Re: [Xen-devel] [OSSTEST PATCH 05/11] mg-debug-fail: Catch attempts to read from a tty

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Fri, 2015-12-04 at 19:35 +0000, Ian Jackson wrote:
> When stdin is a tty, do not try to dump it.
> 
> Signed-off-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

> ---
> Âmg-debug-fail |ÂÂÂÂ8 ++++----
> Â1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/mg-debug-fail b/mg-debug-fail
> index 64fa235..ffe9f50 100755
> --- a/mg-debug-fail
> +++ b/mg-debug-fail
> @@ -3,10 +3,10 @@
> Â# This script can be provided anywhere an executable or command name is
> Â# wanted.ÂÂIt prints its arguments, and its stdin, to its stderr, and
> Â# then exits nonzero.
> -#
> -# When using this it may be useful to provide </dev/null as a
> -# redirection for the whole program under test.ÂÂOtherwise things
> -# can mysteriously hang.
> +
> +if tty >/dev/null 2>&1; then
> +     exec </dev/null
> +fi
> Â
> Âbash -xc ': mg-debug-fail "$@"' x "$@"
> Âegrep . >&2

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