hermes-agent/nix/tui.nix
2026-04-10 00:46:37 -04:00

70 lines
2 KiB
Nix

# nix/tui.nix — Hermes TUI (Ink/React) compiled with tsc and bundled
{ pkgs, npm-lockfile-fix, ... }:
let
src = ../ui-tui;
npmDeps = pkgs.fetchNpmDeps {
inherit src;
hash = "sha256-tlQ43Dv5S2p5Aw6ChSTvPXcI5/kkXHoeZsTlSLm75eM=";
};
packageJson = builtins.fromJSON (builtins.readFile (src + "/package.json"));
version = packageJson.version;
npmLockHash = builtins.hashString "sha256" (builtins.readFile ../ui-tui/package-lock.json);
in
pkgs.buildNpmPackage {
pname = "hermes-tui";
inherit src npmDeps version;
doCheck = false;
installPhase = ''
runHook preInstall
mkdir -p $out/lib/hermes-tui
cp -r dist $out/lib/hermes-tui/dist
# runtime node_modules
cp -r node_modules $out/lib/hermes-tui/node_modules
# package.json needed for "type": "module" resolution
cp package.json $out/lib/hermes-tui/
runHook postInstall
'';
nativeBuildInputs = [
(pkgs.writeShellScriptBin "update_tui_lockfile" ''
set -euo pipefail
# get root of repo
REPO_ROOT=$(git rev-parse --show-toplevel)
# cd into ui-tui and reinstall
cd "$REPO_ROOT/ui-tui"
rm -rf node_modules/
npm install --package-lock-only
${pkgs.lib.getExe' npm-lockfile-fix "npm-lockfile-fix"} ./package-lock.json
# compute the new hash
sed -i "s/hash = \"[^\"]*\";/hash = \"\";/" "$REPO_ROOT/nix/tui.nix"
NIX_OUTPUT=$(nix build .#tui 2>&1 || true)
NEW_HASH=$(echo "$NIX_OUTPUT" | grep 'got:' | awk '{print $2}')
echo got new hash $NEW_HASH
sed -i "s|hash = \"[^\"]*\";|hash = \"$NEW_HASH\";|" "$REPO_ROOT/nix/tui.nix"
echo "Updated npm hash in $NIX_FILE to $NEW_HASH"
'')
];
passthru.devShellHook = ''
STAMP=".nix-stamps/hermes-tui"
STAMP_VALUE="${npmLockHash}"
if [ ! -f "$STAMP" ] || [ "$(cat "$STAMP")" != "$STAMP_VALUE" ]; then
echo "hermes-tui: installing npm dependencies..."
cd ui-tui && npm install --silent --no-fund --no-audit 2>/dev/null && cd ..
mkdir -p .nix-stamps
echo "$STAMP_VALUE" > "$STAMP"
fi
'';
}