1#!/bin/sh 2# 3# Copyright (c) 2006 Mathieu Arnold 4# Copyright (c) 2010 Alex Bakhtin 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28# $FreeBSD$ 29# 30 31set -e 32 33trap "umount /cfg" 1 2 15 EXIT 34mount /cfg 35( 36cd /etc 37for filename in "$@" `find * -type f` 38do 39 if [ ! -f /cfg/$filename -a ! -f /cfg/.ignore/$filename ] 40 then 41 42 # 43 # If file doesn't exist in /cfg and file is not in the 'ignore' list 44 # then check if this file is exactly the same as original file 45 # in nanobsd image 46 # 47 if ! cmp -s /etc/$filename /conf/base/etc/$filename 48 then 49 file_path=`echo "$filename" | sed 's/\/[^/]*$//'` 50 if [ $file_path != $filename ] 51 then 52 if [ ! -d /etc/$file_path ] 53 then 54 # should never go here unless we have some errors in 55 # sed script extracting file path 56 echo "Error: Path /etc/$file_path is not directory." 57 exit 1; 58 fi 59 fi 60 61 # 62 # Ask user - how should we handle this file. 63 # Add to cfg (y/n/i)? 64 # y) -> save this file in /cfg 65 # n) -> do not save this file in /cfg for current script invocation ONLY 66 # i) -> add file to ignore list (/cfg/.ignore hiereachy) and never save 67 # try to add this file to /cfg. 68 # 69 # touch is used to add files to /cfg to keep the script flow straight and easy 70 # 71 read -p "New file /etc/$filename found. Add to /cfg (y/n/i)? " key 72 case "$key" in 73 [yY]) 74 if [ $file_path != $filename ] 75 then 76 mkdir -vp /cfg/$file_path 77 fi 78 touch /cfg/$filename && echo "File /etc/$filename added to /cfg." 79 ;; 80 [iI]) 81 mkdir -vp /cfg/.ignore 82 if [ $file_path != $filename ] 83 then 84 mkdir -vp /cfg/.ignore/$file_path 85 fi 86 touch /cfg/.ignore/$filename && echo "File /etc/$filename added to ignore list." 87 ;; 88 esac 89 fi 90 fi 91done 92 93# 94# Actually check all files in /cfg and save if necessary 95# 96cd /cfg 97for filename in "$@" `find * -type f` 98do 99 if [ -f /etc/$filename ] 100 then 101 cmp -s /etc/$filename /cfg/$filename || cp -pfv /etc/$filename /cfg/$filename 102 else 103 104 # 105 # Give user an option to remove file from /cfg if this file is removed from /etc 106 # 107 read -p "File /cfg/$filename not found in /etc. Remove from /cfg (y/n)? " key 108 case "$key" in 109 [yY]) 110 rm /cfg/$filename && echo "File /cfg/$filename removed" 111 ;; 112 esac 113 fi 114done 115 116) 117umount /cfg 118trap 1 2 15 EXIT 119