Re: [BackupPC-users] __TOPDIR__ and $Conf{TopDir}
2009-11-25 09:48:48
Tino Schwarze wrote:
> On Tue, Nov 24, 2009 at 05:32:14PM -0600, Les Mikesell wrote:
>
>>>> I agree - almost every "newbie" that picks up BackupPC makes this
>>>> mistake - the more experienced you are with old-school config files
>>>> the MORE likely you are to assume changing this is all you need to do.
>>>> A note in the docs and/or a link to the "how to change your TOP DIR"
>>>> page would fix a huge percentage of installation failures.
>>>>
>>>> Or just fixing it so changing the config file IS all you have to do :)
>>> If they need to be the same, why do we need the configuration option in the
>>> first place?
>> __TOPDIR__ is a token that gets substituted/replaced during an initial
>> install (a step that deb/rpm packagers have already done). One of the
>> places that the actual value is substituted is the value of
>> $Conf{TopDir} in the config file. But that's not the only place and
>> that's why you can't change it later.
>
> Well, then we could simply move it out of config.pl into the code which
> reads config.pl, e.g. have it preloaded into $Config...
>
The installer doing the substitution also establishes and moves the code to its
runtime location - which the packagers have put elsewhere. It is approximately
the equivalent of wanting to change 'configure' options of some other source
package after you've installed a packaged binary.
--
Les Mikesell
lesmikesell AT gmail DOT com
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