Hook Scripts; How to Send Message to User?

I have a pre-commit hook script that is properly aborting the commit
according to my rules, but I can't get the script's message to the
user.

The book says anything written to stderr is marshalled to the user,
but I can't find any examples of how to do that successfully.

I have this in my hooks/pre-commit

===>
# Check that the incoming files meet name requirements.
/path/to/check-allowed-names.pl $1 $2 > /dev/null 2>&1
if [ $? != '0' ] ; then
  cat /path/to/msg 2>&1
  exit 1
fi
<===

Then I try to commit a file with disallowed name:

$ svn ci badname -m"test"
Adding (bin) badname
Transmitting file data .svn: Commit failed (details follow):
svn: Commit blocked by pre-commit hook (exit code 255) with no output.
$

The Perl script called by pre-commit writes to STDERR.

I have tried writing to an explicit file and then using cat in
pre-commit, but I can't control its output message at all.

What am I doing wrong? How does one get the called script's error
messages to the user?

Thanks.

-Tom

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Received on 2009-06-09 17:18:33 CEST