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 unset CDPATH
  22
  23 TEMP=`getopt \
  24         -o '' \
  25         --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 \
  26         -n febootstrap-minimize -- "$@"`
  27 if [ $? != 0 ]; then
  28     echo "febootstrap-minimize: problem parsing the command line arguments"
  29     exit 1
  30 fi
  31 eval set -- "$TEMP"
  32
  33 set_all ()
  34 {
  35   keep_locales=no
  36      keep_docs=no
  37  keep_cracklib=no
  38      keep_i18n=no
  39  keep_zoneinfo=no
  40     keep_rpmdb=no
  41 keep_yum_cache=no
  42  keep_services=no
  43       keep_sln=no
  44  keep_ldconfig=no
  45 }
  46
  47 set_none ()
  48 {
  49   keep_locales=yes
  50      keep_docs=yes
  51  keep_cracklib=yes
  52      keep_i18n=yes
  53  keep_zoneinfo=yes
  54     keep_rpmdb=yes
  55 keep_yum_cache=yes
  56  keep_services=yes
  57       keep_sln=yes
  58  keep_ldconfig=yes
  59 }
  60
  61 set_all
  62
  63 usage ()
  64 {
  65     echo "Usage: febootstrap-minimize [--options] DIR"
  66     echo "Please read febootstrap-minimize(8) man page for more information."
  67 }
  68
  69 while true; do
  70     case "$1" in
  71         --all)
  72             set_all
  73             shift;;
  74         --none)
  75             set_none
  76             shift;;
  77         --keep-locales)
  78             keep_locales=yes
  79             shift;;
  80         --drop-locales)
  81             keep_locales=no
  82             shift;;
  83         --keep-docs)
  84             keep_docs=yes
  85             shift;;
  86         --drop-docs)
  87             keep_docs=no
  88             shift;;
  89         --keep-cracklib)
  90             keep_cracklib=yes
  91             shift;;
  92         --drop-cracklib)
  93             keep_cracklib=no
  94             shift;;
  95         --keep-i18n)
  96             keep_i18n=yes
  97             shift;;
  98         --drop-i18n)
  99             keep_i18n=no
 100             shift;;
 101         --keep-zoneinfo)
 102             keep_zoneinfo=yes
 103             shift;;
 104         --drop-zoneinfo)
 105             keep_zoneinfo=no
 106             shift;;
 107         --keep-rpmdb)
 108             keep_rpmdb=yes
 109             shift;;
 110         --drop-rpmdb)
 111             keep_rpmdb=no
 112             shift;;
 113         --keep-yum-cache)
 114             keep_yum_cache=yes
 115             shift;;
 116         --drop-yum-cache)
 117             keep_yum_cache=no
 118             shift;;
 119         --keep-services)
 120             keep_services=yes
 121             shift;;
 122         --drop-services)
 123             keep_services=no
 124             shift;;
 125         --keep-sln)
 126             keep_sln=yes
 127             shift;;
 128         --drop-sln)
 129             keep_sln=no
 130             shift;;
 131         --keep-ldconfig)
 132             keep_ldconfig=yes
 133             shift;;
 134         --drop-ldconfig)
 135             keep_ldconfig=no
 136             shift;;
 137         --help)
 138             usage
 139             exit 0;;
 140         --)
 141             shift
 142             break;;
 143         *)
 144             echo "Internal error!"
 145             exit 1;;
 146     esac
 147 done
 148
 149 if [ $# -lt 1 ]; then
 150     usage
 151     exit 1
 152 fi
 153
 154 target="$1"
 155
 156 if [ ! -d "$target" ]; then
 157     echo "febootstrap-minimize: $target: target directory not found"
 158     exit 1
 159 fi
 160
 161 # Create a temporary directory, make sure it gets cleaned up at the end.
 162 tmpdir=$(mktemp -d)
 163 remove_tmpdir ()
 164 {
 165   status=$?
 166   rm -rf "$tmpdir" && exit $status
 167 }
 168 trap remove_tmpdir EXIT
 169
 170 #----------------------------------------------------------------------
 171
 172 # ***NOTE*** Wildcards cannot be passed to febootstrap-run.
 173
 174 if [ "$keep_locales" != "yes" ]; then
 175     febootstrap-run "$target" -- rm -rf usr/lib/locale
 176     febootstrap-run "$target" -- rm -rf usr/share/locale
 177     febootstrap-run "$target" -- rm -rf usr/lib/gconv usr/lib64/gconv
 178     febootstrap-run "$target" -- rm -f usr/bin/localedef
 179     febootstrap-run "$target" -- rm -f usr/sbin/build-locale-archive
 180 fi
 181
 182 if [ "$keep_docs" != "yes" ]; then
 183     febootstrap-run "$target" -- rm -rf usr/share/man
 184     febootstrap-run "$target" -- rm -rf usr/share/doc
 185     febootstrap-run "$target" -- rm -rf usr/share/info
 186     febootstrap-run "$target" -- rm -rf usr/share/gnome/help
 187 fi
 188
 189 if [ "$keep_cracklib" != "yes" ]; then
 190     febootstrap-run "$target" -- rm -rf usr/share/cracklib
 191 fi
 192
 193 if [ "$keep_i18n" != "yes" ]; then
 194     febootstrap-run "$target" -- rm -rf usr/share/i18n
 195 fi
 196
 197 if [ "$keep_zoneinfo" != "yes" ]; then
 198     mv "$target"/usr/share/zoneinfo/{UCT,UTC,Universal,Zulu,GMT*,*.tab} \
 199       "$target"
 200     febootstrap-run "$target" -- rm -rf usr/share/zoneinfo
 201     febootstrap-run "$target" -- mkdir -p --mode=0755 usr/share/zoneinfo
 202     mv "$target"/{UCT,UTC,Universal,Zulu,GMT*,*.tab} \
 203       "$target"/usr/share/zoneinfo/
 204 fi
 205
 206 if [ "$keep_rpmdb" != "yes" ]; then
 207     febootstrap-run "$target" -- rm -rf var/lib/rpm
 208     febootstrap-run "$target" -- mkdir -p --mode=0755 var/lib/rpm
 209     febootstrap-run "$target" -- rm -rf var/lib/yum
 210     febootstrap-run "$target" -- mkdir -p --mode=0755 var/lib/yum
 211 fi
 212
 213 if [ "$keep_yum_cache" != "yes" ]; then
 214     febootstrap-run "$target" -- rm -rf var/cache/yum
 215     febootstrap-run "$target" -- mkdir -p --mode=0755 var/cache/yum
 216 fi
 217
 218 if [ "$keep_services" != "yes" ]; then
 219     # NB: Overwrite the same file so that we have the same inode,
 220     # since fakeroot tracks files by inode number.
 221     cat > "$target"/etc/services <<'__EOF__'
 222 tcpmux 1/tcp
 223 tcpmux 1/udp
 224 echo 7/tcp
 225 echo 7/udp
 226 discard 9/tcp sink null
 227 discard 9/udp sink null
 228 ftp 21/tcp
 229 ftp 21/udp fsp fspd
 230 ssh 22/tcp
 231 ssh 22/udp
 232 telnet 23/tcp
 233 telnet 23/udp
 234 smtp 25/tcp mail
 235 smtp 25/udp mail
 236 time 37/tcp timserver
 237 time 37/udp timserver
 238 nameserver 42/tcp name
 239 nameserver 42/udp name
 240 domain 53/tcp
 241 domain 53/udp
 242 bootps 67/tcp
 243 bootps 67/udp
 244 bootpc 68/tcp dhcpc
 245 bootpc 68/udp dhcpc
 246 tftp 69/tcp
 247 tftp 69/udp
 248 finger 79/tcp
 249 finger 79/udp
 250 http 80/tcp www www-http
 251 http 80/udp www www-http
 252 http 80/sctp
 253 kerberos 88/tcp kerberos5 krb5
 254 kerberos 88/udp kerberos5 krb5
 255 pop3 110/tcp pop-3
 256 pop3 110/udp pop-3
 257 sunrpc 111/tcp portmapper rpcbind
 258 sunrpc 111/udp portmapper rpcbind
 259 auth 113/tcp authentication tap ident
 260 auth 113/udp authentication tap ident
 261 ntp 123/tcp
 262 ntp 123/udp
 263 imap 143/tcp imap2
 264 imap 143/udp imap2
 265 snmp 161/tcp
 266 snmp 161/udp
 267 snmptrap 162/tcp
 268 snmptrap 162/udp snmp-trap
 269 __EOF__
 270 fi
 271
 272 if [ "$keep_sln" != "yes" ]; then
 273     febootstrap-run "$target" -- rm -f sbin/sln
 274 fi
 275
 276 if [ "$keep_ldconfig" != "yes" ]; then
 277     febootstrap-run "$target" -- rm -f sbin/ldconfig
 278     febootstrap-run "$target" -- rm -f etc/ld.so.cache
 279     febootstrap-run "$target" -- rm -rf var/cache/ldconfig
 280     febootstrap-run "$target" -- mkdir -p --mode=0755 var/cache/ldconfig
 281 fi