Try to get default kernel from lilo or grub config.

[carnet-upgrade.git] / src / functions.sh

diff --git a/src/functions.sh b/src/functions.sh
index 970d3db..1ba1323 100644 (file)
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -105,7 +105,7 @@ pkgadd () {
 
 pkgrm () {
   [ -n "$*" ] || return 0
-  log "Removing $* ..."
+  log "Purging $* ..."
   apt-get -y$s --purge remove $* || {
     dpkg --configure -a
     apt-get -yf install
@@ -113,6 +113,17 @@ pkgrm () {
   }
 }
 
+pkgrm_only () {
+  [ -n "$*" ] || return 0
+  log "Removing $* ..."
+  apt-get -y$s remove $* || {
+    dpkg --configure -a
+    apt-get -yf install
+    apt-get -y$s remove $*
+  }
+}
+
+
 apt_update() {
   log "Running apt-get update ..."
   apt-get -y$s update || {
@@ -202,6 +213,57 @@ remove_bloat() {
   eval pkgrm $pkgs_to_remove
 }
 
+remove_cn_bloat() {
+  local installed pkg cn_pkgs dialog_list selection cn_del to_del del_pkgs
+
+  # get installed packages
+  installed=$(mktemp /var/lib/carnet-upgrade/pkglist.XXXXXX)
+  COLUMNS=200 dpkg -l | awk '$1 ~ /^.i/ { print $2 }' >$installed
+
+  # detect installed CN packagees
+  for pkg in $(echo "$cn_bloats" | cut -d' ' -f1); do
+    if grep -qx $pkg $installed; then
+      cn_pkgs="$cn_pkgs $pkg"
+      dialog_list="$dialog_list $pkg '' off"
+    fi
+  done
+  rm -f $installed
+
+  # report status or finish if no CN packages found
+  if [ "$cn_pkgs" ]; then
+    log "Found CN packages:$cn_pkgs"
+  else
+    log "No CN packages found."
+    return
+  fi
+
+  # user selects the packages to delete
+  selection=$(mktemp /var/lib/carnet-upgrade/selection.XXXXXX)
+  eval LC_MESSAGES=hr_HR dialog --nocancel --backtitle \""$title"\" \
+    --checklist \""$msg_remove_cn_bloat"\" 20 75 6 $dialog_list 2>$selection
+
+  # expand the package list to include the services
+  for pkg in $(cat $selection); do
+    pkg=${pkg%\"}
+    pkg=${pkg#\"}
+    cn_del="$cn_del $pkg"
+    to_del=$(echo "$cn_bloats" | grep ^$pkg)
+    del_pkgs="$del_pkgs $to_del"
+  done
+  rm -f $selection
+
+  # report selection or finish if no service selected
+  if [ "$cn_del" ]; then
+    log "Removing CN services:$cn_del"
+  else
+    log "No CN services selected for removal."
+    return
+  fi
+
+  # delete the cn packages and relevant services
+  pkgrm_only $del_pkgs
+}
+
 post_upgrade() {
   touch "$post_upgrade_queuetab"
   if ! grep -q "true   $*" "$post_upgrade_queuetab"; then
@@ -307,7 +369,7 @@ check_upgrade () {
 
   if [ "$upgrade" ]; then
     notice "
-Prije prelaska na Debian Etch potrebno je napraviti nadogradnju ovih paketa:
+Prije prelaska na Debian Lenny potrebno je napraviti nadogradnju ovih paketa:
   $upgrade
 
 Pokrenite:
@@ -383,7 +445,7 @@ check_apache_version () {
 
   if pkg apache-cn && ! pkg apache2-cn; then
     notice "
-Prije prelaska na Debian Etch potrebno je napraviti nadogradnju sa Apache 1.3 na Apache 2.0.
+Prije prelaska na Debian Lenny potrebno je napraviti nadogradnju sa Apache 1.3 na Apache 2.0.
 
 Pokrenite:
   # apt-get update
@@ -408,7 +470,7 @@ check_grsec_kernel () {
   if [ "$ver" = "${ver#2.6.2[4-9]}" ] || reboot_required; then
     # kernel too old
     notice "
-Prije prelaska na Debian Etch potrebno je napraviti nadogradnju na najnoviji grsec kernel.
+Prije prelaska na Debian Lenny potrebno je napraviti nadogradnju na najnoviji kernel.
 
 Pokrenite:
   # apt-get update
@@ -425,9 +487,22 @@ Nakon toga ponovno pozovite ovu skriptu."
 reboot_required () {
   local default_kernel kernel_package running_release running_version
 
-  default_kernel=$( lilo -t -v 2>/dev/null \
-                    | grep -B3 '[*]$' \
-                    | sed -n -e '/^Boot image: / { s///p; q; }' )
+  # try to get default kernel from lilo
+  if type lilo >/dev/null 2>&1; then
+      default_kernel=$( lilo -t -v 2>/dev/null \
+                        | grep -B3 '[*]$' \
+                        | sed -n -e '/^Boot image: / { s///p; q; }' )
+  fi
+
+  # fallback to grub if lilo not installed
+  if [ -z "$default_kernel" -a -r "/boot/grub/menu.lst" ]; then
+      default_kernel=$( awk '
+           $1 == "default" { default = $2; 
+                             if (default != /^[[:digit:]]+$/) { exit } }
+           $1 == "title" { title+=1 }
+           $1 == "kernel" && title==default+1 { print $2; exit }' \
+           /boot/grub/menu.lst 2>/dev/null )
+  fi
 
   if [ -z "$default_kernel" ]; then
       log "Could not find default kernel"
@@ -946,11 +1021,11 @@ comment_force_overwrite () {
 
 fix_issue () {
   cat > /etc/issue <<EOF
-Debian GNU/Linux 4.0 (CARNet Debian 4.0) \\n \\l
+Debian GNU/Linux 5.0 (CARNet Debian 5.0) \\n \\l
 EOF
 
   cat > /etc/issue.net <<EOF
-Debian GNU/Linux 4.0 (CARNet Debian 4.0) %h
+Debian GNU/Linux 5.0 (CARNet Debian 5.0) %h
 EOF
 }