fix nix flake [build]

Author: KorryKatti

.github/workflows/build.yml

@@ -47,7 +47,7 @@ jobs:
 
       - name: Install Wails (Linux)
         if: runner.os == 'Linux'
-        run: nix-shell -p go --run "go install github.com/wailsapp/wails/v2/cmd/wails@latest"
+        run: nix develop --command go install github.com/wailsapp/wails/v2/cmd/wails@latest
 
       - name: Install frontend deps
         run: bun install
@@ -59,4 +59,4 @@ jobs:
 
       - name: Build (Linux)
         if: runner.os == 'Linux'
-        run: nix-shell -p pkg-config gtk3 webkit2gtk_4_0 gobject-introspection --run "export PATH=$HOME/go/bin:$PATH && wails build"
+        run: nix develop --command wails build

.github/workflows/release.yml

@@ -75,15 +75,14 @@ jobs:
         run: npm install -g bun
 
       - name: Install Wails via Nix
-        run: nix-shell -p go --run "go install github.com/wailsapp/wails/v2/cmd/wails@latest"
+        run: nix develop --command go install github.com/wailsapp/wails/v2/cmd/wails@latest
 
       - name: Install frontend deps
         run: bun install
         working-directory: frontend
 
       - name: Build with Nix
-        run: |
-          nix-shell -p pkg-config gtk3 webkit2gtk_4_0 gobject-introspection --run "export PATH=$HOME/go/bin:$PATH && wails build -clean"
+        run: nix develop --command wails build -clean
 
       - name: Rename binary
         run: mv build/bin/thunder thunder-linux-amd64

flake.nix

@@ -0,0 +1,26 @@
+{
+  description = "Thunder build environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      pkgs = nixpkgs.legacyPackages.x86_64-linux;
+    in {
+      devShells.x86_64-linux.default = pkgs.mkShell {
+        buildInputs = with pkgs; [
+          go
+          pkg-config
+          gtk3
+          webkitgtk_4_0
+          gobject-introspection
+        ];
+
+        shellHook = ''
+          export PATH=$HOME/go/bin:$PATH
+        '';
+      };
+    };
+}