diff options
Diffstat (limited to 'localbackupconfig')
| -rwxr-xr-x | localbackupconfig | 125 |
1 files changed, 100 insertions, 25 deletions
diff --git a/localbackupconfig b/localbackupconfig index ed745a5..43a33ad 100755 --- a/localbackupconfig +++ b/localbackupconfig @@ -1,9 +1,9 @@ #!/bin/sh # # /usr/local/sbin/localbackupconfig -# Copyright 2001 Jonas Smedegaard <dr@jones.dk> +# Copyright 2001-2007 Jonas Smedegaard <dr@jones.dk> # -# $Id: localbackupconfig,v 1.6 2002-10-17 17:20:56 jonas Exp $ +# $Id: localbackupconfig,v 1.7 2007-04-04 15:26:31 jonas Exp $ # # .dpkg-new files appear when refusing to update a conffile on package update # @@ -11,36 +11,111 @@ # # .old files are for customizing when you don't have the original (anymore) # -# .bak is... eh... just in case you felt like using that name now and then... +# .bak and ~ is in case you forgot to rename properly as .orig or .old! # set -e -FQDN=`hostname -f` -BACKUPDIR=/var/local/backups/$FQDN -LOCALCONFIGDIR=/etc/local-$FQDN +PRG=$(basename "$0") -if [ -e $LOCALCONFIGDIR ]; then - mkdir -p $BACKUPDIR/$LOCALCONFIGDIR - cp -fa $LOCALCONFIGDIR $BACKUPDIR/`dirname $LOCALCONFIGDIR`/ -fi -changedfiles=`find /etc -name '*.bak' -o -name '*.old' -o -name '*.orig' -o -name '*.dpkg-new' | sed -e 's,\.\(bak\|old\|orig\|dpkg-new\)$,,' | grep -v "^$LOCALCONFIGDIR" | sort -u` -for i in $changedfiles; do - if [ -e $i ]; then - if [ -e $i.dpkg-new ]; then - orig="$i.dpkg-new" - elif [ -e $i.orig ]; then - orig="$i.orig" - elif [ -e $i.old ]; then - orig="$i.old" - elif [ -e $i.bak ]; then - orig="$i.bak" +TEMP="`getopt -s sh -o t:f -l target:,force -n "$PRG" -- "$@"`" +if [ $? != 0 ] ; then echo >&2 "ERROR: Internal getopt error." ; exit 1 ; fi +eval set -- "$TEMP" + +targetdir='' +force='no' +while true ; do + case "$1" in + -t|--target) targetdir="$2" ; shift 2 ;; + -f|--force) force="yes" ; shift ;; + --) shift ; break ;; + *) echo >&2 "ERROR: Internal error resolving options." ; exit 1 ;; + esac +done + +basedir="/etc" +includefile="/etc/local/localtweaks.include" +excludefile="/etc/local/localtweaks.exclude" +extensions=".dpkg-new .orig .old .bak ~" + +if [ -n "$targetdir" ]; then + targetdirparent="$(dirname "$targetdir")" + if ! [ -d "$targetdirparent" ]; then + if [ "$force" = "yes" ]; then + mkdir -p "$targetdirparent" else - echo "What the f... Original for \"$i\" has disappeared?!?" + echo >&2 "Error: Parent directory for target directory does not exist." exit 1 fi - mkdir -p $BACKUPDIR/`dirname $i` - cp -fa $i $BACKUPDIR/`dirname $i`/ - diff -ruN $orig $i > $BACKUPDIR/$i.diff || true + elif [ -e "$targetdir" ]; then + if [ "$force" = "yes" ]; then + rm -rf "$targetdir" + else + echo >&2 "Error: Target directory already exists." + exit 1 + fi + fi +fi + +tempdir="$(mktemp -td localtweaks.XXXXXX)" + +for ext in $extensions; do + extfiles="$(find $basedir -name "*$ext")" + for extfile in $extfiles; do + xextfile="${extfile%$ext}" + files="$files ${xextfile#$basedir}" + done +done + +includes="" +if [ -d "$(dirname "$includefile")" ] && [ -r "$includefile" ]; then + includes="$(cat "$includefile")" + for include in $includes; do + files="$files ${include#$basedir}" + done +fi + +excludes="" +if [ -d "$(dirname "$excludefile")" ] && [ -r "$excludefile" ]; then + xexcludes="$(cat "$excludefile")" + for exclude in $xexcludes; do + excludes="$excludes ${exclude#$basedir}" + done +fi + +# process all files once each +files="$(for x in $files; do echo "$x"; done | uniq | sort)" +for file in $files; do + + # file were chosen based on backups - it may not exist itelf + [ -s "$basedir/$file" ] || continue + + for exclude in $excludes; do + [ "$file" = "$exclude" ] && continue 2 + done + + ext="" + for xext in $extensions; do + if [ -e $basedir/$file$xext ]; then + ext="$xext" + continue + fi + done + + newdir="$tempdir/$basedir/$(dirname "$file")" + mkdir -p "$newdir" + cp -af "$basedir/$file" "$newdir" + + # Only diff against existing and non-empty files. + if [ -n "$ext" ] && [ -s "$basedir/$file$ext" ]; then + diff -ruN "$basedir/$file$ext" "$basedir/$file" > "$tempdir/$basedir/$file.diff" || [ $? -lt 2 ] + chown --reference="$basedir/$file" "$tempdir/$basedir/$file.diff" + chmod --reference="$basedir/$file" "$tempdir/$basedir/$file.diff" + chmod a-x "$tempdir/$basedir/$file.diff" fi done + +if [ -n "$targetdir" ]; then + mv "$tempdir" "$targetdir" + rm -rf "$tempdir" +fi |