A Claude Code switcher between Anthropic coding subscriptions and Z.ai coding plan :D

switch-claude.sh

#!/bin/bash
set -e

usage() {
  echo "Usage:"
  echo "  switch-claude [-y] {pro|zai}"
  echo "  switch-claude status"
}

AUTO_YES=false

while getopts "y" opt; do
  case "$opt" in
    y) AUTO_YES=true ;;
    *) usage; exit 1 ;;
  esac
done

shift $((OPTIND - 1))

CMD="${1:-}"

# ---- status command ---------------------------------------------------------
if [ "$CMD" = "status" ]; then
  SETTINGS_LINK="$HOME/.claude/settings.json"

  if [ ! -e "$SETTINGS_LINK" ]; then
    echo "unknown (no ~/.claude/settings.json found)"
    exit 0
  fi

  # Try to resolve symlink target (works on macOS)
  TARGET_PATH="$(readlink "$SETTINGS_LINK" 2>/dev/null || true)"

  # If it's not a symlink, readlink returns empty
  if [ -n "$TARGET_PATH" ]; then
    case "$TARGET_PATH" in
      *settings.zai.json) echo "zai"; exit 0 ;;
      *settings.pro.json) echo "pro"; exit 0 ;;
    esac
  fi

  # Fallback: infer from file content (no jq needed)
  # If ANTHROPIC_BASE_URL is present and has a non-empty string value -> zai
  if grep -Eq '"ANTHROPIC_BASE_URL"[[:space:]]*:[[:space:]]*"[^"]+"' "$SETTINGS_LINK"; then
    echo "zai"
  else
    echo "pro"
  fi

  exit 0
fi

# ---- switch command ---------------------------------------------------------
TARGET="$CMD"

case "$TARGET" in
  pro)
    TARGET_FILE="$HOME/.claude/settings.pro.json"
    LABEL="Claude Pro"
    ;;
  zai)
    TARGET_FILE="$HOME/.claude/settings.zai.json"
    LABEL="Z.ai"
    ;;
  *)
    usage
    exit 1
    ;;
esac

if [ ! -f "$TARGET_FILE" ]; then
  echo "Error: $TARGET_FILE does not exist"
  exit 1
fi

if [ "$AUTO_YES" = false ]; then
  echo "You are about to switch Claude Code to: $LABEL"
  echo "This will update ~/.claude/settings.json"
  printf "Continue? [y/N] "
  read -r ANSWER

  case "$ANSWER" in
    y|Y|yes|YES) ;;
    *)
      echo "Aborted"
      exit 0
      ;;
  esac
fi

ln -sf "$TARGET_FILE" "$HOME/.claude/settings.json"
echo "Switched to $LABEL settings"

# Reminder if Claude Code appears to be running (restart required)
if pgrep -f '(^|/)(claude|Claude Code)( |$)' >/dev/null 2>&1; then
  echo "Note: Claude Code appears to be running. Restart required for changes to take effect."
fi