91 lines
2.8 KiB
Nix
91 lines
2.8 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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with lib; let
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cfg = config.coding.agents.claude-code;
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mcpCfg = config.programs.mcp or null;
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in {
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options.coding.agents.claude-code = {
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enable = mkEnableOption "Claude Code agent management via canonical agent.toml definitions";
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agentsInput = mkOption {
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type = types.nullOr types.anything;
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default = null;
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description = ''
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The `agents` flake input (your personal AGENTS repo).
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When set, agents are rendered from canonical agent.toml files
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and symlinked to ~/.claude/agents/.
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'';
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};
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modelOverrides = mkOption {
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type = types.attrsOf types.str;
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default = {};
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description = ''
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Per-agent model overrides. Maps agent slug to model alias or ID.
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Example: { chiron = "claude-sonnet-4-20250514"; }
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'';
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example = literalExpression ''
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{
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chiron = "claude-sonnet-4-20250514";
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"chiron-forge" = "claude-sonnet-4-20250514";
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}
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'';
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};
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mcpServers = mkOption {
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type = types.attrsOf types.anything;
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default = if mcpCfg != null then mcpCfg.servers else {};
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defaultText = literalExpression "config.programs.mcp.servers";
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description = ''
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MCP server configurations for Claude Code.
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Merged into ~/.claude/settings.json alongside permissions.
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Automatically inherits from config.programs.mcp.servers.
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'';
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};
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};
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config = mkIf cfg.enable (let
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agentsLib = (import ../../../../lib {inherit lib;}).agents;
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# Rendered agents + permissions (only if agentsInput is set)
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rendered = mkIf (cfg.agentsInput != null) (
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agentsLib.renderForClaudeCode {
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inherit pkgs;
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canonical = cfg.agentsInput.lib.loadAgents;
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modelOverrides = cfg.modelOverrides;
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}
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);
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# Merge MCP servers into the rendered settings.json.
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# The renderer produces { permissions: { allow, deny } }.
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# We add mcpServers on top.
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settingsJson =
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if cfg.agentsInput != null
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then let
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renderedSettings = builtins.fromJSON (builtins.readFile "${rendered}/.claude/settings.json");
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withMcp =
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if cfg.mcpServers != {}
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then renderedSettings // {mcpServers = cfg.mcpServers;}
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else renderedSettings;
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in
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pkgs.writeText "claude-settings.json" (builtins.toJSON withMcp)
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else if cfg.mcpServers != {}
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then pkgs.writeText "claude-settings.json" (builtins.toJSON {mcpServers = cfg.mcpServers;})
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else null;
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in {
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# Rendered agent files symlinked to ~/.claude/agents/
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home.file.".claude/agents" = mkIf (cfg.agentsInput != null) {
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source = "${rendered}/.claude/agents";
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};
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# Rendered settings.json with permissions + MCP servers
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home.file.".claude/settings.json" = mkIf (settingsJson != null) {
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source = "${settingsJson}";
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};
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});
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}
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