[Merge] lp:~evfool/unity-lens-files/lp878052 into lp:unity-lens-files

[Mikkel Kamstrup Erlandsen]

Review: Needs Fixing

Recursively stat()ing all parent directories all the way up to the root is a no-go. This will be a massive IO overhead.

I'd rather see a heuristic that simply checks for '/.' patterns in the ath string. This wont work for non-Unix like file systems, but it will have negligible impact on search performance.
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https://code.launchpad.net/~evfool/unity-lens-files/lp878052/+merge/95735
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