[NixOS] Fix keybase gui

nixos/configuration.nix

@@ -52,6 +52,37 @@ let
       makeWrapper libtool gnome3.gnome-common
     ];
   });
+  keybase-gui-fixed = with pkgs; keybase-gui.overrideAttrs (oldAttrs: rec {
+    installPhase = ''
+    mkdir -p $out/bin
+    mv usr/share $out/share
+    mv opt/keybase $out/share/
+    cat > $out/bin/keybase-gui <<EOF
+    #!${stdenv.shell}
+    checkFailed() {
+      if [ "\$NIX_SKIP_KEYBASE_CHECKS" = "1" ]; then
+        return
+      fi
+      echo "Set NIX_SKIP_KEYBASE_CHECKS=1 if you want to skip this check." >&2
+      exit 1
+    }
+    if [ ! -S "\$XDG_RUNTIME_DIR/keybase/keybased.sock" ]; then
+      echo "Keybase service doesn't seem to be running." >&2
+      echo "You might need to run: keybase service" >&2
+      checkFailed
+    fi
+    if [ -z "\$(keybase status | grep kbfsfuse)" ]; then
+      echo "Could not find kbfsfuse client in keybase status." >&2
+      echo "You might need to run: kbfsfuse" >&2
+      checkFailed
+    fi
+    exec $out/share/keybase/Keybase "\$@"
+    EOF
+    chmod +x $out/bin/keybase-gui
+    substituteInPlace $out/share/applications/keybase.desktop \
+      --replace run_keybase $out/bin/keybase-gui
+  '';
+  });
 in
 {
   nixpkgs.config.allowUnfree = true;
@@ -105,7 +136,7 @@ in
     kleopatra
     google-chrome
     hexchat
-    keybase-gui
+    keybase-gui-fixed
     kodi
     lxappearance
     rxvt_unicode