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#!/usr/bin/env bash
# finding .pacnew files and compare
# v1.1.0
AGE=360 # ne rechercher que ceux qui ont moins de 360 jours
EXT='pacnew'
ARCCHIVEDIR='/var/cache/pacman/pacnew'
c_red='\033[0m\033[31m'
c_green='\033[0m\033[32m'
c_yellow='\033[0m\033[33m'
c_end='\033[0m'
bold='\033[1m'
## default string constants {{{
declare -A txt=(
['label']='differences of'
['error']='Error'
['notfound']='file not found'
['root']='This script must be run as root'
['files']='files'
['noarchive']='not in archives'
['erase']='You can erase this file'
['archiver']='archive in'
)
lg=$(locale 2>/dev/null | awk -F'=' '/^LANG/ {print $2}')
if [ 'fr' == "${lg:0:2}" ]; then
declare -A txt=(
['label']='les différences de'
['error']='Erreur'
['notfound']="fichier n'existe pas"
['root']='Vous devez avoir des droits administrateur'
['files']='fichiers'
['noarchive']='non archivés'
['erase']='Vous pouvez supprimer ce fichier'
['archiver']='archivé dans'
)
fi
#}}}
function error()
{
echo -e "\033[41m${txt[error]}:\033[0m $1" >&2
}
function test_sudo() {
if [[ $EUID -ne 0 ]]; then
error "${txt[root]}"
exit 1
fi
}
function get_su(){
local mysu=''
if [ -f '/usr/bin/kdesu' ]; then
mysu='kdesu'
else
[ -f '/usr/bin/gksu' ] && mysu='gksu'
fi
echo -n "$mysu"
}
function get_editor(){
local ed=''
if [ -f '/usr/bin/diffuse' ]; then
ed='/usr/bin/diffuse'
else
[ -f '/usr/bin/kompare' ] && ed='/usr/bin/kompare'
fi
echo "$ed"
}
function archive()
{
test_sudo
local file="$1"
local name="$2"
file=$ARCCHIVEDIR${file/$name.$EXT/$(stat -c "%Y" "$1")-$name.$EXT}
install -D "$1" "$file"
echo "-- ${txt[archiver]} $file"
file=$(dirname $file)
# want only 2 last files
nb=$(ls $file/*$name.$EXT | wc -l)
if [ "$nb" -gt 2 ]; then
ls -v $file/*$name.$EXT | head -$(($nb-2)) | xargs rm
fi
}
function in_archive(){
local file="$1"
local name="$2"
declare -a out
file=$ARCCHIVEDIR${file/$name.$EXT/*-$name.$EXT}
nb=$(ls $file | wc -l)
if [ "$nb" -gt "1" ]; then
echo $(ls -v $file)
else
return 1
fi
}
function make_diff()
{
local file1="$1"
local file2="$2"
local original="$3"
local nothing=1
IFS=$'\n'
# < : removed > : added
diff $file1 $file2| grep -E "^>|^<" | while read line ; do
if [ "${line::1}" = '<' ]; then c="$c_red-"; else c="$c_green+"; fi
echo -e "$c ${line:2}$c_end"
nothing=0
done
if [[ $nothing -eq 1 ]]; then
# can remove etc/pacnew
echo -e "-- ${c_yellow}${txt[erase]}${c_end} : sudo rm $file"
fi
}
function usage()
{
echo "usage: pacman-diffs [options]"
echo -e "\t -x extension (pacnew, pacsave...)"
echo -e "\t -d since x days"
echo -e "\t -l : list only - no diff"
echo -e "\t -e filename : edit files"
echo -e "\t -a archive pacnew in /var/cache/pacman/pacnew/"
echo -e "\t -c compare archives"
exit
}
while getopts "hd:x:le:ac" flags; do
case $flags in
h) usage;exit 0 ;;
d) AGE="${OPTARG}" ;;
x) EXT="${OPTARG}" ;;
l) listing=1 ;;
e) edit="${OPTARG}"; listing=1 ;;
a) archive=1; listing=1 ;;
c) archive=1; archivediff=1 ;;
:) error "Vous avez oublié un argument"; exit 1 ;;
?) error "invalid Option"; exit 1 ;;
*) error "*"; exit 1 ;;
esac
done
find '/etc' -name "*.$EXT" -mtime -$AGE -type f 2> /dev/null | while read file ; do
fname=$(basename "$file")
fname="${fname%.$EXT}"
ofile="$(dirname ${file})/${fname}"
dfile=$(stat -c "%y" ${file} | awk '{print $1}')
echo -e "\n$bold${fname}$c_end\n-- ${txt[label]} $file\t(${dfile})"
if [[ -f "$ofile" ]]; then
if [[ $archive -eq 1 ]]; then
# cp in /var/cache/pacman/pacnew/
archive ${file} ${fname}
fi
if [[ $listing -ne 1 ]]; then
if [[ $archivediff -eq 1 ]]; then
files=$(in_archive ${file} ${fname})
if [ "$?" -ne "1" ]; then
make_diff ${files} ${file}
continue
else
echo "2 ${txt[files]} \"${fname}\" ${txt[noarchive]}"
continue
fi
fi
make_diff ${ofile} ${file} ${file}
fi
if [ "$edit" == "$fname" ]; then
cmd="$(get_su) $(get_editor) $ofile $file &"
$cmd
fi
else
echo -e "\t$bold ${txt[error]}:$c_end ${txt[notfound]} ? $ofile"
fi
done
exit 0
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