[U-Boot] [PATCH] buildman: Avoid hanging when the config changes

[Simon Glass]

On 17 September 2018 at 22:55, Simon Glass <sjg at chromium.org> wrote:
> Something has changed in the last several month such that when buildman
> builds U-Boot incrementally and a new CONFIG option has been added to the
> Kconfig, the build hanges waiting for input:
>
>     Test new config (NEW_CONFIG) [N/y/?] (NEW)
>
> Since binamn does not connect the build's stdin to anything this waits on
> stdin to the build thread, which never comes. Eventually I suspect all the
> threads end up in this state and the build does not progress.
>
> Fix this by passing /dev/null as input to the build. That way, if there is
> a new CONFIG, the build will stop (and fail):
>
>     Test new config (NEW_CONFIG) [N/y/?] (NEW)
>
>     Error in reading or end of file.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
>  tools/buildman/builder.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Applied to u-boot-dm, and now in mainline.