Reworked cronjob: added exit funxtion, samll tweaks.

cronjob

 #!/bin/bash
+
 WEB=/srv/chiedi.ubuntu-it.org
 WWW=$WEB/www/osqa/
 BZR=/srv/shared-branches
 BZRWWW=$BZR/ubuntu-it-ask/
 TMP_FILE=/tmp/askrepo_version
 
-cp -ax $BZRWWW/* $WWW/
-                                                                             
-if ! test -f $TMP_FILE ; then
-        cat /dev/null > $TMP_FILE
-fi
+function set_own_perm {
+    chown -R :ubuntu-it $WWW
+    chmod -R ug+rw $WWW
+}
 
-cd $BZRWWW
-VERSION=`cat $TMP_FILE`
-VERSION_TEST=`bzr up 2>&1 | tail -n1 `
+trap set_own_perm EXIT HUP QUIT TERM KILL
 
-if [ ! "$VERSION_TEST" = "$VERSION" ] ; then 
-        echo "$VERSION_TEST" > $TMP_FILE
+if [ ! -f $TMP_FILE ]
+then
+        touch $TMP_FILE
 fi
 
+cd $BZRWWW
+OLD_VERSION=`cat $TMP_FILE`
+NEW_VERSION=`bzr up 2>&1 | tail -n1`
 
-
-
-
+if [ ! "$NEW_VERSION" == "$OLD_VERSION" ]
+then
+        echo "$NEW_VERSION" > $TMP_FILE
+        cp -ax $BZRWWW/* $WWW/
+fi