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#!/usr/bin/perl -w
=head1 NAME
dh_installudev - install udev rules files
=cut
use strict;
use Debian::Debhelper::Dh_Lib;
use File::Find;
=head1 SYNOPSIS
B<dh_installudev> [S<I<debhelper options>>] [B<-n>] [B<--name=>I<name>] [B<--priority=>I<priority>]
=head1 DESCRIPTION
B<dh_installudev> is a debhelper program that is responsible for
installing B<udev> rules files.
Code is added to the F<preinst> and F<postinst> to handle the upgrade from the
old B<udev> rules file location.
=head1 FILES
=over 4
=item debian/I<package>.udev
Installed into F<lib/udev/rules.d/> in the package build directory.
=back
=head1 OPTIONS
=over 4
=item B<--name=>I<name>
When this parameter is used, B<dh_installudev> looks for and
installs files named debian/I<package>.I<name>.udev instead of the usual
debian/I<package>.udev.
=item B<--priority=>I<priority>
Sets the priority the file. Default is 40.
=item B<-n>, B<--noscripts>
Do not modify F<preinst>/F<postinst> scripts.
=back
=head1 NOTES
Note that this command is not idempotent. L<dh_prep(1)> should be called
between invocations of this command. Otherwise, it may cause multiple
instances of the same text to be added to maintainer scripts.
=cut
init();
# The priority used to look like z60_;
# we need to calculate that old value to handle
# conffile moves correctly.
my $old_priority=$dh{PRIORITY};
# In case a caller still uses the `z` prefix, remove it.
if (defined $dh{PRIORITY}) {
$dh{PRIORITY}=~s/^z//;
}
if (! defined $dh{PRIORITY}) {
$dh{PRIORITY}="40";
$old_priority="z60";
}
if ($dh{PRIORITY}) {
$dh{PRIORITY}.="-";
$old_priority.="_";
}
# PROMISE: DH NOOP WITHOUT udev
foreach my $package (@{$dh{DOPACKAGES}}) {
my $tmp=tmpdir($package);
my $rules_file=pkgfile($package,"udev");
my $filename=basename($rules_file);
if ($filename eq 'udev') {
$filename = "$package.udev";
}
$filename=~s/\.udev$/.rules/;
my $oldfilename=$filename;
if (defined $dh{NAME}) {
$filename="$dh{NAME}.rules";
}
if ($rules_file) {
if (! -e "$tmp/lib/udev/rules.d") {
doit("install","-d","$tmp/lib/udev/rules.d");
}
my $rule="/lib/udev/rules.d/$dh{PRIORITY}$filename";
doit("install","-m","0644",$rules_file,$tmp.$rule);
if (! $dh{NOSCRIPTS}) {
# Remove old rule from /etc, unless it's modified,
# in which case we rename it to match the new
# file in /lib, so it will override.
my $old="/etc/udev/rules.d/$old_priority$oldfilename";
$rule=~s/^\/lib/\/etc/;
autoscript($package,"preinst","preinst-moveconffile","s!#OLD#!$old!g;s!#NEW#!$rule!g;s!#PACKAGE#!$package!g");
autoscript($package,"postinst","postinst-moveconffile","s!#OLD#!$old!g;s!#NEW#!$rule!g");
}
}
}
=head1 SEE ALSO
L<debhelper(7)>
This program is a part of debhelper.
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut