build

#!/usr/bin/env bash

if [[ -z "${VALIDATE_NIX:-}" ]]; then
	exec env VALIDATE_NIX=1 nix develop -c "$0" "$@"
fi

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

unset LD
unset SDKROOT

# Check for --update-deps flag
update_deps=false
remaining_args=()
for arg in "$@"; do
	if [[ "$arg" == "--update-deps" ]]; then
		update_deps=true
	else
		remaining_args+=("$arg")
	fi
done
set -- "${remaining_args[@]+"${remaining_args[@]}"}"

# Update Zig deps hash if requested or if build.zig.zon is newer than flake.nix
if [[ "$update_deps" == true ]]; then
	echo "=== Updating Zig dependencies hash ==="
	"$SCRIPT_DIR/scripts/update-zig-deps-hash.sh"
elif [[ -f "$SCRIPT_DIR/build.zig.zon" && -f "$SCRIPT_DIR/flake.nix" ]]; then
	if [[ "$SCRIPT_DIR/build.zig.zon" -nt "$SCRIPT_DIR/flake.nix" ]]; then
		echo "=== build.zig.zon is newer than flake.nix, checking deps hash ==="
		"$SCRIPT_DIR/scripts/update-zig-deps-hash.sh"
		# Touch flake.nix to update mtime even if hash unchanged
		touch "$SCRIPT_DIR/flake.nix"
	fi
fi

is_debug=false
case "${DEBUG:-}" in
	1|true|TRUE|True|yes|YES|on|ON)
		is_debug=true
		;;
	0|false|FALSE|False|no|NO|off|OFF|"")
		is_debug=false
		;;
	*)
		is_debug=false
		;;
esac

zig_args=("$@")
has_optimize=false
for arg in "${zig_args[@]}"; do
	if [[ "$arg" == -Doptimize=* ]]; then
		has_optimize=true
		break
	fi
done

if [[ "$is_debug" == false && "$has_optimize" == false ]]; then
	zig_args+=("-Doptimize=ReleaseFast")
fi

echo "=== Running tests ==="
./test

echo "=== Building ==="
zig build "${zig_args[@]}"