英文:
Debug "go get" with dlv
问题
我想用dlv在模块感知模式下调试go get命令。假设我有一个位于/some/dir/mymod的Go模块。要在模块感知模式下使用go get，我需要执行以下步骤：
$ cd /some/dir/mymod
$ go get
但是，如果我想用dlv调试go命令本身，我需要执行以下步骤：
$ cd /usr/local/go/src/cmd/go
$ dlv debug -- get [这里是一些参数]
如你所见，为了使用dlv，我需要在要调试的模块中，但是为了使用go get，我需要在要更新的模块中。所以问题是：我如何使用dlv调试特定模块的go get命令？
英文:
I want to debug go get in module-aware mode with dlv. Say I have a go module at /some/dir/mymod. To use go get in module-aware mode I would have to do the following
$ cd /some/dir/mymod
$ go get
But if I want to debug the go command itself with dlv I would have to do the following
$ cd /usr/local/go/src/cmd/go
$ dlv debug -- get [some args here]
As you see in order to use dlv I need to be in the module that I want to debug, but in order to use go get I need to be in the module that I want to update. So the question is: how can I debug go get for a particular module with dlv?
答案1
得分: 0
根据https://github.com/go-delve/delve/blob/master/Documentation/usage/dlv_debug.md的说明，dlv debug命令会导致Delve“编译并开始调试当前目录中的主包，或者指定的包”（我强调了指定的包）。
所以你可以这样做：
cd /some/dir/mymod
dlv debug cmd/go -- get …
或者也可以这样：
cd /some/dir/mymod
dlv debug $(go env GOROOT)/src/cmd/go -- get …
英文:
According to https://github.com/go-delve/delve/blob/master/Documentation/usage/dlv_debug.md, dlv debug causes Delve to “Compile and begin debugging main package in current directory, or the package specified” (emphasis mine).
So you should be able to do:
cd /some/dir/mymod
dlv debug cmd/go -- get …
or perhaps
cd /some/dir/mymod
dlv debug $(go env GOROOT)/src/cmd/go -- get …
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