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/element/seshat/default.nix

@@ -0,0 +1,58 @@
+{ lib, stdenv, rustPlatform, fetchFromGitHub, callPackage, sqlcipher, nodejs-14_x, python3, yarn, fixup_yarn_lock, CoreServices, fetchYarnDeps, removeReferencesTo }:
+
+let
+  pinData = lib.importJSON ./pin.json;
+
+in rustPlatform.buildRustPackage rec {
+  pname = "seshat-node";
+  inherit (pinData) version;
+
+  src = fetchFromGitHub {
+    owner = "matrix-org";
+    repo = "seshat";
+    rev = version;
+    sha256 = pinData.srcHash;
+  };
+
+  sourceRoot = "source/seshat-node/native";
+
+  nativeBuildInputs = [ nodejs-14_x python3 yarn ];
+  buildInputs = [ sqlcipher ] ++ lib.optional stdenv.isDarwin CoreServices;
+
+  npm_config_nodedir = nodejs-14_x;
+
+  yarnOfflineCache = fetchYarnDeps {
+    yarnLock = src + "/seshat-node/yarn.lock";
+    sha256 = pinData.yarnHash;
+  };
+
+  buildPhase = ''
+    runHook preBuild
+    cd ..
+    chmod u+w . ./yarn.lock
+    export HOME=$PWD/tmp
+    mkdir -p $HOME
+    yarn config --offline set yarn-offline-mirror ${yarnOfflineCache}
+    ${fixup_yarn_lock}/bin/fixup_yarn_lock yarn.lock
+    yarn install --offline --frozen-lockfile --ignore-platform --ignore-scripts --no-progress --non-interactive
+    patchShebangs node_modules/
+    node_modules/.bin/neon build --release
+    runHook postBuild
+  '';
+
+  doCheck = false;
+
+  installPhase = ''
+    runHook preInstall
+    shopt -s extglob
+    rm -rf native/!(index.node)
+    rm -rf node_modules $HOME
+    cp -r . $out
+    ${removeReferencesTo}/bin/remove-references-to -t ${stdenv.cc.cc} $out/native/index.node
+    runHook postInstall
+  '';
+
+  disallowedReferences = [ stdenv.cc.cc ];
+
+  cargoSha256 = pinData.cargoHash;
+}

pkgs/applications/networking/instant-messengers/element/seshat/pin.json

@@ -0,0 +1,6 @@
+{
+  "version": "2.3.0",
+  "srcHash": "JyqtM1CCRgxAAdhgQYaIUYPnxEcDrlW1SjDCmsrPL34=",
+  "yarnHash": "0bym6i1f0i3bs4fncbiwzwmbxp7j14rz1v4kyvsl02qs97qw1jac",
+  "cargoHash": "sha256-EjtH96SC2kgan631+wlu9LStGKm6ljCR4x3/WpCTS0E="
+}

pkgs/applications/networking/instant-messengers/element/seshat/update.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -I nixpkgs=../../../../../../ -i bash -p wget prefetch-yarn-deps yarn nix-prefetch
+
+if [ "$#" -gt 1 ] || [[ "$1" == -* ]]; then
+  echo "Regenerates packaging data for the seshat package."
+  echo "Usage: $0 [git release tag]"
+  exit 1
+fi
+
+version="$1"
+
+set -euo pipefail
+
+if [ -z "$version" ]; then
+  version="$(wget -O- "https://api.github.com/repos/matrix-org/seshat/tags" | jq -r '.[] | .name' | sort --version-sort | tail -1)"
+fi
+
+SRC="https://raw.githubusercontent.com/matrix-org/seshat/$version"
+
+tmpdir=$(mktemp -d)
+trap 'rm -rf "$tmpdir"' EXIT
+
+pushd $tmpdir
+wget "$SRC/seshat-node/yarn.lock"
+yarn_hash=$(prefetch-yarn-deps yarn.lock)
+popd
+
+src_hash=$(nix-prefetch-github matrix-org seshat --rev ${version} | jq -r .sha256)
+
+cat > pin.json << EOF
+{
+  "version": "$version",
+  "srcHash": "$src_hash",
+  "yarnHash": "$yarn_hash",
+  "cargoHash": "0000000000000000000000000000000000000000000000000000"
+}
+EOF
+
+cargo_hash=$(nix-prefetch "{ sha256 }: (import ../../../../../.. {}).element-desktop.seshat.cargoDeps")
+
+cat > pin.json << EOF
+{
+  "version": "$version",
+  "srcHash": "$src_hash",
+  "yarnHash": "$yarn_hash",
+  "cargoHash": "$cargo_hash"
+}
+EOF
+