编程的MSBuild递归复制使用通配符 [英] Programmatic MSBuild Recursive Copy with wildcards

问题描述

我创建一个MSBuild V4的任务，恰好需要调用拷贝任务递归复制一些文件（不压扁在目标目录结构）。

I am creating an MSBuild v4 task that happens to need to call the Copy task to recursively copy some files (without flattening the directory structure at the destination).

我想出了：

var copy = new Microsoft.Build.Tasks.Copy
{
    BuildEngine = this.BuildEngine,
    SourceFiles = new ITaskItem[] { new TaskItem(@"C:\source\**\*.foo") },
    DestinationFolder = new TaskItem(@"c:\dest\\")
};
copy.Execute();

但我得到一个错误无法复制C：\source\ ** \ *包含.foo到c：\dest\ * - 路径中具有非法字符

but am getting an error 'Could not copy C:\source\**\*.foo to c:\dest\* - Illegal characters in path'

似乎没有成为务实调用多联机帮助，并已制定一个空白。任何想法？

There doesn't seem to be much online help for pragmatic invocation, and have drawn a blank. Any ideas?

感谢

乔恩

推荐答案

它看起来像复制任务没有递归的内在理解;下面的代码会导致复制任务，一旦每个文件级别上调用，这是由MSBuild的亚军处理。

It looks like the Copy task doesn't have an intrinsic understanding of recursion; the following code would cause the Copy task to be invoked once per file level, and this is handled by the MSBuild runner.

<ItemGroup>
  <x Include="c:\source\**\*.foo" />
</ItemGroup>
<Copy SourceFiles="@(x)" DestinationFolder="c:\dest\%(RecursiveDir)" />

然而，由于复制任务似乎对待来源档案和DestinationFiles作为关联数组（每种类型ITaskItem的[]），我们只是进行了递归下降并手动建立这两个数组，execing之前

However, since the Copy task seems to treat SourceFiles and DestinationFiles as an associative array (each of type ITaskItem[]), we just performed a recursive descent and built up these two arrays manually, before execing it

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