Add install scripts and Clash core auto-download

2026-02-04 10:11:28 +08:00 · 2026-01-14 12:25:38 +08:00
parent 9a27407b12
commit 9e4eb7f76c
5 changed files with 294 additions and 55 deletions
--- a/scripts/resolve_clash.sh
+++ b/scripts/resolve_clash.sh
@ -0,0 +1,118 @@
+#!/bin/bash
+
+resolve_clash_arch() {
+	local raw_arch="$1"
+	case "$raw_arch" in
+		x86_64|amd64)
+			echo "linux-amd64"
+			;;
+		aarch64|arm64)
+			echo "linux-arm64"
+			;;
+		armv7*|armv7l)
+			echo "linux-armv7"
+			;;
+		*)
+			echo "linux-${raw_arch}"
+			;;
+	esac
+}
+
+download_clash_bin() {
+	local server_dir="$1"
+	local detected_arch="$2"
+	local resolved_arch
+	local download_url
+	local download_target
+	local archive_file
+
+	resolved_arch=$(resolve_clash_arch "$detected_arch")
+	if [ -z "$resolved_arch" ]; then
+		echo -e "\033[33m[WARN] 无法识别 CPU 架构，跳过 Clash 内核自动下载\033[0m"
+		return 1
+	fi
+
+	if [ "${CLASH_AUTO_DOWNLOAD:-auto}" = "false" ]; then
+		return 1
+	fi
+
+	download_url="${CLASH_DOWNLOAD_URL_TEMPLATE:-https://github.com/Dreamacro/clash/releases/latest/download/clash-{arch}.gz}"
+	if [ -z "$download_url" ]; then
+		echo -e "\033[33m[WARN] 未设置 CLASH_DOWNLOAD_URL_TEMPLATE，跳过 Clash 内核自动下载\033[0m"
+		return 1
+	fi
+
+	download_url="${download_url//\{arch\}/${resolved_arch}}"
+	download_target="${server_dir}/bin/clash-${resolved_arch}"
+	archive_file="${server_dir}/temp/clash-${resolved_arch}.download"
+
+	mkdir -p "${server_dir}/bin" "${server_dir}/temp"
+
+	if command -v curl >/dev/null 2>&1; then
+		curl -L -sS -o "${archive_file}" "${download_url}"
+	elif command -v wget >/dev/null 2>&1; then
+		wget -q -O "${archive_file}" "${download_url}"
+	else
+		echo -e "\033[33m[WARN] 未找到 curl 或 wget，无法自动下载 Clash 内核\033[0m"
+		return 1
+	fi
+
+	if [ -f "${archive_file}" ]; then
+		if gzip -t "${archive_file}" >/dev/null 2>&1; then
+			gzip -dc "${archive_file}" >"${download_target}"
+		else
+			mv "${archive_file}" "${download_target}"
+		fi
+		chmod +x "${download_target}"
+		echo "${download_target}"
+		return 0
+	fi
+
+	echo -e "\033[33m[WARN] Clash 内核自动下载失败\033[0m"
+	return 1
+}
+
+resolve_clash_bin() {
+	local server_dir="$1"
+	local detected_arch="$2"
+	local resolved_arch
+	local candidates=()
+	local candidate
+	local downloaded_bin
+
+	if [ -n "${CLASH_BIN:-}" ]; then
+		if [ -x "$CLASH_BIN" ]; then
+			echo "$CLASH_BIN"
+			return 0
+		fi
+		echo -e "\033[31m[ERROR] CLASH_BIN 指定的文件不可执行: $CLASH_BIN\033[0m"
+		return 1
+	fi
+
+	resolved_arch=$(resolve_clash_arch "$detected_arch")
+	if [ -n "$resolved_arch" ]; then
+		candidates+=("${server_dir}/bin/clash-${resolved_arch}")
+	fi
+	candidates+=(
+		"${server_dir}/bin/clash-${detected_arch}"
+		"${server_dir}/bin/clash"
+	)
+
+	for candidate in "${candidates[@]}"; do
+		if [ -x "$candidate" ]; then
+			echo "$candidate"
+			return 0
+		fi
+	done
+
+	if downloaded_bin=$(download_clash_bin "$server_dir" "$detected_arch"); then
+		echo "$downloaded_bin"
+		return 0
+	fi
+
+	echo -e "\033[31m\n[ERROR] 未找到可用的 Clash 二进制。\033[0m"
+	echo -e "请将对应架构的二进制放入: $server_dir/bin/"
+	echo -e "可用命名示例: clash-${resolved_arch} 或 clash-${detected_arch}"
+	echo -e "或通过 CLASH_BIN 指定自定义路径。"
+	return 1
+}