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+#!/usr/bin/perl -w
+
+=head1 NAME
+
+dh_ucf - register configuration files with ucf 
+
+=cut
+
+use strict;
+use Debian::Debhelper::Dh_Lib;
+
+=head1 SYNOPSIS
+
+B<dh_ucf> [S<I<debhelper options>>] [B<-n>]
+
+=head1 DESCRIPTION
+
+B<dh_ucf> is a debhelper program that is responsible for generating the
+F<postinst> and F<postrm> commands that register files with ucf(1) and ucfr(1).
+
+=head1 FILES
+
+=over 4
+
+=item debian/I<package>.ucf
+
+List pairs of source and destination files to register with ucf. Each pair
+should be put on its own line, with the source and destination separated by
+whitespace. Both source and destination must be absolute paths. The source
+should be a file that is provided by your package, typically in /usr/share/,
+while the destination is typically a file in /etc/.
+
+A dependency on ucf will be generated in B<${misc:Depends}>.
+
+=back
+
+=head1 OPTIONS
+
+=over 4
+
+=item B<-n>, B<--noscripts>
+
+Do not modify F<postinst>/F<postrm> scripts. Turns this command into a no-op.
+
+=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();
+
+# PROMISE: DH NOOP WITHOUT ucf
+
+foreach my $package (@{$dh{DOPACKAGES}}) {
+	my $tmp=tmpdir($package);
+	my $file=pkgfile($package,"ucf");
+
+	my @ucf;
+	if ($file) {
+		@ucf=filedoublearray($file);
+	}
+
+	if (($package eq $dh{FIRSTPACKAGE} || $dh{PARAMS_ALL}) && @ARGV) {
+		push @ucf, [@ARGV];
+	}
+	
+	if (! $dh{NOSCRIPTS}) {
+		if (@ucf) {
+			addsubstvar($package, "misc:Depends", "ucf");
+		}
+		foreach my $set (@ucf) {
+			my $src = $set->[0];
+			my $dest = $set->[1];
+			autoscript($package,"postinst","postinst-ucf","s:#UCFSRC#:$src:;s:#UCFDEST#:$dest:;s/#PACKAGE#/$package/",);
+			autoscript($package,"postrm","postrm-ucf","s:#UCFDEST#:$dest:;s/#PACKAGE#/$package/");
+		}
+	}
+}
+
+=head1 SEE ALSO
+
+L<debhelper(7)>
+
+This program is a part of debhelper.
+
+=head1 AUTHOR
+
+Joey Hess <joeyh@debian.org>
+Jeroen Schot <schot@a-eskwadraat.nl>
+
+=cut