#!/bin/sh
#
# Copyright (C) 2012, 2016  Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# $Id$

# Find the list of files that have been touched in the Git repository
# during the current calendar year.  This is done by walking backwards
# through the output of "git whatchanged" until a year other than the
# current one is seen.  Used by merge_copyrights.

thisyear=`date +%Y`
git whatchanged --pretty="date %ai" --date=iso8601 | awk -v re="${thisyear}-" '
    BEGIN { change=0 }
    $1 == "date" && $2 !~ re { exit(0); }
    $1 == "date" { next; }
    NF == 0 { next; }
    $(NF-1) ~ /[AM]/ { print "./" $NF; change=1 }
    END { if (change) print "./COPYRIGHT" } ' | sort | uniq