Files
clash-for-linux/scripts/config_utils.sh
T

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#!/usr/bin/env bash
set -euo pipefail
PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
if ! declare -f ui_info >/dev/null 2>&1; then
# shellcheck source=scripts/ui.sh
source "$PROJECT_DIR/scripts/ui.sh"
fi
trim_value() {
local value="$1"
echo "$value" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//'
}
# =========================
# 安全写入:避免重复块
# =========================
remove_block_if_exists() {
local file="$1"
local marker="$2"
[ -f "$file" ] || return 0
# 删除已有 block(从 marker 到文件结束)
if grep -q "$marker" "$file"; then
sed -i "/$marker/,\$d" "$file"
fi
}
# =========================
# TUN 配置
# =========================
apply_tun_config() {
local config_path="$1"
local enable="${CLASH_TUN_ENABLE:-false}"
[ "$enable" = "true" ] || return 0
remove_block_if_exists "$config_path" "# ==== TUN CONFIG START ===="
local stack="${CLASH_TUN_STACK:-system}"
local auto_route="${CLASH_TUN_AUTO_ROUTE:-true}"
local auto_redirect="${CLASH_TUN_AUTO_REDIRECT:-false}"
local strict_route="${CLASH_TUN_STRICT_ROUTE:-false}"
local device="${CLASH_TUN_DEVICE:-}"
local mtu="${CLASH_TUN_MTU:-}"
local dns_hijack="${CLASH_TUN_DNS_HIJACK:-}"
{
echo ""
echo "# ==== TUN CONFIG START ===="
echo "tun:"
echo " enable: true"
echo " stack: ${stack}"
echo " auto-route: ${auto_route}"
echo " auto-redirect: ${auto_redirect}"
echo " strict-route: ${strict_route}"
[ -n "$device" ] && echo " device: ${device}"
[ -n "$mtu" ] && echo " mtu: ${mtu}"
if [ -n "$dns_hijack" ]; then
echo " dns-hijack:"
IFS=',' read -r -a hijacks <<< "$dns_hijack"
for item in "${hijacks[@]}"; do
item="$(trim_value "$item")"
[ -n "$item" ] && echo " - ${item}"
done
fi
echo "# ==== TUN CONFIG END ===="
} >> "$config_path"
}
# =========================
# MIXIN 配置
# =========================
apply_mixin_config() {
local config_path="$1"
local base_dir="$2"
local mixin_dir="${CLASH_MIXIN_DIR:-$base_dir/config/mixin.d}"
local mixin_paths=()
remove_block_if_exists "$config_path" "# ==== MIXIN CONFIG START ===="
# 用户手动指定优先
if [ -n "${CLASH_MIXIN_PATHS:-}" ]; then
IFS=',' read -r -a mixin_paths <<< "$CLASH_MIXIN_PATHS"
fi
# 自动扫描目录(补充)
if [ -d "$mixin_dir" ]; then
while IFS= read -r -d '' file; do
mixin_paths+=("$file")
done < <(
find "$mixin_dir" -maxdepth 1 -type f \( -name '*.yml' -o -name '*.yaml' \) \
-print0 | sort -z
)
fi
# 去重
local uniq_paths=()
local seen=""
for path in "${mixin_paths[@]}"; do
path="$(trim_value "$path")"
[ -z "$path" ] && continue
# 相对路径转绝对
if [ "${path:0:1}" != "/" ]; then
path="$base_dir/$path"
fi
if [[ "$seen" != *"|$path|"* ]]; then
uniq_paths+=("$path")
seen="${seen}|$path|"
fi
done
# 写入
{
echo ""
echo "# ==== MIXIN CONFIG START ===="
for path in "${uniq_paths[@]}"; do
if [ -f "$path" ]; then
echo ""
echo "# ---- mixin: ${path} ----"
cat "$path"
else
ui_warn "Mixin not found: $path" >&2
fi
done
echo "# ==== MIXIN CONFIG END ===="
} >> "$config_path"
}