On Fri, 2015-12-04 at 19:35 +0000, Ian Jackson wrote: > Signed-off-by: Ian Jackson <ian.jack...@eu.citrix.com> > --- > mg-debug-fail | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > create mode 100755 mg-debug-fail > > diff --git a/mg-debug-fail b/mg-debug-fail > new file mode 100755 > index 0000000..64fa235 > --- /dev/null > +++ b/mg-debug-fail > @@ -0,0 +1,13 @@ > +#!/bin/sh > +# > +# This script can be provided anywhere an executable or command name is > +# wanted. It prints its arguments, and its stdin, to its stderr, and > +# then exits nonzero. > +# > +# When using this it may be useful to provide </dev/null as a > +# redirection for the whole program under test. Otherwise things > +# can mysteriously hang.
"egrep . - /dev/null" is too noisy, it adds a "(standard input):" prefix which I don't think you want. But "egrep -h . - /dev/null" seems to remedy this without the possibility of these mysterious hangs. What do you think? Also, what does egrep give us here over just cat? > + > +bash -xc ': mg-debug-fail "$@"' x "$@" > +egrep . >&2 > +exit 127 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
