uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/data/fonts/nerdfonts/update.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p nix-prefetch jq
+
+latest_release=$(curl --silent https://api.github.com/repos/ryanoasis/nerd-fonts/releases/latest)
+version=$(jq -r '.tag_name' <<<"$latest_release")
+
+dirname="$(dirname "$0")"
+echo \""${version#v}"\" >"$dirname/version.nix"
+
+echo Using version "$version"
+
+printf '{\n' > "$dirname/shas.nix"
+
+while
+  read -r name
+  read -r url
+do
+    printf '  "%s" = "%s";\n' "${name%.*}" "$(nix-prefetch-url "$url")" >>"$dirname/shas.nix"
+done < <(jq -r '.assets[] | .name, .browser_download_url' <<<"$latest_release")
+
+printf '}\n' >> "$dirname/shas.nix"