Git: Ignore result symlink created by nix

This patch adds a default nix which invokes a `callPackage`
to build sources from the current working directory.

To invoke the build run `nix-build`.

.gitignore

@@ -1,2 +1,3 @@
 /target
-private.rs
+private.rs
+result

Cargo.lock

@@ -2416,6 +2416,8 @@ checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
 [[package]]
 name = "relm4"
 version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf0363f92b6a7eefd985b47f27b7ae168dd2fd5cd4013a338c9b111c33744d1f"
 dependencies = [
  "flume",
  "fragile",
@@ -2431,7 +2433,9 @@ dependencies = [
 
 [[package]]
 name = "relm4-components"
-version = "0.9.0"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb3d67f2982131c5e6047af4278d8fe750266767e57b58bc15f2e11e190eef36"
 dependencies = [
  "once_cell",
  "relm4",
@@ -2441,10 +2445,14 @@ dependencies = [
 [[package]]
 name = "relm4-css"
 version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d3b924557df1cddc687b60b313c4b76620fdbf0e463afa4b29f67193ccf37f9"
 
 [[package]]
 name = "relm4-macros"
 version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc5885640821d60062497737dd42fd04248d13c7ecccee620caaa4b210fe9905"
 dependencies = [
  "proc-macro2",
  "quote",

default.nix

@@ -0,0 +1,56 @@
+{ pkgs ? import <nixpkgs> {} }: let
+  package = {
+    rustPlatform,
+    nix-gitignore,
+    pkg-config,
+    openssl,
+    glib,
+    gdk-pixbuf,
+    graphene,
+    cairo,
+    pango,
+    gtk4,
+    libsoup_3,
+    libadwaita,
+    webkitgtk_6_0,
+    libseccomp,
+    wrapGAppsHook4,
+    glib-networking,
+  }: rustPlatform.buildRustPackage {
+    pname = "paket";
+    version = "unstable-2024-08-28";
+
+    src = nix-gitignore.gitignoreSource [] ./.;
+
+    cargoLock.lockFile = ./Cargo.lock;
+
+    nativeBuildInputs = [
+      pkg-config
+      graphene
+      cairo
+      wrapGAppsHook4
+    ];
+
+    buildInputs = [
+      # Building
+      openssl
+      glib
+      gdk-pixbuf
+      pango
+      gtk4
+      libsoup_3
+      libadwaita
+      webkitgtk_6_0 # for JSC
+
+      # Linking
+      libseccomp
+
+      # Runtime
+      glib-networking
+    ];
+
+    meta = {
+      mainProgram = "packet";
+    };
+  };
+in pkgs.callPackage package { }