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+#!/bin/bash
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+
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+# 检查是否以root权限运行
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+if [ "$EUID" -ne 0 ]; then
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+ echo "错误：请以root权限运行此脚本"
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+ exit 1
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+fi
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+
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+# 重新挂载/usr为可写模式
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+echo "重新挂载/usr为读写模式..."
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+sudo mount -o remount,rw /usr
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+
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+# 检查挂载是否成功
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+if [ $? -ne 0 ]; then
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+ echo "错误：无法重新挂载/usr为读写模式"
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+ exit 1
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+fi
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+
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+# 定义文件路径和目标替换内容
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+FILE_PATH="/usr/lib/python3/dist-packages/middlewared/plugins/catalog/utils.py"
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+OLD_URL="https://github.com/truenas/apps"
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+NEW_URL="https://git.seembox.com/root/apps"
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+
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+# 检查文件是否存在
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+if [ ! -f "$FILE_PATH" ]; then
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+ echo "错误：文件 $FILE_PATH 不存在"
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+ sudo mount -o remount,ro /usr 2>/dev/null
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+ exit 1
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+fi
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+
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+# 备份原始文件
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+BACKUP_FILE="${FILE_PATH}.backup.$(date +%Y%m%d_%H%M%S)"
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+echo "创建备份文件: $BACKUP_FILE"
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+cp "$FILE_PATH" "$BACKUP_FILE"
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+
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+# 执行替换操作
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+echo "正在替换文件内容..."
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+sed -i "s|${OLD_URL}|${NEW_URL}|g" "$FILE_PATH"
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+
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+# 检查替换是否成功
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+if [ $? -eq 0 ]; then
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+ echo "替换成功完成！"
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+ echo "已将所有的 '${OLD_URL}' 替换为 '${NEW_URL}'"
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+
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+ # 验证替换结果
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+ echo "验证替换结果："
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+ grep -n "$NEW_URL" "$FILE_PATH"
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+
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+ # 重新挂载为只读模式（可选）
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+ # sudo mount -o remount,ro /usr
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+else
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+ echo "错误：替换操作失败"
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+ # 恢复备份
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+ mv "$BACKUP_FILE" "$FILE_PATH"
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+ sudo mount -o remount,ro /usr 2>/dev/null
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+ exit 1
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+fi
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+
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+echo "操作完成！"
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