Re: [Fix v1] builtin/ls-files.c: add error check on lstat for modified files

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On 17/02/2019 16:34, randall.s.becker@xxxxxxxxxx wrote:
> From: "Randall S. Becker" <rsbecker@xxxxxxxxxxxxx>
> 
> The result from lstat, checking whether a file has been deleted, is now
> included priot to calling id_modified when showing modified files. Prior

s/priot/prior/; s/id_modified/ie_modified/

> to this fix, it is possible that files that were deleted could show up
> as being modified because the lstat error was unchecked.
> 
> Reported-by: Joe Ranieri <jranieri@xxxxxxxxxxxxxx>
> Signed-off-by: Randall S. Becker <rsbecker@xxxxxxxxxxxxx>
> ---
>  builtin/ls-files.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/builtin/ls-files.c b/builtin/ls-files.c
> index 29a8762d4..fc21f4795 100644
> --- a/builtin/ls-files.c
> +++ b/builtin/ls-files.c
> @@ -348,7 +348,7 @@ static void show_files(struct repository *repo, struct dir_struct *dir)
>  			err = lstat(fullname.buf, &st);
>  			if (show_deleted && err)

To be pedantic, this should probably check for (err == ENOENT), since
lstat() can fail for several reasons which don't imply that the path
has been deleted. However, that is unlikely.

No reason to include such a check in this patch, of course.

ATB,
Ramsay Jones

>  				show_ce(repo, dir, ce, fullname.buf, tag_removed);
> -			if (show_modified && ie_modified(repo->index, ce, &st, 0))
> +			if (show_modified && !err && ie_modified(repo->index, ce, &st, 0))
>  				show_ce(repo, dir, ce, fullname.buf, tag_modified);
>  		}
>  	}
> 



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