Re: [PATCH] bisect: avoid pipes to better catch "git rev-list" errors

> When doing:
> 
> eval "git rev-list --bisect-vars ..." | {
>         while read line
>         do
>                 echo "$line &&"
>         done
>         echo ':'
> }
> 
> the result code comes from the last "echo ':'", not from running
> "git rev-list --bisect-vars ...".
> 
> This means that we may miss errors from "git rev-list".
> 
> To fix that, this patch gets rid of the pipes by redirecting the
> output of "git rev-list" into a file, and then reading from this
> file.
> 
> Signed-off-by: Christian Couder <chriscool@tuxfamily.org>