treewide: xvfb_run -> xvfb-run

pkgs/applications/misc/girara/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, pkg-config, check, dbus, xvfb_run, glib, gtk, gettext, libiconv, json_c, libintl
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, check, dbus, xvfb-run, glib, gtk, gettext, libiconv, json_c, libintl
 }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1n3i960b458172mc3pkq7m9dn5qxry6fms3c3k06v27cjp5whsyf";
   };
 
-  nativeBuildInputs = [ meson ninja pkg-config gettext check dbus xvfb_run ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext check dbus xvfb-run ];
   buildInputs = [ libintl libiconv json_c ];
   propagatedBuildInputs = [ glib gtk ];
 

pkgs/applications/misc/pytrainer/default.nix

@@ -13,7 +13,7 @@
 , tzdata
 , webkitgtk
 , wrapGAppsHook
-, xvfb_run
+, xvfb-run
 }:
 
 let
@@ -66,7 +66,7 @@ in python.pkgs.buildPythonApplication rec {
   checkInputs = [
     glibcLocales
     perl
-    xvfb_run
+    xvfb-run
   ] ++ (with python.pkgs; [
     mysqlclient
     psycopg2

pkgs/applications/misc/ulauncher/default.nix

@@ -14,7 +14,7 @@
 , libappindicator
 , intltool
 , wmctrl
-, xvfb_run
+, xvfb-run
 , librsvg
 }:
 
@@ -66,7 +66,7 @@ python3Packages.buildPythonApplication rec {
     mock
     pytest
     pytest-mock
-    xvfb_run
+    xvfb-run
   ];
 
   patches = [