完善和修改README

install.sh

@@ -12,6 +12,7 @@ CONFIG_MERGE_DIR="$CONFIG_DIR/config.d"
 CONFIG_BASE_FILE="$CONFIG_MERGE_DIR/10-base.json"
 CONFIG_ROUTE_FILE="$CONFIG_MERGE_DIR/route.json"
 CONFIG_OUTBOUNDS_FILE="$CONFIG_MERGE_DIR/outbound.json"
+LEGACY_CONFIG_OUTBOUNDS_FILE="$CONFIG_MERGE_DIR/20-outbounds.json"
 WORK_DIR="/var/lib/sing-box"
 BINARY_PATH="/usr/local/bin/sing-box"
 SERVICE_NAME="singbox"
@@ -143,7 +144,7 @@ detect_v2bx() {
 }
 
 detect_existing_installation() {
-    if [[ -x "$BINARY_PATH" || -f "$SERVICE_FILE" || -f "$CONFIG_BASE_FILE" || -f "$CONFIG_ROUTE_FILE" || -f "$CONFIG_OUTBOUNDS_FILE" || -f "$CONFIG_DIR/config.json" ]]; then
+    if [[ -x "$BINARY_PATH" || -f "$SERVICE_FILE" || -f "$CONFIG_BASE_FILE" || -f "$CONFIG_ROUTE_FILE" || -f "$CONFIG_OUTBOUNDS_FILE" || -f "$LEGACY_CONFIG_OUTBOUNDS_FILE" || -f "$CONFIG_DIR/config.json" ]]; then
         EXISTING_INSTALL=1
     fi
 
@@ -415,6 +416,70 @@ write_default_outbound_config() {
 EOF
 }
 
+compact_default_outbound_config() {
+    cat <<'EOF' | tr -d '[:space:]'
+{
+  "outbounds": [
+    {
+      "type": "direct",
+      "tag": "direct"
+    }
+  ]
+}
+EOF
+}
+
+compact_file_contents() {
+    local path="$1"
+    tr -d '[:space:]' < "$path"
+}
+
+is_default_outbound_config() {
+    local path="$1"
+    if [[ ! -f "$path" ]]; then
+        return 1
+    fi
+    [[ "$(compact_file_contents "$path")" == "$(compact_default_outbound_config)" ]]
+}
+
+normalize_outbound_config_layout() {
+    if [[ -f "$LEGACY_CONFIG_OUTBOUNDS_FILE" && ! -f "$CONFIG_OUTBOUNDS_FILE" ]]; then
+        mv "$LEGACY_CONFIG_OUTBOUNDS_FILE" "$CONFIG_OUTBOUNDS_FILE"
+        echo -e "${YELLOW}Migrated legacy outbound config to ${CONFIG_OUTBOUNDS_FILE}${NC}"
+        return 0
+    fi
+
+    if [[ ! -f "$LEGACY_CONFIG_OUTBOUNDS_FILE" || ! -f "$CONFIG_OUTBOUNDS_FILE" ]]; then
+        return 0
+    fi
+
+    if [[ "$(compact_file_contents "$LEGACY_CONFIG_OUTBOUNDS_FILE")" == "$(compact_file_contents "$CONFIG_OUTBOUNDS_FILE")" ]]; then
+        backup_path_if_exists "$LEGACY_CONFIG_OUTBOUNDS_FILE"
+        rm -f "$LEGACY_CONFIG_OUTBOUNDS_FILE"
+        echo -e "${YELLOW}Removed duplicate legacy outbound config: ${LEGACY_CONFIG_OUTBOUNDS_FILE}${NC}"
+        return 0
+    fi
+
+    if is_default_outbound_config "$CONFIG_OUTBOUNDS_FILE"; then
+        backup_path_if_exists "$CONFIG_OUTBOUNDS_FILE"
+        rm -f "$CONFIG_OUTBOUNDS_FILE"
+        mv "$LEGACY_CONFIG_OUTBOUNDS_FILE" "$CONFIG_OUTBOUNDS_FILE"
+        echo -e "${YELLOW}Replaced installer default outbound config with legacy custom config from ${LEGACY_CONFIG_OUTBOUNDS_FILE}${NC}"
+        return 0
+    fi
+
+    if is_default_outbound_config "$LEGACY_CONFIG_OUTBOUNDS_FILE"; then
+        backup_path_if_exists "$LEGACY_CONFIG_OUTBOUNDS_FILE"
+        rm -f "$LEGACY_CONFIG_OUTBOUNDS_FILE"
+        echo -e "${YELLOW}Removed legacy default outbound config to avoid duplicate outbound tags.${NC}"
+        return 0
+    fi
+
+    echo -e "${RED}Both ${CONFIG_OUTBOUNDS_FILE} and ${LEGACY_CONFIG_OUTBOUNDS_FILE} exist and contain different outbound definitions.${NC}"
+    echo -e "${RED}Please merge them into a single config file before rerunning the installer to avoid duplicate outbound tags.${NC}"
+    exit 1
+}
+
 load_v2bx_defaults() {
     if [[ -z "$V2BX_CONFIG_PATH" ]] && ! find_v2bx_config; then
         return 1
@@ -798,6 +863,7 @@ echo -e "${YELLOW}Generating configuration...${NC}"
 backup_path_if_exists "$CONFIG_BASE_FILE"
 backup_path_if_exists "$CONFIG_ROUTE_FILE"
 backup_path_if_exists "$CONFIG_OUTBOUNDS_FILE"
+backup_path_if_exists "$LEGACY_CONFIG_OUTBOUNDS_FILE"
 backup_path_if_exists "$CONFIG_DIR/config.json"
 backup_path_if_exists "$SERVICE_FILE"
 
@@ -825,6 +891,8 @@ ${SERVICE_JSON}
 }
 EOF
 
+normalize_outbound_config_layout
+
 if [[ -f "$CONFIG_DIR/config.json" ]]; then
     rm -f "$CONFIG_ROUTE_FILE" "$CONFIG_OUTBOUNDS_FILE"
     if ! extract_legacy_config_sections "$CONFIG_DIR/config.json"; then