mastodon: generate and read yarn hash from dependencies dir

, pname ? "mastodon"

, version ? import ./version.nix

, srcOverride ? null

, dependenciesDir ? ./.  # Should contain gemset.nix, yarn.nix and package.json.

, dependenciesDir ? ./.  # Expected to contain gemset.nix

, yarnHash ? import ./yarn-hash.nix

}:

stdenv.mkDerivation rec {

    yarnOfflineCache = fetchYarnDeps {

      yarnLock = "${src}/yarn.lock";

      sha256 = "sha256-e3rl/WuKXaUdeDEYvo1sSubuIwtBjkbguCYdAijwXOA=";

      hash = yarnHash;

    };

    nativeBuildInputs = [ fixup_yarn_lock nodejs-slim yarn mastodonGems mastodonGems.wrappedRuby brotli ];

#!/usr/bin/env nix-shell

#! nix-shell -i bash -p yarn2nix bundix coreutils diffutils nix-prefetch-github gnused jq

#! nix-shell -i bash -p bundix coreutils diffutils nix-prefetch-github gnused jq prefetch-yarn-deps

set -e

OWNER=mastodon

echo "Fetching source code $REVISION"

JSON=$(nix-prefetch-github "$OWNER" "$REPO" --rev "$REVISION" 2> $WORK_DIR/nix-prefetch-git.out)

HASH=$(echo "$JSON" | jq -r .hash)

HASH="$(echo "$JSON" | jq -r .sha256)"

HASH="$(nix hash to-sri --type sha256 "$HASH")"

echo "Creating version.nix"

echo "\"$VERSION\"" | sed 's/^"v/"/' > version.nix

echo "Creating gemset.nix"

bundix --lockfile="$SOURCE_DIR/Gemfile.lock" --gemfile="$SOURCE_DIR/Gemfile"

echo "" >> gemset.nix  # Create trailing newline to please EditorConfig checks

echo "Creating yarn-hash.nix"

YARN_HASH="$(prefetch-yarn-deps "$SOURCE_DIR/yarn.lock")"

YARN_HASH="$(nix hash to-sri --type sha256 "$YARN_HASH")"

printf '"%s"\n' "$YARN_HASH" > yarn-hash.nix

"sha256-e3rl/WuKXaUdeDEYvo1sSubuIwtBjkbguCYdAijwXOA="