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/browsers/vivaldi/update.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p libarchive curl common-updater-scripts
+
+set -eu -o pipefail
+
+cd "$(dirname "${BASH_SOURCE[0]}")"
+root=../../../../..
+export NIXPKGS_ALLOW_UNFREE=1
+
+version() {
+  (cd "$root" && nix-instantiate --eval --strict -A "$1.version" | tr -d '"')
+}
+
+vivaldi_version_old=$(version vivaldi)
+vivaldi_version=$(curl -sS https://vivaldi.com/download/ | sed -rne 's/.*vivaldi-stable_([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+-[0-9]+)_amd64\.deb.*/\1/p')
+
+if [[ "$vivaldi_version" = "$vivaldi_version_old" ]]; then
+  echo "vivaldi is already up-to-date"
+  exit
+fi
+
+# Download vivaldi and save hash and file path.
+url="https://downloads.vivaldi.com/stable/vivaldi-stable_${vivaldi_version}_amd64.deb"
+mapfile -t prefetch < <(nix-prefetch-url --print-path "$url")
+hash=${prefetch[0]}
+path=${prefetch[1]}
+
+nixpkgs="$(git rev-parse --show-toplevel)"
+default_nix="$nixpkgs/pkgs/applications/networking/browsers/vivaldi/default.nix"
+ffmpeg_nix="$nixpkgs/pkgs/applications/networking/browsers/vivaldi/ffmpeg-codecs.nix"
+
+(cd "$root" && update-source-version vivaldi "$vivaldi_version" "$hash")
+
+git add "${default_nix}"
+git commit -m "vivaldi: ${vivaldi_version_old} -> ${vivaldi_version}"
+
+# Check vivaldi-ffmpeg-codecs version.
+chromium_version_old=$(version vivaldi-ffmpeg-codecs)
+ffmpeg_update_script=$(bsdtar xOf "$path" data.tar.xz | bsdtar xOf - ./opt/vivaldi/update-ffmpeg)
+chromium_version=$(sed -rne 's/FFMPEG_VERSION_DEB\=([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+).*/\1/p' <<< $ffmpeg_update_script)
+download_subdir=$(sed -rne 's/.*FFMPEG_URL_DEB\=https:\/\/launchpadlibrarian\.net\/([0-9]+)\/.*_amd64\.deb/\1/p' <<< $ffmpeg_update_script)
+
+if [[ "$chromium_version" != "$chromium_version_old" ]]; then
+  # replace the download prefix
+  sed -i $ffmpeg_nix -e "s/\(https:\/\/launchpadlibrarian\.net\/\)[0-9]\+/\1$download_subdir/g"
+  (cd "$root" && update-source-version vivaldi-ffmpeg-codecs "$chromium_version")
+
+  git add "${ffmpeg_nix}"
+  git commit -m "vivaldi-ffmepg-codecs: $chromium_version_old -> $chromium_version"
+fi