拆分代码；约束cli命令

cli/build.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+if [ -n "${PYTHON:-}" ]; then
+  PYTHON_BIN="$PYTHON"
+elif command -v python >/dev/null 2>&1; then
+  PYTHON_BIN="python"
+else
+  PYTHON_BIN="python3"
+fi
+
+cd "$ROOT"
+
+"$PYTHON_BIN" -m PyInstaller --noconfirm --clean tjwater.spec
+
+BIN_PATH="$ROOT/dist/"
+if [ ! -x "$BIN_PATH" ]; then
+  echo "build succeeded but executable was not created: $BIN_PATH" >&2
+  exit 1
+fi
+
+"$BIN_PATH" help >/dev/null
+
+echo "built executable: $BIN_PATH"