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Debconf::Client::ConfModule - client module for ConfModules
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Description
This is a module to ease writing ConfModules for Debian's configuration management system. It can
communicate with a FrontEnd via the debconf protocol (which is documented in full in the
debconf_specification in Debian policy).
The design is that each command in the protocol is represented by one function in this module (with the
name lower-cased). Call the function and pass in any parameters you want to follow the command. If the
function is called in scalar context, it will return any textual return code. If it is called in list
context, an array consisting of the numeric return code and the textual return code will be returned.
This module uses Exporter to export all functions it defines. To import everything, simply import ":all".
import
Ensure that a FrontEnd is running. It's a little hackish. If DEBIAN_HAS_FRONTEND is set, a FrontEnd
is assumed to be running. If not, one is started up automatically and stdin and out are connected to
it. Note that this function is always run when the module is loaded in the usual way.
stop
The frontend doesn't send a return code here, so we cannot try to read it or we'll block.
AUTOLOAD
Creates handler functions for commands on the fly.
Name
Debconf::Client::ConfModule - client module for ConfModules
See Also
The debconf specification (/usr/share/doc/debian-policy/debconf_specification.txt.gz).
Synopsis
use Debconf::Client::ConfModule ':all';
version('2.0');
my $capb=capb('backup');
input("medium", "foo/bar");
my @ret=go();
if ($ret[0] == 30) {
# Back button pressed.
...
}
...
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