Copyright for fish source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: fish
Upstream-Contact: corydoras@ridiculousfish.com
Source: https://fishshell.com/

Files: *
Copyright: 2005-2009 Axel Liljencrantz 
License: GPL-2

Files: src/builtin_printf.cpp
Copyright: 1990-2007 Free Software Foundation, Inc.
License: GPL-2+

Files: src/fallback.cpp
Copyright: 1998 Todd C. Miller 
           1991-2011 Free Software Foundation, Inc.
License: ISC and LGPL-2.1+

Files: debian/*
Copyright: 2005-2009 James Vega 
           2015 Tristan Seligmann 
           2019-2020 Mo Zhou 
License: GPL-2

License: GPL-2
 Most of fish is licensed under the GNU General Public License version 2, and
 you can redistribute it and/or modify it under the terms of the GNU GPL as
 published by the Free Software Foundation.
 .
 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.
 .
 On Debian systems, the complete text of the GNU General Public License can be
 found in `/usr/share/common-licenses/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, 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, write to the Free Software Foundation, Inc., 51 Franklin
 Street, Fifth Floor, Boston, MA 02110-1301, USA.
 .
 On Debian systems, the complete text of the GNU General Public License can be
 found in `/usr/share/common-licenses/GPL-2'.

License: LGPL-2.1+
 The GNU C Library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
 .
 The GNU C Library 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
 Lesser General Public License for more details.
 .
 You should have received a copy of the GNU Lesser General Public
 License along with the GNU C Library; if not, write to the Free
 Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 02110-1301 USA
 .
 On Debian systems, the complete text of the GNU Library
 General Public License can be found in `/usr/share/common-licenses/LGPL-2.1'.

License: ISC
 Permission to use, copy, modify, and distribute this software for any
 purpose with or without fee is hereby granted, provided that the above
 copyright notice and this permission notice appear in all copies.
 .
 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.