120 lines
3.7 KiB
Nix
120 lines
3.7 KiB
Nix
{ pkgs, ... }:
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let
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# MCP wrapper script that ensures Python is available for GUI apps
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mcpNixosWrapper = pkgs.writeShellScriptBin "mcp-nixos-wrapper" ''
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export PATH="${pkgs.python3}/bin:${pkgs.uv}/bin:$PATH"
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exec ${pkgs.uv}/bin/uvx mcp-nixos "$@"
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'';
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# Generate MCP configs for GUI applications
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mcpConfigForGUI = pkgs.writeText "mcp_settings.json" (builtins.toJSON {
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mcpServers = {
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nixos = {
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type = "stdio";
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command = "${mcpNixosWrapper}/bin/mcp-nixos-wrapper";
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args = [ ];
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};
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};
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});
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# Script to install MCP configs for Claude Code and Codex
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installMcpConfigs = pkgs.writeShellScriptBin "install-mcp-configs" ''
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set -e
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echo "Installing MCP configurations..."
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mkdir -p "$HOME/.config/claude-code"
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mkdir -p "$HOME/.config/codex"
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cp ${mcpConfigForGUI} "$HOME/.config/claude-code/mcp_settings.json"
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cp ${mcpConfigForGUI} "$HOME/.config/codex/mcp_settings.json"
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echo "✓ Installed MCP config to ~/.config/claude-code/mcp_settings.json"
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echo "✓ Installed MCP config to ~/.config/codex/mcp_settings.json"
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echo ""
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echo "Restart Claude Code and Codex to apply changes."
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'';
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# Helper that builds the wrapped Neovim from the flake and runs it with repo-scoped XDG dirs
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previewNvim = pkgs.writeShellScriptBin "preview-nvim" ''
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set -euo pipefail
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root="''${DOTFILES_ROOT:-$PWD}"
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cache_base="$root/.cache"
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nvim_cache="$cache_base/nvim-preview"
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xdg_state="$cache_base/xdg-state"
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xdg_data="$cache_base/xdg-data"
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xdg_config="$root/modules/home/rsydn/programs"
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mkdir -p "$nvim_cache" "$xdg_state" "$xdg_data"
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attr="''${NVIM_ATTR:-}"
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if [ "$#" -gt 0 ]; then
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attr="$1"
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shift
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fi
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if [ -z "$attr" ]; then
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case "$(uname -s)" in
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Darwin)
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attr=".#darwinConfigurations.macbook-pro.config.home-manager.users.rasyidanakbar.programs.neovim.finalPackage"
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;;
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Linux)
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attr=".#nixosConfigurations.dev-vm.config.home-manager.users.rasyidanakbar.programs.neovim.finalPackage"
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;;
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*)
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echo "error: unsupported system; pass flake attribute as first argument or set NVIM_ATTR" >&2
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exit 1
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;;
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esac
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fi
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out_link="$nvim_cache/result"
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echo "Building Neovim package: $attr"
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XDG_CACHE_HOME="$nvim_cache" nix build "$attr" --out-link "$out_link"
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echo "Launching Neovim..."
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XDG_CACHE_HOME="$nvim_cache" \
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XDG_STATE_HOME="$xdg_state" \
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XDG_DATA_HOME="$xdg_data" \
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XDG_CONFIG_HOME="$xdg_config" \
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NVIM_APPNAME="nvim" \
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"$out_link/bin/nvim" "$@"
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'';
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in pkgs.mkShell {
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name = "default";
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packages = with pkgs; [
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git
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nix
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nixfmt-classic
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uv
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python3
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mcpNixosWrapper
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installMcpConfigs
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previewNvim
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];
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shellHook = ''
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export DOTFILES_ROOT="$PWD"
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export XDG_CACHE_HOME="$DOTFILES_ROOT/.cache"
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export UV_CACHE_DIR="$XDG_CACHE_HOME/uv"
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export UV_TOOL_HOME="$XDG_CACHE_HOME/uv-tools"
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export XDG_DATA_HOME="$DOTFILES_ROOT/.cache/xdg-data"
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export UV_PYTHON_DOWNLOADS=never
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export MCP_CONFIG_PATH="$DOTFILES_ROOT/.mcp.json"
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mkdir -p "$XDG_CACHE_HOME" "$UV_CACHE_DIR" "$UV_TOOL_HOME" "$XDG_DATA_HOME"
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alias mcp-nixos='XDG_CACHE_HOME="$XDG_CACHE_HOME" XDG_DATA_HOME="$XDG_DATA_HOME" UV_CACHE_DIR="$UV_CACHE_DIR" UV_TOOL_HOME="$UV_TOOL_HOME" UV_PYTHON_DOWNLOADS="$UV_PYTHON_DOWNLOADS" uvx mcp-nixos'
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echo "Loaded default shell for dotfiles development"
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echo "MCP helper alias ready: mcp-nixos"
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echo ""
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echo "To install MCP configs for Claude Code and Codex, run:"
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echo " install-mcp-configs"
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echo ""
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echo "To preview the Neovim config without switching, run:"
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echo " preview-nvim [flakeAttr] [-- extra args]"
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'';
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}
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