Create checkupdate

checkupdate

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+if [ -f /tmp/changelog ];
+then
+	rm /tmp/changelog
+fi
+
+apt-get update -y > /dev/null 2>&1
+if [[ $? != 0 ]];
+then
+	exit 2
+else
+	echo OK > /tmp/update_status
+fi
+
+# Set $DIRCACHE
+eval `/usr/bin/apt-config shell DIRCACHE Dir::Cache`
+
+
+# get the list of packages which are pending an upgrade
+PKGNAMES=`/usr/bin/apt-get -q -y --ignore-hold --allow-unauthenticated -s dist-upgrade | \
+          /bin/grep ^Inst | /usr/bin/cut -d\  -f2 | /usr/bin/sort`
+
+if [[ $PKGNAMES = "" ]];
+then
+        exit 1
+fi
+
+if [ -n "$PKGNAMES" ] ; then
+
+        # do the upgrade downloads
+        /usr/bin/apt-get --ignore-hold -qq -d --allow-unauthenticated --force-yes dist-upgrade > /dev/null
+fi
+
+
+PKGPATH="/${DIRCACHE}archives/"
+for PKG in $PKGNAMES ; do
+        VER=`LC_ALL=C /usr/bin/apt-cache policy $PKG |\
+             /bin/grep Candidate: | /usr/bin/cut -f 4 -d \ `
+        OLDVER=`LC_ALL=C /usr/bin/apt-cache policy $PKG |\
+             /bin/grep Installed: | /usr/bin/cut -f 4 -d \ `
+        VERFILE=`echo "$VER" | /bin/sed -e "s/:/%3a/g"`
+        if ls ${PKGPATH}${PKG}_${VERFILE}_*.deb >& /dev/null ; then
+                DEBS="$DEBS ${PKGPATH}${PKG}_${VERFILE}_*.deb"
+        fi
+        echo -e "$PKG $OLDVER -> $VER"
+done
+
+MISSING_DEBS=`apt-get -y --ignore-hold --allow-unauthenticated --print-uris dist-upgrade \
+                          | grep "file:" \
+                          | sed "s/'file:\(.*\)' .*/\1/g"`
+
+DEBS=`echo $MISSING_DEBS $DEBS | /usr/bin/sort`
+
+if [[ $DEBS = "" ]];
+then
+	exit 3
+else
+	if [ -x /usr/bin/apt-listchanges ] ; then
+        	/usr/bin/apt-listchanges --which=both -f text $DEBS > /tmp/changelog 2>/dev/null
+	fi
+fi