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/blockchains/nbxplorer/util/create-deps.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p dotnet-sdk_6
+set -euo pipefail
+
+# Writes deps for dotnet package in $pkgSrc to $depsFile.
+# Expects $pkgSrc to contain a single .sln file.
+
+pkgSrc=$1
+depsFile=$(realpath "$2")
+customFlags=$3
+
+sln=$(cd "$pkgSrc"; find * -maxdepth 0 -name '*.sln' | head -1)
+[[ $sln ]] || { echo "No .sln file in $pkgSrc" ; exit 1; }
+
+tmpdir=$(mktemp -d /tmp/$pkgName-src.XXX)
+echo "Using tmp dir: $tmpdir"
+cp -rT "$pkgSrc" "$tmpdir"
+chmod -R +w "$tmpdir"
+
+pushd "$tmpdir" > /dev/null
+mkdir home
+echo "Running dotnet restore for $sln"
+HOME=home DOTNET_CLI_TELEMETRY_OPTOUT=1 \
+  dotnet restore $customFlags -v normal --no-cache "$sln" > restore_log
+
+echo "{ fetchNuGet }: [" > "$depsFile"
+while read pkgSpec; do
+  { read pname; read version; } < <(
+    # Ignore build version part: 1.0.0-beta2+77df2220 -> 1.0.0-beta2
+    sed -nE 's/.*<id>([^<]*).*/\1/p; s/.*<version>([^<+]*).*/\1/p' "$pkgSpec"
+  )
+  sha256=$(nix-hash --type sha256 --flat --base32 "$(dirname "$pkgSpec")"/*.nupkg)
+  cat >> "$depsFile" <<EOF
+  (fetchNuGet {
+    pname = "$pname";
+    version = "$version";
+    sha256 = "$sha256";
+  })
+EOF
+done < <(find home/.nuget/packages -name '*.nuspec' | LC_ALL=C sort)
+echo "]" >> "$depsFile"
+
+echo "Created $depsFile"
+
+popd > /dev/null
+rm -r $tmpdir