On Sat, Jul 11, 2009 at 7:39 AM, Steve M. Robbins<st...@sumost.ca> wrote:
> I wasted 20 minutes debugging help2man because it outputs
> a completely unhelpful message:
>
> help2man: can't get `--help' info from inspect
>
> when the program writes to stderr.
>
> David Bremner suggested to at least documenting this design
> choice. Please consider the enclosed patch.
The design choice is simple: don't try to parse error messages as
help, consider the following examples from a non-linux system:
$ ls --help
ls: unknown option -- -
usage: ls [-1AaCcdFfghikLlmnopqRrSsTtux] [file ...]
$ cp --help
cp: unknown option -- -
usage: cp [-fip] [-R [-H | -L | -P]] source target
cp [-fip] [-R [-H | -L | -P]] source ... directory
For this reason, help2man will continue to ignore stderr by default.
I will however change the wording of the error message, and add a
--no-discard-stderr (or whatever) option.
--bod
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