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Re: pre-commit hooks does not show any output

From: prakash tiwary <prakash.tiwary_at_gmail.com>
Date: Fri, 16 May 2008 10:27:17 +0530

Daevid, Hari
    Thanks for taking all those effort. Its work with "1>&2" which
redirects the output stderr in bash.

Regards,
Prakash

On Fri, May 16, 2008 at 2:32 AM, Hari Kodungallur <hkodungallur_at_gmail.com>
wrote:

>
> On Thu, May 15, 2008 at 12:38 PM, Daevid Vincent <daevid_at_daevid.com>
> wrote:
>
>> Yeah, I struggled last night for several hours trying to find what would
>> seem to be a pretty standard pre-commit script. I would have expected the
>> examples would be more verbose and have some "uncomment this line, make sure
>> this path is correct, and you're golden" type of stuff in there. Mine had a
>> reference to "commit-access-control.pl "$REPOS" "$TXN"
>> commit-access-control.cfg || exit 1" … I don't even have a file named
>> "commit-access-control.pl" on my entire file system !?!
>>
>
> commit-access-control.pl is part of the source distribution.
> Note that this is provided in a file that is only a template. If it did
> mention this fact (that the perl script is part of the source distribution),
> it would be helpful. May be you should send a request to the dev. However,
> I don't think it is a huge deal. Lot of people of already figured it out :-)
>
>
>>
>>
>> Anyways Hari, Hopefully this will save you some gray hair pulling.
>>
>>
>>
>> The first trick that nobody mentions is that you have to redirect all
>> output to stderr (?!) so you have to do this kind of redirection annoyance:
>>
>>
>>
>> echo "A commit log message is required." *1>&2*
>>
>
> The documentation for pre-commit says that: "Anything printed to stderr is
> marshalled back to the client" in case of non-zero exit state.
> This (1>&2) is a common way to redirect output stderr in bash.
>
> [Basically, I don't understand the "(?!)" and why it is an annoyance, if
> the documentation asks you to print things to stderr]
>
>
>
>> The next thing that took me forever to figure out (and find examples on
>> the net) is that you have to do this completely convoluted "SVNLOOK" thing
>> to get the filenames you are trying to check. GRRR…
>>
>
> You are correct that we need to use SVNLOOK to get the check-in details.
> However, (again) I am not quite sure why it is convoluted. This is an
> extremely simple to use set of commands.
>
>
>
>> Another huge issue I found is that almost all the examples are in
>> Python! I would have liked to find a PHP one ideally, or again, at least
>> have the default .tmpl ones (in Bash) be more explicit.
>>
>
> There are a couple of examples in bash. Other examples in the svn
> repository mentioned in the template script are python. There are actually a
> few server side scripts in perl and ruby as well that is part of the source
> distribution (commit-access-control file is one of them). They all are
> designed to be called from hooks.
>
> But I believe the idea is to provide the user with information on how you
> can use the hooks to accomplish different things. Once you have the info,
> you are free to use any language you wish. [Unless some sort of 'web' is
> involved, I have not too many instances of php being used purely for
> scripting; but I could be wrong.].
>
>
>>
>>
>> Long story short, here is what I came up with so far in the five plus
>> hours I spent last night on it
>>
>> (I will keep it updated as I learn more and find more interesting/useful
>> parts to add to the script):**
>>
>> *http://www.daevid.com/content/examples/snippets.php*
>>
>
>
> I think the information you provide are very useful. It is great that you
> have published it in your website.
>
>
> Thanks,
> -Hari
Received on 2008-05-16 06:57:48 CEST

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