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/servers/web-apps/baget/updater.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p gnused jq common-updater-scripts nuget-to-nix dotnet-sdk_3 nix-prefetch-github
+set -eo pipefail
+cd "$(dirname "${BASH_SOURCE[0]}")"
+
+deps_file="$(realpath ./deps.nix)"
+
+new_version="$(curl -s "https://api.github.com/repos/loic-sharma/BaGet/releases?per_page=1" | jq -r '.[0].name' | sed 's,^v,,')"
+old_version="$(sed -nE 's/\s*version = "(.*)".*/\1/p' ./default.nix)"
+
+if [[ "$new_version" == "$old_version" ]]; then
+  echo "Already up to date!"
+  exit 0
+fi
+
+new_rev="v$new_version"
+nix-prefetch-github loic-sharma BaGet --rev "$new_rev" > repo_info
+new_hash="$(jq -r ".sha256" < repo_info)"
+rm repo_info
+
+pushd ../../../..
+
+update-source-version baget "$new_version" "$new_hash"
+store_src="$(nix-build -A baget.src --no-out-link)"
+src="$(mktemp -d /tmp/baget-src.XXX)"
+cp -rT "$store_src" "$src"
+
+trap 'rm -r "$src"' EXIT
+
+chmod -R +w "$src"
+
+pushd "$src"
+
+export DOTNET_NOLOGO=1
+export DOTNET_CLI_TELEMETRY_OPTOUT=1
+
+mkdir ./nuget_pkgs
+dotnet restore src/BaGet/BaGet.csproj --packages ./nuget_pkgs
+
+nuget-to-nix ./nuget_pkgs > "$deps_file"