nixpkgs/pkgs/development/libraries/webkitgtk/fix-bubblewrap-paths.patch

diff -ru old/webkitgtk-2.26.0/Source/WebKit/UIProcess/Launcher/glib/BubblewrapLauncher.cpp webkitgtk-2.26.0/Source/WebKit/UIProcess/Launcher/glib/BubblewrapLauncher.cpp
--- old/webkitgtk-2.26.0/Source/WebKit/UIProcess/Launcher/glib/BubblewrapLauncher.cpp	2019-09-09 04:47:07.000000000 -0400
+++ webkitgtk-2.26.0/Source/WebKit/UIProcess/Launcher/glib/BubblewrapLauncher.cpp	2019-09-20 21:14:10.537921173 -0400
@@ -585,7 +585,7 @@
         { SCMP_SYS(keyctl), nullptr },
         { SCMP_SYS(request_key), nullptr },
 
-        // Scary VM/NUMA ops 
+        // Scary VM/NUMA ops
         { SCMP_SYS(move_pages), nullptr },
         { SCMP_SYS(mbind), nullptr },
         { SCMP_SYS(get_mempolicy), nullptr },
@@ -724,6 +724,10 @@
         "--ro-bind-try", "/usr/local/lib64", "/usr/local/lib64",
 
         "--ro-bind-try", PKGLIBEXECDIR, PKGLIBEXECDIR,
+
+        // Nix Directories
+        "--ro-bind", "@storeDir@", "@storeDir@",
+        "--ro-bind", "/run/current-system", "/run/current-system",
     };
     // We would have to parse ld config files for more info.
     bindPathVar(sandboxArgs, "LD_LIBRARY_PATH");