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#!/bin/bash
#
# Copyright (C) 2009 W. Trevor King <wking@drexel.edu>
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Update copyright information in source code with information from
# the bzr repository. Run from the BE repository root.
#
# Replaces everything starting with '^# Copyright' and continuing with
# '^#' with an auto-generated copyright blurb. If you want to add
# #-commented material after a copyright blurb, please insert a blank
# line between the blurb and your comment (as in this file), so the
# next run of update_copyright.sh doesn't clobber your comment.
#
# usage: update_copyright.sh [files ...]
#
# If no files are given, a list of files to update is generated
# automatically.
set -o pipefail
if [ $# -gt 0 ]; then
FILES="$*"
else
FILES=`grep -rc "# Copyright" . | grep -v ':0$' | cut -d: -f1`
fi
COPYRIGHT_TEXT="#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA."
# escape newlines and special characters
SED_RM_TRAIL_END='s/[\]n$//' # strip trailing newline escape
SED_ESC_SPECIAL='s/\([()/]\)/\\\1/g' # escape special characters
ESCAPED_TEXT=`echo "$COPYRIGHT_TEXT" | awk '{printf("%s\\\\n", $0)}' | sed "$SED_RM_TRAIL_END" | sed "$SED_ESC_SPECIAL"`
# adjust the AUTHORS file
AUTHORS=`bzr log | grep '^ *committer\|^ *author' | cut -d: -f2 | sed 's/ <.*//;s/^ *//' | sort | uniq`
AUTHORS=`echo "$AUTHORS" | grep -v 'j\^\|wking\|John Doe'` # remove non-names
echo "Bugs Everywhere was written by:" > AUTHORS
echo "$AUTHORS" >> AUTHORS
CURRENT_YEAR=`date +"%Y"`
TMP=`mktemp BE_update_copyright.XXXXXXX`
for file in $FILES
do
# Ignore some files
if [ "${file:0:5}" == "./.be" ]; then
continue
fi
if [ "${file:0:6}" == "./.bzr" ]; then
continue
fi
if [ "${file:0:7}" == "./build" ]; then
continue
fi
if [ "$file" == "./COPYING" ]; then
continue
fi
if [ "$file" == "./update_copyright.sh" ]; then
continue
fi
if [ "$file" == "./xml/catmutt" ]; then
continue
fi
echo "Processing $file"
# Get author history from bzr
AUTHORS=`bzr log "$file" | grep "^ *author: \|^ *committer: " | cut -d: -f2 | sed 's/^ *//;s/ *$//' | sort | uniq`
if [ $? -ne 0 ]; then
continue # bzr doesn't version that file
fi
ORIG_YEAR=`bzr log "$file" | grep "^ *timestamp: " | tail -n1 | sed 's/^ *//;' | cut -b 16-19`
# Tweak the author list to make up for problems in the bzr
# history, change of email address, etc.
# Consolidate Aaron Bentley
AUTHORS=`echo "$AUTHORS" | sed 's/<abentley@panoramicfeedback.com>/and Panometrics, Inc./'`
GREP_OUT=`echo "$AUTHORS" | grep 'Aaron Bentley and Panometrics, Inc.'`
if [ -n "$GREP_OUT" ]; then
AUTHORS=`echo "$AUTHORS" | grep -v '^Aaron Bentley <aaron.bentley@utoronto.ca>$'`
fi
# Consolidate Ben Finney
AUTHORS=`echo "$AUTHORS" | sed 's/John Doe <jdoe@example.com>/Ben Finney <ben+python@benfinney.id.au>/'`
GREP_OUt=`echo "$AUTHORS" | grep 'Ben Finney <ben+python@benfinney.id.au>'`
if [ -n "$GREP_OUT" ]; then
AUTHORS=`echo "$AUTHORS" | grep -v '^Ben Finney <benf@cybersource.com.au>$'`
fi
# Consolidate Chris Ball
GREP_OUT=`echo "$AUTHORS" | grep 'Chris Ball <cjb@laptop.org>'`
if [ -n "$GREP_OUT" ]; then
AUTHORS=`echo "$AUTHORS" | grep -v '^Chris Ball <cjb@thunk.printf.net>$'`
fi
# Consolidate Trevor King
AUTHORS=`echo "$AUTHORS" | grep -v "wking <wking@mjolnir>"`
# Sort again...
AUTHORS=`echo "$AUTHORS" | sort | uniq`
# Generate new Copyright string
if [ "$ORIG_YEAR" == "$CURRENT_YEAR" ]; then
DATE_RANGE="$CURRENT_YEAR"
DATE_SPACE=" "
else
DATE_RANGE="${ORIG_YEAR}-${CURRENT_YEAR}"
DATE_SPACE=" "
fi
NUM_AUTHORS=`echo "$AUTHORS" | wc -l`
FIRST_AUTHOR=`echo "$AUTHORS" | head -n 1`
COPYRIGHT="# Copyright (C) $DATE_RANGE $FIRST_AUTHOR"
if [ $NUM_AUTHORS -gt 1 ]; then
OTHER_AUTHORS=`echo "$AUTHORS" | tail -n +2`
while read AUTHOR; do
COPYRIGHT=`echo "$COPYRIGHT\\n# $DATE_SPACE $AUTHOR"`
done < <(echo "$OTHER_AUTHORS")
fi
COPYRIGHT=`echo "$COPYRIGHT\\n$ESCAPED_TEXT"`
# Strip old copyright info and replace with tag
awk 'BEGIN{incopy==0}{if(match($0, "^# Copyright")>0){incopy=1; print "-xyz-COPYRIGHT-zyx-"}else{if(incopy==0){print $0}else{if(match($0, "^#")==0){incopy=0; print $0}}}}' "$file" > "$TMP"
# Replace tag in with new string
sed -i "s/^-xyz-COPYRIGHT-zyx-$/$COPYRIGHT/" "$TMP"
cp "$TMP" "$file"
done
rm -f "$TMP"
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