chore: Add version switch and Nix flake build

Signed-off-by: Richard Palethorpe <io@richiejp.com>

Author: richiejp

.gitignore

@@ -1 +1,3 @@
-VoxInput
+VoxInput
+voxinput
+result

README.md

@@ -62,10 +62,12 @@ KERNEL=="uinput", GROUP="input", MODE="0620", OPTIONS+="static_node=uinput"
 5. It makes sense to bind the `record` and `write` commands to keys using your window manager. For instance in my Sway config I have the following
 
 ```
-bindsym $mod+Shift+t exec VoxInput record
-bindsym $mod+t exec VoxInput write
+bindsym $mod+Shift+t exec voxinput record
+bindsym $mod+t exec voxinput write
 ```
 
+Alternatively you can use the Nix flake.
+
 ## Usage
 
 ### Commands
@@ -111,7 +113,7 @@ bindsym $mod+t exec VoxInput write
 
 ## TODO
 
-- [ ] Put playback behind a debug switch
+- [x] Put playback behind a debug switch
 - [ ] Create a release
 - [ ] Realtime Transcription
 - [ ] GUI and system tray

flake.nix

@@ -5,7 +5,7 @@
 
   outputs = { self, nixpkgs }:
     let
-      supportedSystems = [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin" ];
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
       forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
       nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
     in
@@ -28,5 +28,44 @@
             LD_LIBRARY_PATH = "${pkgs.libpulseaudio}/lib";
           };
         });
+
+      packages = forAllSystems (system:
+        let
+          pkgs = nixpkgsFor.${system};
+        in
+        {
+          default = pkgs.buildGoModule {
+            pname = "voxinput";
+            version = "0.1.0";
+
+            # Path to the source code
+            src = ./.;
+
+            vendorHash = "sha256-OserWlRhKyTvLrYSikNCjdDdTATIcWTfqJi9n4mHVLE="; #nixpkgs.lib.fakeHash;
+
+            # Include runtime dependencies
+            buildInputs = with pkgs; [
+              libpulseaudio
+              dotool
+            ];
+
+            # Ensure libpulseaudio is available at runtime
+            LD_LIBRARY_PATH = "${pkgs.libpulseaudio}/lib";
+
+            # To take advantage of this something like services.udev.packages = [ nixpkgs.voxinput ] is required
+            postInstall = ''
+              mv $out/bin/VoxInput $out/bin/voxinput
+              mkdir -p $out/lib/udev/rules.d
+              echo 'KERNEL=="uinput", GROUP="input", MODE="0620", OPTIONS+="static_node=uinput"' > $out/lib/udev/rules.d/99-voxinput.rules
+            '';
+
+            meta = with pkgs.lib; {
+              description = "Transcribe input from your microphone and turn it into key presses on a virtual keyboard.";
+              license = licenses.mit;
+              maintainers = [ maintainers.richiejp ];
+              platforms = platforms.unix;
+            };
+          };
+        });
     };
 }

main.go

@@ -10,6 +10,9 @@ import (
 	"github.com/richiejp/VoxInput/internal/pid"
 )
 
+// Sync with flake
+const version = "0.1.0"
+
 func main() {
 
 	if len(os.Args) < 2 {
@@ -19,13 +22,19 @@ func main() {
 
 	cmd := os.Args[1]
 
-	if cmd == "help" {
+	switch cmd {
+	case "help":
 		fmt.Println("Available commands:")
 		fmt.Println("  listen - Start speech to text daemon (use --replay to play the audio just recorded for transcription)")
 		fmt.Println("  record - Tell existing listener to start recording audio")
 		fmt.Println("  write  - Tell existing listener to stop recording audio and transcribe it")
 		fmt.Println("  help   - Show this help message")
+		fmt.Println("  ver    - Print version")
 		return
+	case "ver":
+		fmt.Printf("v%s\n", version)
+		return
+	default:
 	}
 
 	pidPath, err := pid.Path()