在 SBT 中显示调试模式的时间戳? [英] Displaying timestamp for debug mode in SBT?

问题描述

我的sbt更新很慢，我想看看细节.

My sbt update is very slow, I'd like to see what happens in details.

所以，我有:

sbt --debug update > sbtupdate.log

问题是日志没有每一行的时间戳，如何启用?

The problem is that the log does not have timestamp for each line, how to enable it?

推荐答案

据我所知，仅使用 SBT 选项是不可能的.然而，这个问题提供了一个很好的解决方案.我将针对您的具体情况重新表述答案.以下所有内容均假设使用 Unix 操作系统，但应该可以将其调整为适用于 Windows 环境(如果使用 Cygwin 则很简单).

To my knowledge, it is not possible with only SBT options. However this question provides a good solution. I will rephrase the answer for your specific case. All the following supposes a Unix OS but it should be possible to adapt it for a Windows environment (and straightforward if using Cygwin).

首先，您需要一个名为 predate.sh 的脚本，其中包含:

First, you need a script called for example predate.sh that contains:

#!/bin/bash
while read line ; do
    echo "$(date): ${line}"
done

date 命令可以根据您的需要进行更改.然后，您必须使用 chmod u+x predate.sh 使该脚本可执行.

The date command can be changed following your needs. Then, you must make this script executable with chmod u+x predate.sh.

最后运行您的初始命令并将标准输出通过管道传输到我们的新脚本:

Finally run your initial command and pipe the standard output to our new script:

sbt --debug update | ./predate.sh > sbtupdate.log

请阅读链接的问题，其中包含有趣的其他回复.

Please read the linked question, it contains interesting other responses.

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