1 # Ivan 'ico' Rako <irako@srce.hr>
2 # Zoran 'jelly' Dzelajlija <jelly@srce.hr>
5 LC_MESSAGES=hr_HR dialog --backtitle "$title" --msgbox "$*" 18 75
9 LC_MESSAGES=hr_HR dialog --backtitle "$title" --yesno "$msg_first_warning" 18 75
11 log "Upgrade canceled."
18 dpkg -l "$1" 2> /dev/null | egrep -q "^.i" || return 1
19 [ -z "$2" ] && return 0
20 version=$(dpkg -s "$1" | awk '/^Version:/ {print $2}')
21 dpkg --compare-versions "$version" "$2" "$3" 2>&1 > /dev/null
25 logfile=${logfile:=/var/log/carnet-upgrade.log}
27 echo "$(date +'%Y-%m-%d %H:%M:%S') $*" >> $logfile
31 # find first free uid/gid in range
32 # find_id passwd 100 999
34 local i db first last ids
38 ids=$(getent $db | awk -F: "\$3 >= $first && \$3 <= $last {print \$3}")
39 for i in $(seq $first $last)
41 if ! echo $ids | grep -q $i; then
51 [ "$DEBIAN_SCRIPT_DEBUG" ] && set -vx
60 [ -e "$i" ] || continue
61 egrep -q "$s" "$i" || continue
62 [ -h "$i" ] && i=$(readlink -f "$i")
63 sed "$sedcmd" "$i" > "$i.dpkg-tmp"
64 chown --reference "$i" "$i.dpkg-tmp"
65 chmod --reference "$i" "$i.dpkg-tmp"
69 if [ "$ret" -eq 0 ]; then
70 log "Done \"$sedcmd\" to $*"
76 # Update uid for user from reserved system range (0-99) to dynamic system
77 # range (100-999). Optionally update ownerships of given directories.
78 # $0 user [directory ...]
80 check_and_update_ugid() {
81 local user newgid newuid
83 if [ "$(getent passwd $user | awk -F: '$3 >= 100 {print "ok"; exit 0}')" ]; then
87 newgid=$(find_id group 100 999)
88 newuid=$(find_id passwd 100 999)
89 # other directories/files
90 chown -R $newuid:$newgid $*
91 groupmod -g $newgid $user
92 usermod -u $newuid -g $newgid $user
93 log "Fixed $user user uid/gid."
97 [ -n "$*" ] || return 0
98 log "Installing $* ..."
99 apt-get -y$s install $* || {
102 apt-get -y$s install $*
107 [ -n "$*" ] || return 0
108 log "Removing $* ..."
109 apt-get -y$s --purge remove $* || {
112 apt-get -y$s --purge remove $*
117 log "Running apt-get update ..."
118 apt-get -y$s update || {
126 log "Running apt-get download ..."
127 apt-get -dy$s dist-upgrade
131 log "Running dist-upgrade ..."
132 apt-get -y$s dist-upgrade || {
134 apt-get -y$s dist-upgrade
139 LC_MESSAGES=hr_HR dialog --backtitle "$title" --yesno "$msg_remove_x" 18 75
140 if [ $? -eq 0 ]; then
141 log "Removing X Window System"
144 log "Skipping X Window System removal"
149 local to_remove add_this i j n text to_show cmd tmpfile installed
150 local update_selections pkgs_to_deselect pkgs_to_remove oldifs pkglist
151 text="$msg_remove_bloat"
153 [ "$DEBUG" ] && set -x
155 pkglist=$(mktemp /var/lib/carnet-upgrade/pkglist.XXXXXX)
156 COLUMNS=200 dpkg -l | awk '$1 ~ /^.i/ { print $2 }' > $pkglist
157 for i in $(echo "$bloats" | sed 's/ */ /g'| awk -F' ' '{print $2}')
159 if grep -q "^$i$" $pkglist; then
160 installed="$installed $i"
161 add_this="$(echo "$bloats" | egrep " .*\b${i}\b" | sed 's/ */ /g'| awk -F' ' '{print $1}')"
162 if ! echo "$to_show" | grep -q "$add_this"; then
163 to_show="$to_show \"$add_this\" \"\" on"
168 [ "$DEBUG" ] || rm -f $pkglist
169 [ -z "$to_show" ] && return 0
171 tmpfile=$(mktemp /var/lib/carnet-upgrade/dialog-tmp.XXXXXX)
172 cmd="LC_MESSAGES=hr_HR dialog --nocancel --backtitle \""$title"\" --checklist \""$text"\" 20 75 $n $to_show"
173 [ "$DEBUG" ] && set +x
174 eval $cmd 2> $tmpfile
175 [ "$DEBUG" ] && set -x
176 to_remove="$(cat $tmpfile | sed 's/\"\ \"/ /g; s/\"\ *//g; s/\\//g')"
177 [ "$DEBUG" ] || rm -f $tmpfile
178 [ "$DEBUG" ] && echo "DEBUG: to_remove=$to_remove" 1>&2
181 for i in $(echo "$to_remove")
184 for j in $(echo "$bloats" | grep "^$i" | sed 's/ */ /g'| awk -F' ' '{print $2}')
186 # hopefully this will tell apt not to reinstall them at upgrade time
187 update_selections="${update_selections}
189 pkgs_to_deselect="$pkgs_to_deselect $j"
190 # only remove those that really are installed
191 if echo "$installed" | grep -q "$j"; then
192 pkgs_to_remove="$pkgs_to_remove $j"
196 [ "$DEBUG" ] && echo "DEBUG: pkgs_to_remove=$pkgs_to_remove" 1>&2
197 # Finally, remove those
198 if [ -n "$update_selections" ]; then
199 echo "$update_selections" | dpkg --set-selections
200 log "Deselected:${pkgs_to_deselect}"
202 eval pkgrm $pkgs_to_remove
206 touch "$post_upgrade_queuetab"
207 if ! grep -q "true $*" "$post_upgrade_queuetab"; then
208 echo "true $*" >> "$post_upgrade_queuetab"
213 if [ -f "$post_upgrade_queuetab" ]; then
214 run_actions post_upgrade "$post_upgrade_queuetab"
215 mv "$post_upgrade_queuetab" "${post_upgrade_queuetab}.done.$(date '+%Y-%m-%d.%H:%M:%S')"
222 local line lineno lineno2 f n name action checkmsg check
223 [ "$DEBUG" ] && set -vx
226 [ -f "$f" ] || return 2 # no such file
227 n=$(wc -l "$f" | awk '{print $1}')
228 [ "$n" -lt 1 ] && return 1 # no lines to process
229 log "run_actions ($name) started, processing $n lines from \"$f\"."
233 while [ "$lineno" -lt "$n" ]
235 lineno=$(($lineno+1))
237 line=$(head -$lineno "$f" | tail -1)
238 if echo $line | grep -q '^#'; then # comment
241 while echo "$line" | egrep -q '\\$' # continuation
243 lineno2=$(($lineno2+1))
244 line=$(echo -n "$line"| sed 's/\\$//'; head -$lineno2 "$f" | tail -1)
246 check=$(echo "$line" | sed 's/ */ /g'| awk -F' ' '{print $1}')
247 action=$(echo "$line" | sed 's/ */ /g'| awk -F' ' '{print $2}')
249 [ "$check" != "true" ] && checkmsg="if '$check'"
251 log "$(printf 'action %02d' $lineno) starting: '${action}' $checkmsg "
252 if ! eval $action; then
253 log "$(printf 'action %02d' $lineno) failed: '${action}' $checkmsg "
254 display_action_failure "$action"
257 log "$(printf 'action %02d' $lineno) finished: '${action}' $checkmsg"
260 log "$(printf 'action %02d' $lineno) skipping: '${action}' $checkmsg"
262 [ "$lineno2" -gt "$lineno" ] && lineno=$lineno2
264 log "run_actions ($1) finished"
268 # report action failure
269 display_action_failure () {
273 Doslo je do greske prilikom izvrsavanja akcije '$action'. Detalje problema moguce je vidjeti u log datotekama:
275 /var/log/carnet-upgrade.log
276 /var/log/carnet-upgrade.typescript
278 Da bi dovrsili zapocete operacije nad paketima pokrenite:
280 # dpkg --configure -a
283 Nakon toga ponovno pozovite carnet-upgrade skriptu."
286 # funkcija vraca popis paketa koje treba upgradeati
288 local IFSOLD name version package
290 for package in `echo "$needed_versions" | awk '{print $1}'| grep -v ^$`; do
293 read name version <<-EOPTS
294 $(echo "$needed_versions" | sed 's/ */ /g' | grep ^$package)
297 if pkg "$name" lt "$version"; then
303 # funkcija za ispis paketa koje treba upgradeati
306 upgrade=${1:-"`what_upgrade`"}
308 if [ "$upgrade" ]; then
310 Prije prelaska na Debian Etch potrebno je napraviti nadogradnju ovih paketa:
315 # apt-get dist-upgrade
318 # apt-get install${upgrade}
320 Nakon toga ponovno pozovite ovu skriptu."
321 log "carnet-upgrade aborted, upgrade of$upgrade needed."
326 # update sarge urls in sources list
327 fix_sarge_sources () {
328 local apt_sources='/etc/apt/sources.list'
329 local fixed_sources=$(mktemp /var/lib/carnet-upgrade/sources.list.XXXXXX)
331 # sarge (oldstable) was archived recently -> sources.list needs update
332 awk -v archive='http://archive.debian.org/debian' \
333 -v security='http://archive.debian.org/debian-security' \
334 '$3 == "sarge" && $2 ~ /[/]debian$/ { $2 = archive }
335 $3 == "sarge/updates" && $2 ~ /security\.debian\.org$/ { $2 = security }
336 { print }' $apt_sources > $fixed_sources
338 # did anything get updated
339 if ! cmp $apt_sources $fixed_sources >/dev/null; then
340 log "sources.list fixed to use archive.debian.org"
342 # backup current version
343 if [ ! -f "$apt_sources.$backup_ext.sarge" ]; then
344 cp -av $apt_sources "$apt_sources.$backup_ext.sarge"
347 # install fixed version
348 cp -av $fixed_sources $apt_sources
355 # try to check if we are using the latest version of carnet-upgrade script
356 check_my_version () {
357 local packages latest_version
359 packages=$(mktemp /var/lib/carnet-upgrade/Packages.XXXXXX)
360 if wget -q -O$packages $packages_uri; then
361 latest_version=$(sed -ne \
362 '/Package: carnet-upgrade/,/Description:/{ /Version: /s///p }' \
366 if [ "$latest_version" ]; then
367 log "Running carnet-upgrade version is $version"
368 log "Latest carnet-upgrade version is $latest_version"
369 if dpkg --compare-versions "$version" lt "$latest_version"; then
370 check_upgrade " carnet-upgrade"
371 else log "Already using the latest carnet-upgrade version."; fi
372 else log "Failed to get latest version, skipping check."; fi
373 else log "Failed to download Packages file, skipping check."; fi
378 # if apache is installed make sure it's version 2
379 check_apache_version () {
381 if pkg apache-cn && ! pkg apache2-cn; then
383 Prije prelaska na Debian Etch potrebno je napraviti nadogradnju sa Apache 1.3 na Apache 2.0.
387 # apt-get install apache2-cn
389 Nakon toga ponovno pozovite ovu skriptu."
390 log "carnet-upgrade aborted, upgrade to apache2-cn needed."
395 # if grsec is installed make sure it is fresh
396 check_grsec_kernel () {
399 log "Kernel version: $ver"
400 if [ "$ver" = "${ver%-grsec}" ]; then
405 if [ "$ver" = "${ver#2.6.2[4-9]}" ]; then
408 Prije prelaska na Debian Etch potrebno je napraviti nadogradnju na najnoviji grsec kernel.
412 # apt-get install kernel-2.6-cn
415 Nakon toga ponovno pozovite ovu skriptu."
416 log "carnet-upgrade aborted, kernel upgrade needed."
422 local i to_install packages
425 packages="$packages_first"
428 packages="$packages_second"
434 for i in $(echo $packages)
436 pkg $i && to_install="$to_install $i"
439 if [ -n "$to_install" ];then
440 eval pkgadd $to_install
446 # funkcija utrpa ispravan sources.list
447 create_sources_list () {
449 sl=/etc/apt/sources.list
450 sl_new=/usr/share/carnet-upgrade/files/etc/apt/sources.list
452 # check if already installed
453 if ! cmp $sl $sl_new >/dev/null; then
456 if [ -f $sl -a ! -f $sl.$backup_ext ]; then
457 cp -av $sl $sl.$backup_ext
460 # install new version
462 notice "Novi sadrzaj datoteke /etc/apt/sources.list:
464 `cat /etc/apt/sources.list`"
469 # funkcija koja brise grupu proc
470 remove_group_proc () {
471 if getent group proc > /dev/null; then
472 groupdel proc || true
473 log "groupdel proc (temporarily)"
474 post_upgrade add_group_proc
479 if ! getent group proc > /dev/null; then
480 # grsec uses gid 99 for /proc files
482 log "groupadd -g 99 proc"
484 # update oidentd so it uses the proc group
485 if [ -x /etc/init.d/oidentd ]; then
486 if gpasswd -a oident proc; then
487 /etc/init.d/oidentd restart
493 # backup ldap database
495 local ldap_backup=/var/backups/slapcat.$backup_ext.gz
496 local old_umask result
498 if [ ! -f $ldap_backup ]; then
499 [ -x /etc/init.d/freeradius ] && /etc/init.d/freeradius stop || true
501 if [ -x /etc/init.d/slapd -a -d /var/lib/ldap ]; then
502 /etc/init.d/slapd stop || true
504 umask 0077 # protect the backup file
505 slapcat | gzip --best > $ldap_backup
508 /etc/init.d/slapd start || true
510 if [ "$result" -eq 0 ]; then
511 log "$ldap_backup created"
512 notice "Napravljen backup slapd baze u $ldap_backup."
514 log "$ldap_backup was not created"
515 notice "Backup slapd baze u $ldap_backup nije uspio."
520 [ -x /etc/init.d/freeradius ] && /etc/init.d/freeradius start || true
522 log "slapd backup already at $ldap_backup, skipping."
523 notice "Backup slapd baze u $ldap_backup vec postoji!"
527 # backup etc direktorija
529 local etc_backup=/var/backups/etc.$backup_ext.tar.gz
532 if [ ! -f $etc_backup ]; then
534 umask 0077 # protect the backup file
536 if tar cfz $etc_backup /etc 2> /dev/null; then
537 log "$etc_backup created"
538 notice "Napravljen backup /etc direktorija u $etc_backup."
540 log "$etc_backup was not created"
541 notice "Backup /etc direktorija u $etc_backup nije uspio."
546 log "/etc backup already present in $etc_backup, skipping."
547 notice "Backup /etc direktorija u $etc_backup vec postoji!"
551 # fixaj /etc/default/raid2
552 fix_etc_default_raid2 () {
553 if [ -f /etc/default/raid2 ]; then
554 sed "s/^AUTOSTART.*/AUTOSTART=true/g" /etc/default/raid2 > /etc/default/raid2.$backup_ext.$$
555 chown --reference=/etc/default/raid2 /etc/default/raid2.$backup_ext.$$
556 chmod --reference=/etc/default/raid2 /etc/default/raid2.$backup_ext.$$
558 if ! cmp -s /etc/default/raid2.$backup_ext.$$ /etc/default/raid2; then
559 log "Fixed /etc/default/raid2 AUTOSTART option."
560 mv -v /etc/default/raid2.$backup_ext.$$ /etc/default/raid2
562 rm -v /etc/default/raid2.$backup_ext.$$
567 # restore original config file (if the new package version is not
570 local file file_backup file_orig
573 # create new files safely
577 # restore package files
579 file_orig=/usr/share/carnet-upgrade/files/$file
580 file_backup=$file.$backup_ext
583 if [ ! -e $file ]; then
588 if cmp $file_orig $file >/dev/null; then
593 if [ ! -e $file_backup ]; then
594 log "Restoring config file $file"
596 # backup local changes
597 mv -v $file $file_backup
600 cp -av $file_orig $file
601 chown --reference $file_backup $file
602 chmod --reference $file_backup $file
609 # restore modified config to their package defaults
610 # so the upgrade doesn't complain so much
614 pkg base-files lt 4 && restore_config /etc/issue /etc/issue.net
615 pkg libpam-modules lt 0.79 && restore_config /etc/security/limits.conf
616 pkg login lt 1:4.0.18.1 && restore_config /etc/pam.d/login
617 pkg mysql-server lt 5.0.3 && restore_config /etc/init.d/mysql \
618 /etc/logrotate.d/mysql-server \
620 pkg ntp lt 1:4.2.2 && restore_config /etc/ntp.conf
621 pkg ntpdate lt 1:4.2.2 && restore_config /etc/default/ntpdate
622 pkg oidentd lt 2.0.8 && restore_config /etc/default/oidentd
623 pkg postgrey lt 1.27 && restore_config /etc/default/postgrey \
624 /etc/postgrey/whitelist_clients
625 pkg procps lt 1:3.2.7 && restore_config /etc/sysctl.conf
626 pkg sasl2-bin lt 2.1.22 && restore_config /etc/default/saslauthd
627 pkg slapd lt 2.3.30 && restore_config /etc/default/slapd /etc/init.d/slapd
628 pkg squirrelmail lt 2:1.4.9a && restore_config /etc/squirrelmail/apache.conf
629 pkg vsftpd lt 2.0.5 && restore_config /etc/vsftpd.conf
630 pkg xinetd lt 1:2.3.14 && restore_config /etc/xinetd.conf
632 # orphaned config file - no owner
633 if pkg logcheck-database lt 1.2.54; then
634 rm -vf /etc/logcheck/ignore.d.server/imap
637 # aide switched to ucf, move old configs aside
638 if pkg aide lt 0.13.1; then
639 for file in /etc/aide/aide.conf \
640 /etc/cron.daily/aide \
643 if [ ! -e "$file.$backup_ext" ]; then
644 mv -v "$file" "$file.$backup_ext"
651 # register cn changes in ucf managed files
652 for config in /etc/apache/modules.conf \
653 /etc/clamav/clamd.conf \
654 /etc/clamav/freshclam.conf
656 config_backup=$config.$backup_ext
657 if [ -e $config -a ! -e $config_backup ]; then
658 log "Saving config file $config"
659 cp -av $config $config_backup
660 ucf $config_backup $config
665 # temporary disable listchanges packages to reduce clutter during upgrade
667 local file command=$1
669 for file in /etc/apt/apt.conf.d/20listchanges \
670 /etc/apt/apt.conf.d/20listchanges-cn
674 if [ -f $file ]; then
675 dpkg-divert --local --rename --divert $file.$backup_ext \
681 if [ -f $file.$backup_ext ]; then
682 dpkg-divert --remove $file || true
689 # make a silent installation of carnet and srce keyrings
690 install_keyrings () {
691 pkgadd carnet-keyring srce-keyring
692 pkgadd dpkg apt debconf python-apt
694 dpkg-reconfigure carnet-keyring srce-keyring
698 # remove skey (not supported anymore)
700 pkgrm skey-cn libpam-skey
702 if getent group skey > /dev/null; then
703 groupdel skey || true
708 # monit it causing problems for postinst scripts
709 # restarting daemons so try to disable it
711 if pkg monit-cn; then
712 pkgrm monit-cn # disables monit in prerm
715 # if configured manually
717 # remove the binary but leave the config
718 apt-get remove --yes monit
720 pkill -9 monit || true
724 # make a silent upgrade to new libc6
726 DEBIAN_FRONTEND=noninteractive pkgadd libc6
729 # upgrade apache2 to etch
731 local package packages
734 libapache2-mod-php4 \
743 if pkg $package; then
744 packages="$packages $package"
748 # enable suhosin downgrade to etch version
749 if pkg php4-suhosin; then
750 pkgrm php4-suhosin php-suhosin-cn
753 eval pkgadd $packages
759 # remove init script diversion before upgrade
760 if pkg amavisd-cn lt 3:2.4.2-4; then
761 if [ -L /etc/init.d/amavis -a -f /etc/init.d/amavis.amavisd-new ]; then
762 rm -vf /etc/init.d/amavis
763 dpkg-divert --remove /etc/init.d/amavis
767 # move old config aside
768 for conf in /etc/amavisd.conf /etc/amavis/amavisd.conf; do
769 if [ -e $conf -a ! -e $conf.$backup_ext ]; then
770 mv -v $conf $conf.$backup_ext
774 # install new packages
775 pkgadd amavisd-cn amavisd-new
778 check_and_sed '^clamd.*5.clamav.log$' \
779 's/^\(clamd.*\)5.clamav.log$/\14\tsocket/g' \
780 /etc/init.d/amavisd-cn || true
782 # check if link got lost
783 if pkg amavisd-cn && [ ! -L /etc/init.d/amavis ]; then
784 apt-get install --reinstall --yes amavisd-cn
788 /etc/init.d/amavis restart
791 # fix openldap-aai postinst user handling
792 upgrade_openldap () {
793 pkg openldap-aai lt 2.3 || return 0
795 # openldap-aai expects org.ldif to exists
796 local ldif=/var/lib/ldap/org.ldif
797 local ldif_backup=/var/lib/carnet-upgrade/org.ldif
798 if [ -f $ldif ]; then
799 cp -v $ldif $ldif_backup
802 # slapd postinst fails if move_old_database is false
803 echo 'slapd slapd/move_old_database boolean true' | debconf-set-selections
806 # slapd removes org.ldif during switch from ldap -> openldap user
807 if [ -f $ldif_backup -a ! -f $ldif ]; then
808 cp -v $ldif_backup $ldif
811 # openldap-aai postinst fails here because of database permissions
812 apt-get -y install openldap-aai || true
813 chown -R openldap:openldap /var/lib/ldap
814 /etc/init.d/slapd restart
817 # remove ldap user if openldap works
818 if getent passwd ldap > /dev/null && \
819 getent passwd openldap > /dev/null && \
820 pgrep -U openldap slapd > /dev/null
822 log "userdel ldap (replaced by openldap)"
827 # fix postgresql deinstallation during upgrade
828 upgrade_postgresql () {
829 if check_services show 2>&1 | grep -qw postgresql; then
830 apt-get install -y postgresql || apt-get -yf install
838 if pkg postgrey; then
839 pkgrm postgrey # not used by postfix-cn anymore
844 local name=$1 file=$2 val
846 if [ -f "$file" ]; then
847 val=$(sed -n "/^[[:space:]]*$name[[:space:]]*=/s/[[:space:]]*//gp" $file)
854 # preserve mail location on upgrade
856 local default_mail_env mail_location
858 # check if already upgraded
859 if ! pkg dovecot-common lt 1.0; then
863 # save old mail location
864 default_mail_env=$(get_variable default_mail_env /etc/dovecot/dovecot.conf)
866 # silently upgrade package
867 restore_config /etc/dovecot/dovecot.conf
870 # insert old mail location
871 mail_location=$(get_variable mail_location /etc/dovecot/dovecot.conf)
872 if [ "$default_mail_env" -a ! "$mail_location" ]; then
873 check_and_sed '^#mail_location[[:space:]]*=' \
874 "s|#mail_location[[:space:]]*=.*|mail_location = $default_mail_env|" /etc/dovecot/dovecot.conf || return 0
876 if [ -x /etc/init.d/dovecot ]; then
877 if [ -x /usr/sbin/invoke-rc.d ]; then
878 /usr/sbin/invoke-rc.d dovecot restart
880 /etc/init.d/dovecot restart
886 # fix /etc/dpkg/dpkg.cfg
887 comment_force_overwrite () {
888 if [ -f /etc/dpkg/dpkg.cfg ]; then
889 if check_and_sed '^force-overwrite' \
890 's,\(^force-overwrite\),#\1,' \
891 /etc/dpkg/dpkg.cfg; then
892 notice "$msg_comment_force_overwrite"
898 cat > /etc/issue <<EOF
899 Debian GNU/Linux 4.0 (CARNet Debian 4.0) \\n \\l
902 cat > /etc/issue.net <<EOF
903 Debian GNU/Linux 4.0 (CARNet Debian 4.0) %h
907 check_archives_space() {
908 local available_disk_space archives_size
909 available_disk_space=$(free_space /var/cache/apt/archives/)
910 archives_size=$(download_size dist-upgrade)
912 if [ $? -ne 0 ]; then
913 log "Failed to get download size, skipping check."
917 log "Archives space: ${available_disk_space}MB"
918 log "Download size: ${archives_size}MB"
920 if [ $available_disk_space -lt $archives_size ]; then
921 log "carnet-upgrade aborted: not enough space in /var/cache/apt/archives/ (have ${available_disk_space}MB, need ${archives_size}MB)"
922 notice "Premalo slobodnog mjesta u /var/cache/apt/archives/ za skidanje paketa (potrebno je barem ${archives_size}MB). Procitajte poglavlje 'Izvanredne situacije' u dokumentaciji."
927 check_kernel_space() {
928 local available_disk_space kernel_size
929 available_disk_space=$(free_space /)
930 kernel_size=$(installed_size kernel-2.6-cn)
932 if [ $? -ne 0 ]; then
933 log "Failed to get installed size, skipping check."
937 log "Free space in /: ${available_disk_space}MB"
938 log "Kernel size: ${kernel_size}MB"
940 if LC_ALL=C apt-get --yes --print-uris install kernel-2.6-cn \
941 | grep -q '^kernel-2.6-cn is already the newest version.$'
943 log "Not checking free space in /: kernel-2.6-cn already installed"
947 if [ $available_disk_space -lt $kernel_size ]; then
948 log "carnet-upgrade aborted: not enough space in / (have ${available_disk_space}MB, need ${kernel_size}MB)"
949 notice "Premalo mjesta u / za instalaciju kernela (potrebno je barem ${kernel_size}MB). Procitajte poglavlje 'Izvanredne situacije' u dokumentaciji."
955 df --portability --block-size=1M "$1" | tail -1 | awk '{print $4}'
960 size=$(LC_ALL=C apt-get --yes --print-uris "$@" | grep '^Need to get ')
962 if [ $? -ne 0 ]; then
963 log "Failed to get download size for 'apt-get $@'."
967 size=${size#Need to get }
970 size_to_mb "${size}B"
976 size=$(apt-cache show $package | grep '^Installed-Size:')
978 if [ $? -ne 0 ]; then
979 log "Failed to get installed size for '$package'."
985 size_to_mb "${size}kB"
991 if [ -z "$size" ]; then
995 if [ "${size%kB}" != "$size" ]; then
996 size=$(round ${size%kB})
997 size=$(($size/1024+1))
998 elif [ "${size%MB}" != "$size" ]; then
999 size=$(round ${size%MB})
1000 elif [ "${size%GB}" != "$size" ]; then
1001 size=$(round ${size%GB})
1002 size=$(($size*1024))
1003 elif [ "${size%[0-9]B}" != "$size" ]; then
1004 size=$(round ${size%B})
1005 size=$(($size/1024/1024+1))
1007 log "unrecognized size unit: $size"
1018 if [ "${num%.*}" != "$num" ]; then