On Mon, 11 Feb 2008, Michal Marek wrote:
Hi,
rpm sometimes doesn't work well with xargs:
$ touch /tmp/a
$ perl -e 'print "/tmp/a "x100000 . "/bin/sh";' | xargs rpm -qf | tail
xargs: rpm: exited with status 255; aborting
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
file /tmp/a is not owned by any package
From xargs(1):
If any invocation of the command exits with a status of 255, xargs will
stop immediately without reading any further input. An error message
is issued on stderr when this happens.
.
Given that the actual value of the exit status can't be relied upon by
scripts anyway, limiting it to 254 shouldn't break anything. Patch attached.
It'll break if somebody is abusing 255 return code as "everything got
installed" with number of args >= 255, but like you said it's totally
unreliable anyway...
Applied, thanks.
- Panu -
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