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Maybe somebody can add a extension to Mercurial that let's you use empty folders.....

Git and Mercurial both suffer from this "problem". Because manifests/trees must have contents (file hashes) to exist, you can't track an empty folder.

I suppose git's tree objects could point to the empty tree to record an empty folder, but most of the git code is comparing file blobs not trees.

Git's tree structure can certainly encode an empty directory, the problem is the index file can't.

In git, we solve this problem by sticking a .gitignore file in any directories we want to be part of the repo, but without the contents (cache folders, user-generated data destinations, etc.)

How do you get around this in mercurial?

It's usually .gitkeep from what I've seen. .gitignore usually lives in the repo root.

> How do you get around this in mercurial?

Same (with a .empty or .keep file).

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