Copyright for libpipeline source package in Lunar

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libpipeline
Upstream-Contact: Colin Watson 
Source: https://gitlab.com/libpipeline/libpipeline/-/releases

Files: *
Copyright: 2010-2020, Colin Watson
License: GPL-2+

Files: gl/*
Copyright: 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, Free Software Foundation, Inc.
License: GPL-3+

Files: lib/appendstr.c
Copyright: 1994, Markus Armbruster
License: GPL-2+

Files: lib/debug.c
Copyright: 2007, 2010 Colin Watson
License: GPL-2+

Files: lib/pipeline*
Copyright: 1989, 1990, 1991, 1992, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
           2003-2017 Colin Watson
License: GPL-2+

License: GPL-2+
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.
 .
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see .
 .
 On Debian and Debian-based systems, the full text of the GNU General
 Public License version 2 can be found in the file
 `/usr/share/common-licenses/GPL-2'.

License: GPL-3+
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.
 .
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 .
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see .
 .
 On Debian and Debian-based systems, the full text of the GNU General
 Public License version 3 can be found in the file
 `/usr/share/common-licenses/GPL-3'.