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Re: .gitattributes override behavior (possible bug, or documentation bug)

From
Jeff King <peff@peff.net>
Date
Mar 21, 2018, 06:52 UTC
Message-ID
<20180321065212.GC16784@sigill.intra.peff.net>
In-Reply-To
<CAHnyXxRsqR3A0FpHJwnfOWo29WNx05qWSXfxvmwPv1TUdqm0aQ@mail.gmail.com>
On Tue, Mar 20, 2018 at 11:22:02PM -0400, Dakota Hawkins wrote:
Show 19 quoted lines
> Thinking about this a little more, I'm now attracted to the idea that
> its .gitignore that's weird.
> 
> As I understand it, .gitignore stops recursion when there's a
> directory match (`somedir/`) but also explicitly allows nested
> .gitnore file _as well as_ exclusion (`!*.txt`).
> 
> So, in the following (contrived) example, the user doesn't get what they want:
> 
>     repo/
>     |- .git/
>     |- .gitignore               # /ignore-most/
>     |- ignore-most/
>     |  |- .gitignore            # !*.txt
>     |  |- please_ignore.png
>     |  |- dont_ignore_me.txt
> 
> `repo/ignore-most/dont_ignore_me.txt` is still ignored, despite what
> seems like the obvious intention of the user.

Right, I think this gets back to Duy's other email. We're not really recursively applying the pattern, it's just that we don't bother descending into ignore areas at all.

Show 6 quoted lines
> Maybe a unified "best-practices" would first-and-foremost recommend
> against matching directories at all (makes sense, git doesn't manage
> directories). In the above example, changing `/ignore-most/` to
> `/ignore-most/*` has the "desired" effect.
> 
> What do you think?

I think that ignoring all of /ignore-most/ is much more efficient, since we don't have to enumerate the paths inside it at all (which is why the current behavior works as it does).

-Peff
Previous: Dakota HawkinsNext: Dakota Hawkins
Message 18 of 28 in “.gitattributes override behavior (possible bug, or documentation bug)”
  1. Dakota HawkinsMar 20, 2018
  2. Jeff KingMar 20, 2018
  3. Dakota HawkinsMar 20, 2018
  4. Dakota HawkinsMar 20, 2018
  5. Jeff KingMar 20, 2018
  6. Jeff KingMar 20, 2018
  7. doc/gitattributes: mention non-recursive behaviorJeff King, Mar 20, 2018
  8. Dakota HawkinsMar 20, 2018
  9. Duy NguyenMar 20, 2018
  10. Jeff KingMar 21, 2018
  11. Duy NguyenMar 21, 2018
  12. Jeff KingMar 23, 2018
  13. Dakota HawkinsMar 20, 2018
  14. Jeff KingMar 20, 2018
  15. Dakota HawkinsMar 20, 2018
  16. Duy NguyenMar 20, 2018
  17. Dakota HawkinsMar 21, 2018
  18. Jeff KingMar 21, 2018
  19. Dakota HawkinsMar 21, 2018
  20. Dakota HawkinsMar 21, 2018
  21. Jeff KingMar 21, 2018
  22. Dakota HawkinsMar 21, 2018
  23. Jeff KingMar 21, 2018
  24. Junio C HamanoMar 21, 2018
  25. Duy NguyenMar 21, 2018
  26. Junio C HamanoMar 20, 2018
  27. Dakota HawkinsMar 20, 2018
  28. Jeff KingMar 20, 2018

Read the whole thread, see it on lore, or plain text.

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