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#!/usr/bin/perl -w
=head1 NAME
dh_installwm - register a window manager
=cut
use strict;
use Debian::Debhelper::Dh_Lib;
=head1 SYNOPSIS
B<dh_installwm> [S<I<debhelper options>>] [B<-n>] [B<--priority=>I<n>] [S<I<wm> ...>]
=head1 DESCRIPTION
B<dh_installwm> is a debhelper program that is responsible for
generating the F<postinst> and F<prerm> commands that register a window manager
with L<update-alternatives(8)>. The window manager's man page is also
registered as a slave symlink (in v6 mode and up), if it is found in
F<usr/share/man/man1/> in the package build directory.
=head1 FILES
=over 4
=item debian/I<package>.wm
List window manager programs to register.
=back
=head1 OPTIONS
=over 4
=item B<--priority=>I<n>
Set the priority of the window manager. Default is 20, which is too low for
most window managers; see the Debian Policy document for instructions on
calculating the correct value.
=item B<-n>, B<--noscripts>
Do not modify F<postinst>/F<prerm> scripts. Turns this command into a no-op.
=item I<wm> ...
Window manager programs to register.
=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();
if (! defined $dh{PRIORITY}) {
$dh{PRIORITY}=20;
}
if (@ARGV) {
# This is here for backwards compatibility. If the filename doesn't
# include a path, assume it's in /usr/bin.
if ($ARGV[0] !~ m:/:) {
$ARGV[0]="/usr/bin/$ARGV[0]";
}
}
# PROMISE: DH NOOP WITHOUT wm
foreach my $package (@{$dh{DOPACKAGES}}) {
my $tmp=tmpdir($package);
my $file=pkgfile($package,"wm");
my @wm;
if ($file) {
@wm=filearray($file, '.');
}
if (($package eq $dh{FIRSTPACKAGE} || $dh{PARAMS_ALL}) && @ARGV) {
push @wm, @ARGV;
}
if (! $dh{NOSCRIPTS}) {
WM: foreach my $wm (@wm) {
autoscript($package,"prerm","prerm-wm","s:#WM#:$wm:");
my $wmman;
if (! compat(5)) {
foreach my $ext (".1", ".1x") {
$wmman="/usr/share/man/man1/".basename($wm).$ext;
if (-e "$tmp$wmman" || -e "$tmp$wmman.gz") {
autoscript($package,"postinst","postinst-wm","s:#WM#:$wm:;s:#WMMAN#:$wmman.gz:;s/#PRIORITY#/$dh{PRIORITY}/",);
next WM;
}
}
}
autoscript($package,"postinst","postinst-wm-noman","s:#WM#:$wm:;s/#PRIORITY#/$dh{PRIORITY}/",);
}
}
}
=head1 SEE ALSO
L<debhelper(7)>
This program is a part of debhelper.
=head1 AUTHOR
Joey Hess <joeyh@debian.org>
=cut