bin/backup-rpm

   1 #! /bin/bash
   2 set -ex
   3 set -o pipefail
   4 t=/tmp/backup-rpm.$$
   5 trap "rm -rf $t" EXIT
   6 rm -rf $t
   7 mkdir $t
   8 cd $t
   9 mkdir $t/tmp
  10 rpm -qa|sort >$t/tmp/rpm-qa
  11 rpm -qal|sort -u|grep -v '^(contains no files)$' >$t/tmp/rpm-qal
  12 (set +e;rpm -Va|sed 's#^[^/]*##' >$t/tmp/rpm-Va)
  13 pattern="`tr '\n' '|' <<HERE|sed 's/|$//'
  14 /boot/
  15 /dev/
  16 /etc/rc[.]d/rc[0-9][.]d/
  17 /lib/modules/[^/]*/modules[.]
  18 /root/
  19 /home/
  20 /tmp/
  21 /usr/lib/perl5/
  22 /usr/src/redhat/
  23 /var/cache/
  24 /var/lib/rpm/
  25 /var/log/
  26 /var/run/
  27 /var/spool/
  28 /var/lock/
  29 /usr/share/ntop/
  30 /usr/lib/locale/locale-archive
  31 /var/lib/slocate/slocate.db
  32 /usr/share/man/
  33 /etc/aliases.db
  34 /var/tmp/
  35 /etc/prelink.cache
  36 /etc/sgml/
  37 /usr/include/tags
  38 /usr/lib/IPTables-IPv4/
  39 /usr/lib/python2.3/
  40 /usr/lib/rpmdb
  41 /usr/share/texmf/
  42 /usr/share/yum-cli
  43 /var/db/nscd/
  44 HERE
  45 `"
  46 (
  47         (find / -xdev -print -type d -print;cat $t/tmp/rpm-qal)|sort|uniq -u
  48         cat $t/tmp/rpm-Va
  49         while read -r file;do
  50                 # cpio(1) needs "./bin/bash" pattern.
  51                 rpm="$(for dir in /var/cache/yum /usr/src/redhat/RPMS /root/arch;do
  52                         find $dir -name "`rpm -qf "$file"`.*.rpm"
  53                         done|grep -v '[.]src[.]rpm$')"
  54                 echo "$rpm"|grep -qv ' '
  55                 rpm2cpio "$rpm"|cpio -id --no-absolute-filenames ."$file"
  56                 mv ."$file" ."$file"-orig
  57                 (set +e;diff -u ."$file"-orig "$file" >."$file".patch)
  58                 echo ."$file"-orig
  59                 echo ."$file".patch
  60                 done <$t/tmp/rpm-Va
  61         ) \
  62         |grep --perl-regexp -v -e "^($pattern)" \
  63         |(echo $t/tmp/rpm-qa;cat) \
  64         |sort -u ###|sed 's#^/##'|(cd /;set +e;xargs tar cf -)
  65 echo SUCCESS