febootstrap-minimize.sh

   1 #!/bin/bash -
   2 # febootstrap minimize
   3 # (C) Copyright 2009 Red Hat Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 #
  19 # Written by Richard W.M. Jones <rjones@redhat.com>
  20
  21 TEMP=`getopt \
  22         -o '' \
  23         --long help,all,none,keep-locales,drop-locales,keep-docs,drop-docs,keep-cracklib,drop-cracklib,keep-i18n,drop-i18n,keep-zoneinfo,drop-zoneinfo,keep-rpmdb,drop-rpmdb,keep-yum-cache,drop-yum-cache,keep-services,drop-services,keep-sln,drop-sln,keep-ldconfig,drop-ldconfig \
  24         -n febootstrap-minimize -- "$@"`
  25 if [ $? != 0 ]; then
  26     echo "febootstrap-minimize: problem parsing the command line arguments"
  27     exit 1
  28 fi
  29 eval set -- "$TEMP"
  30
  31 set_all ()
  32 {
  33   keep_locales=no
  34      keep_docs=no
  35  keep_cracklib=no
  36      keep_i18n=no
  37  keep_zoneinfo=no
  38     keep_rpmdb=no
  39 keep_yum_cache=no
  40  keep_services=no
  41       keep_sln=no
  42  keep_ldconfig=no
  43 }
  44
  45 set_none ()
  46 {
  47   keep_locales=yes
  48      keep_docs=yes
  49  keep_cracklib=yes
  50      keep_i18n=yes
  51  keep_zoneinfo=yes
  52     keep_rpmdb=yes
  53 keep_yum_cache=yes
  54  keep_services=yes
  55       keep_sln=yes
  56  keep_ldconfig=yes
  57 }
  58
  59 set_all
  60
  61 usage ()
  62 {
  63     echo "Usage: febootstrap-minimize [--options] DIR"
  64     echo "Please read febootstrap-minimize(8) man page for more information."
  65 }
  66
  67 while true; do
  68     case "$1" in
  69         --all)
  70             set_all
  71             shift;;
  72         --none)
  73             set_none
  74             shift;;
  75         --keep-locales)
  76             keep_locales=yes
  77             shift;;
  78         --drop-locales)
  79             keep_locales=no
  80             shift;;
  81         --keep-docs)
  82             keep_docs=yes
  83             shift;;
  84         --drop-docs)
  85             keep_docs=no
  86             shift;;
  87         --keep-cracklib)
  88             keep_cracklib=yes
  89             shift;;
  90         --drop-cracklib)
  91             keep_cracklib=no
  92             shift;;
  93         --keep-i18n)
  94             keep_i18n=yes
  95             shift;;
  96         --drop-i18n)
  97             keep_i18n=no
  98             shift;;
  99         --keep-zoneinfo)
 100             keep_zoneinfo=yes
 101             shift;;
 102         --drop-zoneinfo)
 103             keep_zoneinfo=no
 104             shift;;
 105         --keep-rpmdb)
 106             keep_rpmdb=yes
 107             shift;;
 108         --drop-rpmdb)
 109             keep_rpmdb=no
 110             shift;;
 111         --keep-yum-cache)
 112             keep_yum_cache=yes
 113             shift;;
 114         --drop-yum-cache)
 115             keep_yum_cache=no
 116             shift;;
 117         --keep-services)
 118             keep_services=yes
 119             shift;;
 120         --drop-services)
 121             keep_services=no
 122             shift;;
 123         --keep-sln)
 124             keep_sln=yes
 125             shift;;
 126         --drop-sln)
 127             keep_sln=no
 128             shift;;
 129         --keep-ldconfig)
 130             keep_ldconfig=yes
 131             shift;;
 132         --drop-ldconfig)
 133             keep_ldconfig=no
 134             shift;;
 135         --help)
 136             usage
 137             exit 0;;
 138         --)
 139             shift
 140             break;;
 141         *)
 142             echo "Internal error!"
 143             exit 1;;
 144     esac
 145 done
 146
 147 if [ $# -lt 1 ]; then
 148     usage
 149     exit 1
 150 fi
 151
 152 target="$1"
 153
 154 #----------------------------------------------------------------------
 155
 156 if [ ! -d "$target" ]; then
 157     echo "febootstrap-minimize: $target: target directory not found"
 158     exit 1
 159 fi
 160
 161 #du -sh "$target"
 162
 163 if [ "$keep_locales" != "yes" ]; then
 164     rm -f "$target"/usr/lib/locale/*
 165     rm -rf "$target"/usr/share/locale
 166     rm -rf "$target"/usr/lib*/gconv
 167     rm -f "$target"/usr/bin/localedef
 168     rm -f "$target"/usr/sbin/build-locale-archive
 169 fi
 170
 171 if [ "$keep_docs" != "yes" ]; then
 172     rm -rf "$target"/usr/share/man
 173     rm -rf "$target"/usr/share/doc
 174     rm -rf "$target"/usr/share/info
 175 fi
 176
 177 if [ "$keep_cracklib" != "yes" ]; then
 178     rm -rf "$target"/usr/share/cracklib
 179 fi
 180
 181 if [ "$keep_i18n" != "yes" ]; then
 182     rm -rf "$target"/usr/share/i18n
 183 fi
 184
 185 if [ "$keep_zoneinfo" != "yes" ]; then
 186     mv "$target"/usr/share/zoneinfo/{UCT,UTC,Universal,Zulu,GMT*,*.tab} \
 187       "$target"
 188     rm -rf "$target"/usr/share/zoneinfo/*
 189     mv "$target"/{UCT,UTC,Universal,Zulu,GMT*,*.tab} \
 190       "$target"/usr/share/zoneinfo/
 191 fi
 192
 193 if [ "$keep_rpmdb" != "yes" ]; then
 194     rm -rf "$target"/var/lib/rpm/*
 195 fi
 196
 197 if [ "$keep_yum_cache" != "yes" ]; then
 198     rm -rf "$target"/var/cache/yum/*
 199 fi
 200
 201 if [ "$keep_services" != "yes" ]; then
 202     rm -f "$target"/etc/services
 203     cat > "$target"/etc/services <<'__EOF__'
 204 tcpmux 1/tcp
 205 tcpmux 1/udp
 206 echo 7/tcp
 207 echo 7/udp
 208 discard 9/tcp sink null
 209 discard 9/udp sink null
 210 ftp 21/tcp
 211 ftp 21/udp fsp fspd
 212 ssh 22/tcp
 213 ssh 22/udp
 214 telnet 23/tcp
 215 telnet 23/udp
 216 smtp 25/tcp mail
 217 smtp 25/udp mail
 218 time 37/tcp timserver
 219 time 37/udp timserver
 220 nameserver 42/tcp name
 221 nameserver 42/udp name
 222 domain 53/tcp
 223 domain 53/udp
 224 bootps 67/tcp
 225 bootps 67/udp
 226 bootpc 68/tcp dhcpc
 227 bootpc 68/udp dhcpc
 228 tftp 69/tcp
 229 tftp 69/udp
 230 finger 79/tcp
 231 finger 79/udp
 232 http 80/tcp www www-http
 233 http 80/udp www www-http
 234 http 80/sctp
 235 kerberos 88/tcp kerberos5 krb5
 236 kerberos 88/udp kerberos5 krb5
 237 pop3 110/tcp pop-3
 238 pop3 110/udp pop-3
 239 sunrpc 111/tcp portmapper rpcbind
 240 sunrpc 111/udp portmapper rpcbind
 241 auth 113/tcp authentication tap ident
 242 auth 113/udp authentication tap ident
 243 ntp 123/tcp
 244 ntp 123/udp
 245 imap 143/tcp imap2
 246 imap 143/udp imap2
 247 snmp 161/tcp
 248 snmp 161/udp
 249 snmptrap 162/tcp
 250 snmptrap 162/udp snmp-trap
 251 __EOF__
 252 fi
 253
 254 if [ "$keep_sln" != "yes" ]; then
 255     rm -f "$target"/sbin/sln
 256 fi
 257
 258 if [ "$keep_ldconfig" != "yes" ]; then
 259     rm -f "$target"/sbin/ldconfig
 260     rm -f "$target"/etc/ld.so.cache
 261     rm -rf "$target"/var/cache/ldconfig/*
 262 fi