#!/bin/sh
#
# ChangeLog file generator
#
# This script parse the git history and format it like a ChangeLog file.
# This script is called at distribution tile (see "make dist").
#

#
# viking -- GPS Data and Topo Analyzer, Explorer, and Manager
#
# Copyright (C) 2009-2010, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# e.g. for updating the NEWS file before tagging the final commit
# such as for release 1.5.1 or 1.6, to only list the changes since previous main release (1.5):
# ./git2changelog.sh HEAD..viking-1.5
#
git log --date=short "--format=%cd %an <%aE>:%n%x09* %s" "$@" \
| awk '/^[^\t]/{if(previous==$0)next;previous=$0}{print}' \
| sed '/^[^\t]/s/\([^ ]*\) \(.*\)/\n\1\n\2/'