(not a stakeholder; just curious)
Does it help that Git supports the `-w` / `--ignore-all-space` flag to
ignore whitespace changes? It works with `git diff`, `git blame`, etc.
GitHub also supports it — compare e.g.
https://github.com/WebKit/WebKit/commit/2ca55a3e19df60127dec09f3af22e4d3ab2943ec
vs.
https://github.com/WebKit/WebKit/commit/2ca55a3e19df60127dec09f3af22e4d3ab2943ec?w=1
On Wed, Apr 12, 2023 at 9:35 PM Chris Dumez via webkit-dev <
webkit-dev@lists.webkit.org> wrote:
>
>
> On Apr 12, 2023, at 10:23 AM, Ryosuke Niwa via webkit-dev <
> webkit-dev@lists.webkit.org> wrote:
>
> Yeah, enforcing that new or otherwise modified lines don’t have trailing
> whitespaces would be good.
>
>
> Yes, I wouldn’t mind that either.
>
> However, https://commits.webkit.org/262879@main has just landed and if
> you look at the changes to Document.cpp, it is mostly spacing changes :(
> It makes it harder to review or to identify meaningful changes in a patch
> after landing. It also pollutes git blame for no great reason.
>
>
> - R. Niwa
>
> On Apr 12, 2023, at 10:20 AM, Yusuke Suzuki wrote:
>
> I agree that we should not do it because it pollutes change history of
> files, git-blame results, and review-diff in PR.
> But at the same time, I think there is no reason to add a new trailing
> whitespace via a new commit.
> It is nice if we can enforce this rule only for newly added code (via
> style-checker) not to add new trailing spaces.
>
> -Yusuke
>
> On Apr 12, 2023, at 10:08 AM, Ryosuke Niwa via webkit-dev <
> webkit-dev@lists.webkit.org> wrote:
>
> WebKi proejctt’s long term policy has been to not do this:
> https://lists.webkit.org/pipermail/webkit-dev/2009-August/009665.html
>
> I don’t think we should change that.
>
> - R. Niwa
>
> On Apr 12, 2023, at 9:17 AM, Chris Dumez via webkit-dev <
> webkit-dev@lists.webkit.org> wrote:
>
> I am against this because it adds a lot of noise to patches I am trying to
> review.
> I have seen PRs where white space changes account for more than half the
> patch I am trying to review.
>
> Dropping trailing spaces on the lines you’re modifying is OK but in the
> whole file is too noisy IMO.
>
> Chris.
>
> On Apr 12, 2023, at 1:22 AM, Anne van Kesteren via webkit-dev <
> webkit-dev@lists.webkit.org> wrote:
>
> To reduce the overhead of switching between projects with different
> whitespace requirements, I would like to suggest we start being
> lenient when trailing whitespace is removed. In particular when a file
> is being changed to fix a bug.
>
> I could see going even further and enforcing this via the style
> checker, if there is appetite for that.
>
> Thanks for considering!
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