svn:externals problems during merge

let's consider following SVN stucture:

* /Project_1/trunk/1.txt

* /Project_2/trunk/dir1

* 开发者_如何学Go/Project_2/trunk/dir2

Let's assume following scenario which leeds to an error:

* You add svn:externals to /Project_2/trunk/dir1 and /Project_2/trunk/dir2 so it looks like this:

svn:externals ^/Project_1/trunk/1.txt 1.txt

* Branch Project_2/trunk to a new branch and make some changes there

* Merge changes from trunk to your branch

* Commit merged changes to branch <-- if failes!

The error message is something like this: Error: Cannot commit both '.....\1.txt' and

Error: '.....\1.txt' as they refer to the same URL

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The real answer is: Never, ever do svn:externals to versioned folder and/or single file. Bind only to folders and place them insinde new, unversioned folders