Bazel是否有冗长的日志记录? [英] Is there verbose logging for Bazel?

问题描述

我研究了Bazel源代码，似乎没有太多日志记录.有没有一种方法可以启用某种详细模式，以便我可以看到bazel在做什么?

I dig around Bazel source code, there aren't much logging it seems. Is there a way to enable some kind of verbose mode so I can see what bazel is doing?

似乎还有各种各样的调试选项，但是我似乎还无法理解，如果我想调试说java_library我应该怎么做?

Also there seems to be various kind of debug options but I cant seem to comprehend yet, if I want to debug say java_library how should I do it?

推荐答案

调试Bazel的功能以及原因:

To debug what Bazel does and why:

• 要列出Bazel执行的命令，请使用-[ no]子命令"标志.
• 要请求仅列出失败的命令，请使用- [no] verbose_failures标志.
• 要请求撰写有关版本的说明，请使用- -explain"标志.使用-[no] verbose_explanations"调整详细程度.

• To list the commands Bazel executes, use the "--[no]subcommands" flag.
• To request listing just the failing commands, use the "--[no]verbose_failures" flag.
• To request writing an explanation of the build, use the "--explain" flag. Use "--[no]verbose_explanations" to adjust verbosity.

要调试使用Bazel构建的程序，请执行以下操作:

To debug programs you built with Bazel:

• 您无法调试java_library规则
• 您可以调试java_binary规则.使用"-c dbg"进行构建(请参见"--compilation_mode"标志)，然后使用bazel-bin/path/to/java/program --debug=<port>
运行二进制文件

• You cannot debug java_library rules
• You can debug java_binary rules. Build with "-c dbg" (see the "--compilation_mode" flag), then run the binary with bazel-bin/path/to/java/program --debug=<port>

添加了有关--verbose_failures和--verbose_explanations

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