download only if necessary and allow checking every 15 minutes

uvscan/rc.uvscan

@@ -17,27 +17,42 @@
                         sed -e 's;^.*\(dat-[0-9][0-9]*\.tar\).*$;\1;'`
         uvscan_tmpdir=`echo "${uvscan_datfile}" | sed -e 's;\.tar$;;'`
 
+        #   determine old (installed) and new (available) versions
+        uvscan_version_new=`echo "${uvscan_datfile}" | sed -e 's;^dat-;;' -e 's;\.tar$;;'`
+        uvscan_version_old=`(cat "${uvscan_datadir}/VERSION") 2>/dev/null`
+        if [ ".${uvscan_version_new}" = ".${uvscan_version_old}" ]; then
+            #   still no need for updating
+            return 0
+        fi
+
         #   download and unpack latest DATs
         umask 077
-        cd ${uvscan_datadir} || exit 1
+        cd ${uvscan_datadir} || return 1
         rm -f ${uvscan_datfile} >/dev/null 2>&1 || true
         @l_prefix@/bin/curl -s -o ${uvscan_datfile} \
-            ${uvscan_dat}/${uvscan_datfile} || exit 1
+            ${uvscan_dat}/${uvscan_datfile} || return 1
         rm -rf ${uvscan_tmpdir} >/dev/null 2>&1 || true
         mkdir ${uvscan_tmpdir}
-        ( cd ${uvscan_tmpdir} && @l_prefix@/bin/tar -xf ../${uvscan_datfile} ) || exit 1
+        ( cd ${uvscan_tmpdir} && \
+          @l_prefix@/bin/tar -xf ../${uvscan_datfile}
+        ) || return 1
 
         #   update DAT repository by installing updated DAT files
         @l_prefix@/lib/openpkg/shtool install -m 644 -o @l_musr@ -g @l_mgrp@ \
             ${uvscan_tmpdir}/*.dat .
-        uvscan_version=`echo "${uvscan_datfile}" | sed -e 's;^dat-;;' -e 's;\.tar$;;'`
-        echo "${uvscan_version}" >VERSION
+        echo "${uvscan_version_new}" >VERSION
 
         #   cleanup
         rm -f  ${uvscan_datfile} >/dev/null 2>&1 || true
         rm -rf ${uvscan_tmpdir}  >/dev/null 2>&1 || true
     }
 
+%quarterly -u @l_musr@
+    rcService uvscan enable yes || exit 0
+    if [ ".$uvscan_update" = .quarterly ]; then
+        uvscan_update || exit $?
+    fi
+
 %hourly -u @l_musr@
     rcService uvscan enable yes || exit 0
     if [ ".$uvscan_update" = .hourly ]; then

uvscan/uvscan.spec

@@ -39,7 +39,7 @@ Class:        EVAL
 Group:        Filesystem
 License:      Commercial/Free-Trial
 Version:      %{V_engine}.%{V_datfiles}
-Release:      20040729
+Release:      20040802
 
 #   list of sources
 Source0:      ftp://ftp.mcafee.com/pub/antivirus/datfiles/4.x/dat-%{V_datfiles}.tar