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# 29 30set -e 31 32trap "umount /cfg" 1 2 15 EXIT 33mount /cfg 34( 35cd /etc 36for filename in "$@" `find * -type f` 37do 38 if [ ! -f /cfg/$filename -a ! -f /cfg/.ignore/$filename ] 39 then 40 41 # 42 # If file doesn't exist in /cfg and file is not in the 'ignore' list 43 # then check if this file is exactly the same as original file 44 # in nanobsd image 45 # 46 if ! cmp -s /etc/$filename /conf/base/etc/$filename 47 then 48 file_path=`echo "$filename" | sed 's/\/[^/]*$//'` 49 if [ $file_path != $filename ] 50 then 51 if [ ! -d /etc/$file_path ] 52 then 53 # should never go here unless we have some errors in 54 # sed script extracting file path 55 echo "Error: Path /etc/$file_path is not directory." 56 exit 1; 57 fi 58 fi 59 60 # 61 # Ask user - how should we handle this file. 62 # Add to cfg (y/n/i)? 63 # y) -> save this file in /cfg 64 # n) -> do not save this file in /cfg for current script invocation ONLY 65 # i) -> add file to ignore list (/cfg/.ignore hiereachy) and never save 66 # try to add this file to /cfg. 67 # 68 # touch is used to add files to /cfg to keep the script flow straight and easy 69 # 70 read -p "New file /etc/$filename found. Add to /cfg (y/n/i)? " key 71 case "$key" in 72 [yY]) 73 if [ $file_path != $filename ] 74 then 75 mkdir -vp /cfg/$file_path 76 fi 77 touch /cfg/$filename && echo "File /etc/$filename added to /cfg." 78 ;; 79 [iI]) 80 mkdir -vp /cfg/.ignore 81 if [ $file_path != $filename ] 82 then 83 mkdir -vp /cfg/.ignore/$file_path 84 fi 85 touch /cfg/.ignore/$filename && echo "File /etc/$filename added to ignore list." 86 ;; 87 esac 88 fi 89 fi 90done 91 92# 93# Actually check all files in /cfg and save if necessary 94# 95cd /cfg 96for filename in "$@" `find * -type f` 97do 98 if [ -f /etc/$filename ] 99 then 100 cmp -s /etc/$filename /cfg/$filename || cp -pfv /etc/$filename /cfg/$filename 101 else 102 103 # 104 # Give user an option to remove file from /cfg if this file is removed from /etc 105 # 106 read -p "File /cfg/$filename not found in /etc. Remove from /cfg (y/n)? " key 107 case "$key" in 108 [yY]) 109 rm /cfg/$filename && echo "File /cfg/$filename removed" 110 ;; 111 esac 112 fi 113done 114 115) 116umount /cfg 117trap 1 2 15 EXIT 118