update-conf.in 2.07 KB
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#!/bin/sh

PREFIX=
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VERSION=@VERSION@

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. $PREFIX/lib/libalpine.sh

# set up temp dir
init_tmpdir TMPD

LBUCACHE="$TMPD/lbucache"

usage() {
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	cat >&2 <<-__EOF__
		$PROGRAM $VERSION
		Usage: $PROGRAM [-a|--all] [-i|--initd] [-l|--list] [-h|--help]
		Options:
		  -a, --all    Select all updated files
		  -i, --initd  Use all new init.d scripts
		  -l, --list   List updated files
		  -h, --help   Show this help

	__EOF__
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}


is_modified() {
	[ -f "$LBUCACHE" ] || lbu status -a | awk '{print $2}' > "$LBUCACHE"
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	test -n "$( ( echo "$1" ; cat "$LBUCACHE" ) | sort | uniq -d)"
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}

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is_initd() {
	echo "$1" | grep etc/init.d/ > /dev/null
}

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args=$(getopt -o ailh --long all,initd,list,help -n "$PROGRAM" -- "$@")
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if [ $? -ne 0 ]; then
	usage
	exit 2
fi
eval set -- "$args"
while true; do
	case $1 in
		-a|--all) aflag="-a";;
		-i|--initd) iflag="-i";;
		-l|--list) lflag="-l";;
		-h|--help) usage; exit;;
		--) shift; break;;
		*) exit 1;; # getopt error
	esac
	shift
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done

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if which vimdiff >/dev/null; then
	vflag=", Vimdiff old new"
	vflag2="/v"
fi

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for apknew in $(find "$ROOT/etc" -name '*.apk-new') ; do
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	p="${apknew%.apk-new}"
	f="${p#${ROOT}/}"
	unset choice

	if [ "$lflag" ] ; then
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		# just list the file
		if [ "$aflag" ] || is_modified "$f" ; then
			echo "$p"
		fi
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	elif [ "$aflag" ] || is_modified "$f" ; then
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		if [ "$iflag" ] && is_initd "$f" ; then
			echo "Autoupdating $p"
			mv "$apknew" "$p"
			continue
		fi
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		diff -u "$p" "$apknew"

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		# ask user what to do with the file
		while [ -z "$choice" ] ; do
			echo "New $p available:"
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			echon "Quit, Next, Show diff, Edit new${vflag}, Zap new, Use new (q/n/s/e${vflag2}/z/u) [s]: "
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			default_read choice "s" </dev/tty
			case "$choice" in
				q) exit;;
				n) continue;;
				s) diff -u "$p" "$apknew" | ${PAGER:-less}
				   unset choice
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				   ;;
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				e) ${EDITOR:-vi} "$apknew" ; unset choice;;
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				v) if [ "$vflag" ]; then
					vimdiff "$p" "$apknew"
				   fi
				   unset choice;;
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				z) rm "$apknew";;
				u) mv "$apknew" "$p";;
				*) unset choice;;
			esac
		done
	else
		# auto update
		echo "Autoupdating unchanged $p"
		mv "$apknew" "$p"
	fi
done