feat: nix flake

flake.nix

@@ -0,0 +1,48 @@
+{
+  description = "Flare: a Raycast-compatible launcher on Linux";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        pname = "flare";
+        version = "0.1.0";
+        src = pkgs.fetchurl {
+          url = "https://github.com/ByteAtATime/flare/releases/download/v0.1.0/flare_0.1.0_amd64.AppImage";
+          hash = "sha256-uASP1JoHD+gUFUxfsEYUd1EdpDfBUO458ict6MRdyDw=";
+        };
+        appimageContents = pkgs.appimageTools.extract { inherit pname version src; };
+
+        flare = pkgs.appimageTools.wrapType2 {
+          inherit pname version src;
+          extraInstallCommands = ''
+            install -m 444 -D ${appimageContents}/${pname}.desktop -t $out/share/applications
+            substituteInPlace $out/share/applications/${pname}.desktop \
+              --replace 'Exec=AppRun' 'Exec=${pname}'
+            cp -r ${appimageContents}/usr/share/icons $out/share
+          '';
+          extraBwrapArgs = [
+            "--bind-try /etc/nixos/ /etc/nixos/"
+          ];
+          dieWithParent = false;
+        };
+      in
+      {
+        packages.default = flare;
+        packages.flare = flare;
+
+        apps.default = flake-utils.lib.mkApp {
+          drv = flare;
+        };
+
+        apps.flare = flake-utils.lib.mkApp {
+          drv = flare;
+        };
+      });
+}