Merge pull request #37 from QuarterHeaven/master

add nix flake support

.gitignore

@@ -1,5 +1,6 @@
 # compiled files and executables
 /target/
+/result
 
 # distributable packages
 /dist/

README.md

@@ -8,7 +8,7 @@ Example use cases:
 
 - **Improve Wayland compatibility**: You have already enabled support for wayland in your system, but your computer does not synchronize the clipboard between X11 and wayland windows. clipboard-sync can solve this problem. [more details](https://github.com/dnut/clipboard-sync/issues/9#issuecomment-1502368133)
 - **VNC**: You run a VNC server and would like all host and client logins from the same user to share the same clipboard.
-- **Multiple displays**: You run two or more desktop environments or window managers in separate ttys, switching between desktops using ctrl-alt-F*. 
+- **Multiple displays**: You run two or more desktop environments or window managers in separate ttys, switching between desktops using ctrl-alt-F*.
 - **Nested Wayland**: You run a wayland compositor within a window. examples:
   - you primarily use kde, but run sway in a window to consolidate all your messenger apps into a single tiled/tabbed window.
   - you use gnome and develop extensions for gnome, so you run a nested gnome environment for testing.
@@ -77,6 +77,16 @@ In addition to installing from the official repository, you can also build and i
 make deb && sudo apt install ./dist/deb/clipboard-sync_*.deb
 ```
 
+### NixOS
+Add this repo to your flake inputs:
+```nix
+clipboard-sync.url = "github:dnut/clipboard-sync";
+```
+
+Put `clipboard-sync.nixosModules.default` into flake modules.
+
+To enable the systemd service, add `services.clipboard-sync.enable = true;` into the `configuration.nix`.
+
 # Usage
 The typical set-and-forget approach is to enable to service:
 ```bash

default.nix

@@ -0,0 +1,11 @@
+{
+  pkgs ? import <nixpkgs> { },
+}:
+pkgs.rustPlatform.buildRustPackage rec {
+  buildInputs = with pkgs; [ xorg.libxcb ];
+
+  pname = "clipboard-sync";
+  version = "0.2.0";
+  cargoLock.lockFile = ./Cargo.lock;
+  src = ./.;
+}

flake.nix

@@ -0,0 +1,48 @@
+{
+  description = "Synchronizes the clipboard across multiple X11 and wayland instances running on the same machine";
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  };
+  outputs =
+    { self, nixpkgs }:
+    let
+      supportedSystems = [ "x86_64-linux" ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+      pkgsFor = nixpkgs.legacyPackages;
+    in
+    {
+      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt-rfc-style;
+      packages = forAllSystems (system: {
+        default = pkgsFor.${system}.callPackage ./. { };
+      });
+
+      nixosModules.default =
+        # For illustration, probably want to break this definition out to a separate file
+        {
+          config,
+          pkgs,
+          lib,
+          ...
+        }:
+        {
+          options = {
+            services.clipboard-sync.enable = lib.mkEnableOption "clipboard-sync";
+          };
+
+          config = lib.mkIf config.services.clipboard-sync.enable {
+            systemd.user.services.clipboard-sync = {
+              description = "Synchronize clipboards across all displays";
+              documentation = [ "https://github.com/dnut/clipboard-sync/" ];
+              wantedBy = [ "graphical-session.target" ];
+              after = [ "graphical-session.target" ];
+              partOf = [ "graphical-session.target" ];
+              requisite = [ "graphical-session.target" ];
+              serviceConfig.ExecStart = "/usr/bin/env ${
+                self.packages.${pkgs.system}.default
+              }/bin/clipboard-sync --hide-timestamp --log-level debug";
+              serviceConfig.Restart = "on-failure";
+            };
+          };
+        };
+    };
+}