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/applications/networking/instant-messengers/deltachat-desktop/update.sh

@@ -0,0 +1,45 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p coreutils curl gnused jq moreutils nix-prefetch
+
+set -euo pipefail
+cd "$(dirname "$0")"
+
+owner=deltachat
+repo=deltachat-desktop
+nixpkgs=../../../../..
+
+rev=$(
+    curl -s "https://api.github.com/repos/$owner/$repo/releases" |
+    jq 'map(select(.prerelease | not)) | .[0].tag_name' --raw-output
+)
+ver=$(echo "$rev" | sed 's/^v//')
+old_ver=$(tac default.nix | sed -n 's/.*\bversion = "\(.*\)".*/\1/p' | head -1)
+if [ "$ver" = "$old_ver" ]; then
+    echo "Up to date: $ver"
+    exit
+fi
+echo "$old_ver -> $ver"
+
+hash=$(nix-prefetch -f "$nixpkgs" deltachat-desktop --rev "$rev")
+tac default.nix \
+    | sed -e "0,/version = \".*\"/s//version = \"$ver\"/" \
+          -e "0,/hash = \".*\"/s//hash = \"${hash//\//\\/}\"/" \
+    | tac \
+    | sponge default.nix
+
+src=$(nix-build "$nixpkgs" -A deltachat-desktop.src --no-out-link)
+
+jq '{ name, version, dependencies: (.dependencies + (.devDependencies | del(.["@types/chai","@types/mocha","@types/node-fetch","@typescript-eslint/eslint-plugin","@typescript-eslint/parser","chai","electron-builder","electron-devtools-installer","electron-notarize","eslint","eslint-config-prettier","eslint-plugin-react-hooks","hallmark","mocha","node-fetch","prettier","testcafe","testcafe-browser-provider-electron","testcafe-react-selectors","ts-node","walk"]))) }' \
+    "$src/package.json" > package.json.new
+
+if cmp --quiet package.json{.new,}; then
+    echo "package.json not changed, skip updating nodePackages"
+    rm package.json.new
+else
+    echo "package.json changed, updating nodePackages"
+    mv package.json{.new,}
+
+    pushd ../../../../development/node-packages
+    ./generate.sh
+    popd
+fi