Re: Bug report: Duplicate CRLF rewrite warnings on commit

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Adam Dinwoodie <adam@xxxxxxxxxxxxx> writes:

> If you use .gitattributes to enable CRLF->LF rewriting, then commit a
> file that would have its line endings rewritten, the "CRLF will be
> replaced by LF" warning is printed several times over; I'd expect it to
> be printed only once.
>
> There's a test case in t0020 -- "safecrlf: print warning only once" --
> that checks the warning is only printed once when using `git add`, but
> nothing that seems to check the same thing on `git commit`.  The
> unnecessary multiple warnings seem to have existed since at least v1.6.0
> (the warnings appear to have been added in v1.5.5 in 21e5ad5, but I
> couldn't get that to build on my current box), and I'm seeing them on my
> Cygwin box's build of the current next branch (d10caa2) and on my CentOS
> box's v2.8.1 release.

Torsten, I know you are not heavily invested in "commit" codepath,
but since you've been actively touching the CRLF area, I wonder
perhaps you might be interested in taking a look?

>
> Example:
>
>     $ git init
>     Initialized empty Git repository in /home/Adam/test/.git/
>
>     $ echo '* text' >.gitattributes
>
>     $ echo 'lf-terminated line' >text
>
>     $ git add .gitattributes text && git commit -m 'Initial commit'
>     [master (root-commit) 9a18d39] Initial commit
>      2 files changed, 2 insertions(+)
>      create mode 100644 .gitattributes
>      create mode 100644 text
>
>     $ echo 'crlf-terminated line' | unix2dos >text
>
>     $ git add text  # Single CRLF warning as expected
>     warning: CRLF will be replaced by LF in text.
>     The file will have its original line endings in your working directory.
>
>     $ git commit -m 'CRLF'  # Should have one CRLF warning, actually get two
>     warning: CRLF will be replaced by LF in text.
>     The file will have its original line endings in your working directory.
>     [master 4a8b1cb] CRLF
>     warning: CRLF will be replaced by LF in text.
>     The file will have its original line endings in your working directory.
>      1 file changed, 1 insertion(+), 1 deletion(-)
>
> (Tangentially: what's the accepted practice for submitting failing test
> scripts?  I've written a short test case to add to t0020 that shows this
> bugged behaviour, but I've got the vague impression from past emails
> that leading with the patch email adding the failing test case is not
> the expected way to do things on this list...)
>
> Cheers,
>
> Adam
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