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pacman/contrib/pacdiff.sh.in
Florian Pritz 23f93118d0 pacdiff: update copyright notice
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Allan McRae <allan@archlinux.org>
2013-01-03 12:03:10 +10:00

120 lines
3.2 KiB
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#!/bin/bash
# pacdiff : a simple pacnew/pacorig/pacsave updater
#
# Copyright (c) 2007 Aaron Griffin <aaronmgriffin@gmail.com>
# Copyright (c) 2013 Pacman Development Team <pacman-dev@archlinux.org>
#
# 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 <http://www.gnu.org/licenses/>.
#
declare -r myname='pacdiff'
declare -r myver='@PACKAGE_VERSION@'
diffprog=${DIFFPROG:-vimdiff}
diffsearchpath=${DIFFSEARCHPATH:-/etc}
locate=0
if tput setaf 0 &>/dev/null; then
ALL_OFF="$(tput sgr0)"
BOLD="$(tput bold)"
BLUE="${BOLD}$(tput setaf 4)"
GREEN="${BOLD}$(tput setaf 2)"
YELLOW="${BOLD}$(tput setaf 3)"
PURPLE="${BOLD}$(tput setaf 5)"
else
ALL_OFF="\e[1;0m"
BOLD="\e[1;1m"
BLUE="${BOLD}\e[1;34m"
GREEN="${BOLD}\e[1;32m"
YELLOW="${BOLD}\e[1;33m"
PURPLE="${BOLD}\e[1;35m"
fi
usage() {
echo "$myname : a simple pacnew/pacorig/pacsave updater"
echo "Usage : $myname [-l]"
echo " -l/--locate makes $myname use locate rather than find"
echo " DIFFPROG variable allows to override the default vimdiff"
echo " DIFFSEARCHPATH allows to override the default /etc path"
echo "Example : DIFFPROG=meld DIFFSEARCHPATH=\"/boot /etc /usr\" $myname"
}
version() {
printf "%s %s\n" "$myname" "$myver"
echo 'Copyright (C) 2007 Aaron Griffin <aaronmgriffin@gmail.com>'
echo 'Copyright (C) 2013 Pacman Development Team <pacman-dev@archlinux.org>'
}
cmd() {
if [ $locate -eq 1 ]; then
locate -0 -e -b \*.pacnew \*.pacorig \*.pacsave
else
find $diffsearchpath \( -name \*.pacnew -o -name \*.pacorig -o -name \*.pacsave \) -print0
fi
}
if [ $# -gt 0 ]; then
case $1 in
-l|--locate)
locate=1;;
-V|--version)
version; exit 0;;
-h|--help)
usage; exit 0;;
*)
usage; exit 1;;
esac
fi
# see http://mywiki.wooledge.org/BashFAQ/020
while IFS= read -u 3 -r -d '' pacfile; do
file="${pacfile%.pac*}"
file_type="pac${pacfile##*.pac}"
case $file_type in
pacnew) printf "$GREEN%s$ALL_OFF" "$file_type";;
pacorig) printf "$YELLOW%s$ALL_OFF" "$file_type";;
pacsave) printf "$BLUE%s$ALL_OFF" "$file_type";;
esac
printf " file found for $PURPLE%s$ALL_OFF\n" "$file"
if [ ! -f "$file" ]; then
echo " $file does not exist"
rm -iv "$pacfile"
continue
fi
if cmp -s "$pacfile" "$file"; then
echo " Files are identical, removing..."
rm -v "$pacfile"
else
printf " (V)iew, (S)kip, (R)emove %s, (O)verwrite with %s: [v/s/r/o] " "$file_type" "$file_type"
while read c; do
case $c in
r|R) rm -v "$pacfile"; break ;;
o|O) mv -v "$pacfile" "$file"; break ;;
v|V)
$diffprog "$pacfile" "$file"
rm -iv "$pacfile"; break ;;
s|S) break ;;
*) printf " Invalid answer. Try again: [v/s/r/o] "; continue ;;
esac
done
fi
done 3< <(cmd)
exit 0
# vim: set ts=2 sw=2 noet: