feat: 一条 curl 自动装/升（未装安装、已装升级）

scripts/online-upgrade.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+# 在线一键增量升级入口（给已安装的 cpxy 调用）
+# 用法: sudo cpxy upgrade
+#       sudo cpxy upgrade --ui-only
+#       sudo cpxy upgrade --force-binary
+#       sudo cpxy upgrade --verify
+set -euo pipefail
+
+BASE="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+# 若作为独立脚本在 /opt/.../scripts/online-upgrade.sh
+if [[ -f "$BASE/etc/settings.conf" ]]; then
+  :
+elif [[ -f "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/../etc/settings.conf" ]]; then
+  BASE="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+fi
+
+GITEA_BASE="${GITEA_BASE:-https://gitea.chickliu.fun}"
+REPO_OWNER="${REPO_OWNER:-Hermes}"
+REPO_NAME="${REPO_NAME:-cellular-proxy}"
+BRANCH="${BRANCH:-main}"
+INSTALL_URL="${CELLULAR_PROXY_INSTALL_URL:-${GITEA_BASE}/${REPO_OWNER}/${REPO_NAME}/raw/branch/${BRANCH}/install.sh}"
+
+if [[ "${EUID:-$(id -u)}" -ne 0 ]]; then
+  echo "请用 root: sudo cpxy upgrade $*" >&2
+  exit 1
+fi
+
+# 从 settings 读 INSTALL_DIR
+if [[ -f "${CONFIG_FILE:-$BASE/etc/settings.conf}" ]]; then
+  # shellcheck disable=SC1090
+  set -a
+  # shellcheck disable=SC1090
+  source "${CONFIG_FILE:-$BASE/etc/settings.conf}"
+  set +a
+fi
+INSTALL_DIR="${INSTALL_DIR:-$BASE}"
+export INSTALL_DIR
+
+args=(--upgrade)
+# 透传用户参数（已是 upgrade 子参数）
+while [[ $# -gt 0 ]]; do
+  args+=("$1")
+  shift
+done
+
+echo "[$(date '+%F %T')] INFO  一键升级: $INSTALL_URL ${args[*]}" >&2
+tmp="$(mktemp)"
+trap 'rm -f "$tmp"' EXIT
+
+if command -v curl >/dev/null 2>&1; then
+  curl -fsSL --retry 3 --connect-timeout 20 -o "$tmp" "$INSTALL_URL"
+elif command -v wget >/dev/null 2>&1; then
+  wget -q -O "$tmp" "$INSTALL_URL"
+else
+  echo "需要 curl 或 wget" >&2
+  exit 1
+fi
+
+chmod +x "$tmp"
+# 把 install-dir 固定到当前实例
+bash "$tmp" --install-dir "$INSTALL_DIR" "${args[@]}"