Run apt-get update after fixing sources.list.

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

diff --git a/src/functions.sh b/src/functions.sh
index 4512ee6..66021e4 100644 (file)
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -303,7 +303,7 @@ what_upgrade () {
 # funkcija za ispis paketa koje treba upgradeati
 check_upgrade () {
   local upgrade
-  upgrade="`what_upgrade`"
+  upgrade=${1:-"`what_upgrade`"}
 
   if [ "$upgrade" ]; then
     notice "
@@ -323,6 +323,61 @@ Nakon toga ponovno pozovite ovu skriptu."
   fi
 }
 
+# update sarge urls in sources list
+fix_sarge_sources () {
+  local apt_sources='/etc/apt/sources.list'
+  local fixed_sources=$(mktemp /var/lib/carnet-upgrade/sources.list.XXXXXX)
+
+  # sarge (oldstable) was archived recently -> sources.list needs update
+  awk -v archive='http://archive.debian.org/debian' \
+      -v security='http://archive.debian.org/debian-security' \
+      '$3 == "sarge" && $2 ~ /[/]debian$/ { $2 = archive }
+       $3 == "sarge/updates" && $2 ~ /security\.debian\.org$/ { $2 = security }
+       { print }' $apt_sources > $fixed_sources
+
+  # did anything get updated
+  if ! cmp $apt_sources $fixed_sources >/dev/null; then
+      log "sources.list fixed to use archive.debian.org"
+
+      # backup current version
+      if [ ! -f "$apt_sources.$backup_ext.sarge" ]; then
+          cp -av $apt_sources "$apt_sources.$backup_ext.sarge"
+      fi
+
+      # install fixed version
+      cp -av $fixed_sources $apt_sources
+
+      # update the database
+      apt_update
+  fi
+
+  # delete temporary
+  rm -f $fixed_sources
+}
+
+# try to check if we are using the latest version of carnet-upgrade script
+check_my_version () {
+  local packages latest_version
+
+  packages=$(mktemp /var/lib/carnet-upgrade/Packages.XXXXXX)
+  if wget -q -O$packages $packages_uri; then
+    latest_version=$(sed -ne \
+        '/Package: carnet-upgrade/,/Description:/{ /Version: /s///p }' \
+        $packages)
+    rm -f $packages
+
+    if [ "$latest_version" ]; then
+      log "Running carnet-upgrade version is $version"
+      log "Latest carnet-upgrade version is $latest_version"
+      if dpkg --compare-versions "$version" lt "$latest_version"; then
+        check_upgrade " carnet-upgrade"
+      else log "Already using the latest carnet-upgrade version."; fi
+    else log "Failed to get latest version, skipping check."; fi
+  else log "Failed to download Packages file, skipping check."; fi
+
+  rm -f $packages
+}
+
 # if apache is installed make sure it's version 2
 check_apache_version () {