcb28fb231c9.tar.gz",
+      "hash": "sha256-l/iNYDZ4bGOAFQY2q8y5OAfBBtrDAaPuRQqWaFHVRXM="
     }
   },
   "version": 7

pkgs/fable/package.nix

@@ -0,0 +1,6 @@
+{ buildDotnetGlobalTool }:
+buildDotnetGlobalTool {
+  pname = "fable";
+  version = "4.24.0";
+  nugetHash = "sha256-ERewWqfEyyZKpHFFALpMGJT0fDWywBYY5buU/wTZZTg=";
+}

pkgs/oraios-pywebview/package.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+}:
+
+python3Packages.buildPythonPackage rec {
+  pname = "oraios-pywebview";
+  version = "6.2";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "oraios";
+    repo = "pywebview";
+    tag = "v${version}";
+    hash = "sha256-i99O0UuyfepQHBTpeeL07TY7AbygP+/XFxX3Q8JluIU=";
+  };
+
+  build-system = [ python3Packages.setuptools-scm ];
+
+  env.SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  dependencies = with python3Packages; [
+    bottle
+    pyside6
+    proxy-tools
+    qtpy
+    six
+    typing-extensions
+  ];
+
+  pythonImportsCheck = [ "webview" ];
+
+  meta = {
+    description = "Lightweight cross-platform wrapper around a webview (oraios fork)";
+    homepage = "https://github.com/oraios/pywebview";
+    license = lib.licenses.bsd3;
+  };
+}

pkgs/serena/package.nix

@@ -0,0 +1,86 @@
+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+  pyright,
+  fortls,
+  oraios-pywebview,
+}:
+# TODO: We can just get this from nixpkgs when merged: https://github.com/NixOS/nixpkgs/pull/506300
+python3Packages.buildPythonApplication (finalAttrs: {
+  pname = "serena";
+  version = "1.1.2";
+  pyproject = true;
+
+  disabled = python3Packages.pythonOlder "3.11";
+
+  src = fetchFromGitHub {
+    owner = "oraios";
+    repo = "serena";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-tVuUflyYxIcTjjOVh/aZbFzpRlQ90GWQcU7bu3XB1rI=";
+  };
+
+  postPatch = ''
+    # Remove the deprecated dotenv stub package (serena uses python-dotenv)
+    substituteInPlace pyproject.toml \
+      --replace-fail '"dotenv==0.9.9",' ""
+
+    # Remove pyright from Python dependencies and make it available at runtime
+    # instead
+    substituteInPlace pyproject.toml \
+      --replace-fail '"pyright==1.1.403",' ""
+
+    # Remove fortls from Python dependencies and make it available at runtime instead
+    substituteInPlace pyproject.toml \
+      --replace-fail '"fortls==3.2.2",' ""
+  '';
+
+  build-system = [ python3Packages.hatchling ];
+
+  pythonRelaxDeps = true;
+
+  makeWrapperArgs = [
+    "--prefix PATH : ${
+      lib.makeBinPath [
+        pyright
+        fortls
+      ]
+    }"
+  ];
+
+  dependencies = [
+    oraios-pywebview
+  ]
+  ++ (with python3Packages; [
+    anthropic
+    docstring-parser
+    beautifulsoup4
+    cryptography
+    flask
+    jinja2
+    joblib
+    mcp
+    overrides
+    pathspec
+    psutil
+    pydantic
+    pystray
+    python-dotenv
+    pyyaml
+    requests
+    ruamel-yaml
+    sensai-utils
+    tiktoken
+    tqdm
+    types-pyyaml
+    pygls
+    lsprotocol
+  ]);
+
+  optional-dependencies = with python3Packages; {
+    google = [ google-genai ];
+  };
+
+  pythonImportsCheck = [ "serena" ];
+})