nixpkgs/pkgs/applications/networking/browsers/firefox-wrapper/builder.sh

. $stdenv/setup

shopt -s nullglob

mkdir -p $out/bin

pluginPath=
extraLibPath=
for i in $plugins; do
    for p in $i/lib/mozilla/plugins $i/jre/plugin/*/mozilla; do
        if test -e $p; then
            pluginPath=$pluginPath${pluginPath:+:}$p
            if test -e $p/extra-library-path; then
                extraLibPath=$extraLibPath${extraLibPath:+:}$(cat $p/extra-library-path)
            fi
        fi
    done
done

cat > $out/bin/firefox <<EOF
#! $SHELL
export LD_LIBRARY_PATH=$extraLibPath
export MOZ_PLUGIN_PATH=$pluginPath
exec $firefox/bin/firefox "\$@"
EOF

chmod +x $out/bin/firefox