initial commit

2026-08-05 18:57:23 +01:00
commit dda5d14d63
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+{...}: {
+  # opencode MCP servers, installed declaratively instead of via the dotfiles
+  # `install` script (which downloads prebuilt binaries into ~/.local/bin).
+  #   - gitea-mcp : packaged in nixpkgs as gitea-mcp-server (binary: gitea-mcp)
+  #   - engram    : not in nixpkgs, built here from source with buildGoModule
+  # Both are referenced by bare command name in opencode.jsonc, so they resolve
+  # from PATH.
+  flake.nixosModules.opencode-mcp = {pkgs, ...}: let
+    engram = pkgs.buildGoModule rec {
+      pname = "engram";
+      version = "1.20.0";
+
+      src = pkgs.fetchFromGitHub {
+        owner = "Gentleman-Programming";
+        repo = "engram";
+        rev = "v${version}";
+        hash = "sha256-qdKAll7N0HtJRbZYilzatVCUz1Tr+pqM217Y8O+Csjs=";
+      };
+
+      vendorHash = "sha256-O+pC4x4DKNUWr7Sx9iZOjK6a64wrQA4/lnjvkNLBX64=";
+
+      subPackages = ["cmd/engram"];
+
+      # Inject the version (upstream sets main.version via goreleaser ldflags).
+      ldflags = ["-s" "-w" "-X" "main.version=${version}"];
+
+      # Upstream tests bind network ports (autosync), which fails in the Nix
+      # build sandbox. The binary itself builds fine.
+      doCheck = false;
+
+      meta = with pkgs.lib; {
+        description = "Persistent memory MCP server for coding agents";
+        homepage = "https://github.com/Gentleman-Programming/engram";
+        license = licenses.mit;
+        mainProgram = "engram";
+      };
+    };
+  in {
+    environment.systemPackages = [
+      pkgs.gitea-mcp-server # provides the `gitea-mcp` binary
+      engram
+    ];
+  };
+}