Remove X if installed.

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

diff --git a/src/functions.sh b/src/functions.sh
index 4775de3..3830ea5 100644 (file)
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -2,11 +2,15 @@
 # Zoran 'jelly' Dzelajlija <jelly@srce.hr>
 
 notice () {
-  dialog --backtitle "$title" --msgbox "$*" 18 75
+  LC_MESSAGES=hr_HR dialog --backtitle "$title" --msgbox "$*" 18 75
 }
 
 first_warning () {
-  dialog --backtitle "$title" --yesno "$msg_first_warning" 18 75
+  LC_MESSAGES=hr_HR dialog --backtitle "$title" --yesno "$msg_first_warning" 18 75
+  if [ $? -ne 0 ]; then
+    log "Upgrade canceled."
+    exit 0
+  fi
 }
 
 pkg() {
@@ -109,13 +113,17 @@ pkgrm () {
   }
 }
 
-update() {
+apt_update() {
   log "Running apt-get update ..."
   apt-get -y$s update || {
     apt-get -yf install
     apt-get -y$s update
   }
   apt-get autoclean
+}
+
+apt_download() {
+  log "Running apt-get download ..."
   apt-get -dy$s dist-upgrade
 }
 
@@ -127,6 +135,16 @@ dist_upgrade () {
   }
 }
 
+remove_x() {
+  LC_MESSAGES=hr_HR dialog --backtitle "$title" --yesno "$msg_remove_x" 18 75
+  if [ $? -eq 0 ]; then
+    log "Removing X Window System"
+    pkgrm xlibs
+  else
+    log "Skipping X Window System removal"
+  fi
+}
+
 remove_bloat() {
   local to_remove add_this i j n text to_show cmd tmpfile installed
   local update_selections pkgs_to_deselect pkgs_to_remove oldifs pkglist
@@ -151,7 +169,7 @@ remove_bloat() {
   [ -z "$to_show" ] && return 0
   test $n -gt 8 && n=8
   tmpfile=$(mktemp /var/lib/carnet-upgrade/dialog-tmp.XXXXXX)
-  cmd="dialog --nocancel --backtitle \""$title"\" --checklist \""$text"\" 20 75 $n $to_show"
+  cmd="LC_MESSAGES=hr_HR dialog --nocancel --backtitle \""$title"\" --checklist \""$text"\" 20 75 $n $to_show"
   [ "$DEBUG" ] && set +x
     eval $cmd 2> $tmpfile
   [ "$DEBUG" ] && set -x
@@ -596,7 +614,7 @@ install_keyrings () {
   pkgadd dpkg apt debconf python-apt
 
   dpkg-reconfigure carnet-keyring srce-keyring
-  update
+  apt_update
 }
 
 # remove skey (not supported anymore)
@@ -801,12 +819,98 @@ Debian GNU/Linux 4.0 (CARNet Debian 4.0) %h
 EOF
 }
 
-check_disk_space() {
-  local available_disk_space
-  available_disk_space=$(df -m /var|tail -1|awk '{print $4}')
-  if [ $available_disk_space -lt $min_var_space ]; then
-    log "carnet-upgrade aborted: not enough space on /var (need ${min_var_space}MB)"
-    notice "Premalo mjesta na /var particiji. Potrebno je imati barem ${min_var_space}MB."
+check_archives_space() {
+  local available_disk_space archives_size
+  available_disk_space=$(free_space /var/cache/apt/archives/)
+  archives_size=$(download_size dist-upgrade)
+
+  log "Archives space: ${available_disk_space}MB"
+  log "Download size: ${archives_size}MB"
+
+  if [ $available_disk_space -lt $archives_size ]; then
+    log "carnet-upgrade aborted: not enough space in /var/cache/apt/archives/ (have ${available_disk_space}MB, need ${archives_size}MB)"
+    notice "Premalo slobodnog mjesta u /var/cache/apt/archives/ za skidanje paketa (potrebno je barem ${archives_size}MB). Procitajte poglavlje 'Izvanredne situacije' u dokumentaciji."
+    exit 1
+  fi
+}
+
+check_kernel_space() {
+  local available_disk_space kernel_size
+  available_disk_space=$(free_space /)
+  kernel_size=$(installed_size kernel-2.6-cn)
+
+  log "Free space in /: ${available_disk_space}MB"
+  log "Kernel size: ${kernel_size}MB"
+
+  if LC_ALL=C apt-get --yes --print-uris install kernel-2.6-cn \
+     | grep -q '^kernel-2.6-cn is already the newest version.$'
+  then
+     log "Not checking free space in /: kernel-2.6-cn already installed"
+     return
+  fi
+
+  if [ $available_disk_space -lt $kernel_size ]; then
+    log "carnet-upgrade aborted: not enough space in / (have ${available_disk_space}MB, need ${kernel_size}MB)"
+    notice "Premalo mjesta u / za instalaciju kernela (potrebno je barem ${kernel_size}MB). Procitajte poglavlje 'Izvanredne situacije' u dokumentaciji."
     exit 1
   fi
 }
+
+free_space() {
+  df --portability --block-size=1M "$1" | tail -1 | awk '{print $4}'
+}
+
+download_size() {
+  local size
+  size=$(LC_ALL=C apt-get --yes --print-uris "$@" \
+         | sed -n '/^Need to get / {s///; s/B\/.*//; p}')
+
+  size_to_mb $size
+}
+
+installed_size() {
+  local package size
+  package=$1
+  size=$(apt-cache show $package \
+         | awk '$1 == "Installed-Size:" {print $2; exit}')
+
+  size_to_mb "${size}k"
+}
+
+size_to_mb() {
+  local size
+  size=$1
+  if [ -z "$size" ]; then
+    size=0;
+  fi
+
+  if [ "${size%k}" != "$size" ]; then
+    size=$(round ${size%k})
+    size=$(($size/1024+1))
+  elif [ "${size%M}" != "$size" ]; then
+    size=$(round ${size%M})
+  elif [ "${size%G}" != "$size" ]; then
+    size=$(round ${size%G})
+    size=$(($size*1024))
+  elif [ "${size%[0-9]}" != "$size" ]; then
+    size=$(round $size)
+    size=$(($size/1024/1024+1))
+  else
+    log "unrecognized size unit: $size"
+    return 1
+  fi
+
+  echo $size
+}
+
+round() {
+  local num
+  num=$1
+
+  if [ "${num%.*}" != "$num" ]; then
+    num=${num%.*}
+    num=$(($num+1))
+  fi
+
+  echo $num
+}