GNU bug report logs - #32457
26.1.50; automatically set indent-tabs-mode from .gitattributes

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From: Robert Pluim <rpluim <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Tom Tromey <tom <at> tromey.com>, 32457 <at> debbugs.gnu.org
Subject: bug#32457: 26.1.50; automatically set indent-tabs-mode from .gitattributes
Date: Wed, 18 May 2022 15:31:51 +0200

>>>>> On Wed, 18 May 2022 14:18:09 +0200, Lars Ingebrigtsen <larsi <at> gnus.org> said:

    Lars> Tom Tromey <tom <at> tromey.com> writes:
    >> git can be configured to complain about indenting with tabs
    >> by using "whitespace=tab-in-indent" in .gitattributes.
    >> 
    >> It would be nice if Emacs automatically detected this and set
    >> indent-tabs-mode to nil.
    >> 
    >> git attributes can be queried using "git check-attr", for instance:
    >> 
    >> $ git check-attr whitespace -- src/librustc_codegen_llvm/debuginfo/metadata.rs
    >> src/librustc_codegen_llvm/debuginfo/metadata.rs: whitespace:
    >> tab-in-indent,trailing-space,tabwidth=4

    Lars> (I'm going through old bug reports that unfortunately weren't resolved
    Lars> at the time.)

    Lars> I don't think this would be an appropriate feature for Emacs core -- it
    Lars> would be too surprising if Emacs was setting `indent-tabs-mode' based on
    Lars> external factors like this (and I'm sure there's a lot of other hints it
    Lars> could be taking from other VCs).

    Lars> It does sound like it could be a useful ELPA package, though, but I'm
    Lars> closing this wishlist item in the Emacs bug tracker.

.dir-locals.el supports 'eval', so anyone who wants this could put it there.

Robert
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