pck-update,lib/libnetwork.lib: "host" is not required by pck-update; move the requirement to libnetwork

Signed-off-by: Davide Madrisan <davide.madrisan@gmail.com>

ChangeLog

@@ -18,6 +18,10 @@ Wed Apr 18 2012 Davide Madrisan <davide.madrisan(a)gmail.com>
   * spec-create - Davide Madrisan:
     Exist with error when git is required but cannot be found.
 
++ bugfix
+  * pck-update, lib/libnetwork.lib - Davide Madrisan:
+    `host' is not required by pck-update; move the requirement to libnetwork.
+
 -------------------------------------------------------------------------------
 
 Changes in version 1.9.4

lib/libnetwork.lib.in

@@ -18,6 +18,11 @@ if [[ -z "$LANG" && -r /etc/sysconfig/i18n ]]; then
 fi
 TEXTDOMAIN="libnetwork"; export TEXTDOMAIN
 
+# check if all the needed tools are available
+for tool in curl host mktemp; do
+   [ "$(type -p curl)" ] || notify.error $"utility not found"": \`curl'"
+done
+
 # function repository.is_reachable()
 #    check if the server '$1' is reachable (test = DNS lookup query)
 # args:
@@ -525,8 +530,6 @@ function curl.download() {
 
    notify.note $"downloading"" ${NOTE}$file_name${NORM} ..."
 
-   [ "$(type -p curl)" ] || notify.error $"utility not found"": \`curl'"
-
    [ -d "$destdir" ] ||
       if [ "$exitonerror" = 1 ]; then
          notify.warning $"\

plugins/pck-update.in

@@ -309,7 +309,7 @@ fi
 [ "$logging_dir" ] || logging_dir="${tmppath_dir:-/var/tmp}/@package@"
 
 # check if all the needed tools are available
-for tool in cat chmod cpio date file find fold ftp getopt grep host \
+for tool in cat chmod cpio date file find fold ftp getopt grep \
    mktemp objdump readlink rpm rpmbuild rpm2cpio sed seq sort strings; do
    [ "$(type -p $tool)" ] ||
       notify.error $"utility not found"": \`$tool'"