sec-updater: Write to log only if at least one update is found.

src/sec-updater/sec-updater.sh

@@ -1,17 +1,23 @@
 #!/bin/sh
 
 DIR="/etc/pts"
+DISTS_DIR="$DIR/dists"
 DATE=`date +%Y%m%d-%H%M`
-UBUNTU="http://security.ubuntu.com/ubuntu/dists"
+UBUNTU="http://security.ubuntu.com/ubuntu"
 UBUNTU_VERSIONS="xenial"
 UBUNTU_DIRS="main multiverse restricted universe"
 UBUNTU_ARCH="binary-amd64"
-DEBIAN="http://security.debian.org/dists"
-DEBIAN_VERSIONS="jessie"
+DEBIAN="http://security.debian.org"
+DEBIAN_VERSIONS="jessie wheezy"
 DEBIAN_DIRS="main contrib non-free"
 DEBIAN_ARCH="binary-amd64"
+RASPIAN="http://archive.raspberrypi.org/debian"
+RASPIAN_VERSIONS="jessie wheezy"
+RASPIAN_DIRS="main"
+RASPIAN_ARCH="binary-armhf"
 CMD=/usr/sbin/sec-updater
-CMD_LOG="$DIR/$DATE-sec-update.log"
+CMD_LOG="$DIR/logs/$DATE-sec-update.log"
+DEL_LOG=1
 
 mkdir -p $DIR/dists
 cd $DIR/dists
@@ -25,11 +31,11 @@ do
     mkdir -p $v-security/$a $v-updates/$a
     for d in $UBUNTU_DIRS
     do
-      wget $UBUNTU/$v-security/$d/$a/Packages.xz -O $v-security/$a/Packages-$d.xz
+      wget -nv $UBUNTU/dists/$v-security/$d/$a/Packages.xz -O $v-security/$a/Packages-$d.xz
       unxz -f $v-security/$a/Packages-$d.xz
-      wget $UBUNTU/$v-updates/$d/$a/Packages.xz  -O $v-updates/$a/Packages-$d.xz
+      wget -nv $UBUNTU/dists/$v-updates/$d/$a/Packages.xz  -O $v-updates/$a/Packages-$d.xz
       unxz -f $v-updates/$a/Packages-$d.xz
-	done
+    done
   done
 done
 
@@ -42,9 +48,24 @@ do
     mkdir -p $v-updates/$a
     for d in $DEBIAN_DIRS
     do
-      wget $DEBIAN/$v/updates/$d/$a/Packages.bz2  -O $v-updates/$a/Packages-$d.bz2
+      wget -nv $DEBIAN/dists/$v/updates/$d/$a/Packages.bz2  -O $v-updates/$a/Packages-$d.bz2
       bunzip2 -f $v-updates/$a/Packages-$d.bz2
-	done
+    done
+  done
+done
+
+# Download Raspian distribution information
+
+for v in $RASPIAN_VERSIONS
+do
+  for a in $RASPIAN_ARCH
+  do
+    mkdir -p $v-raspian/$a
+    for d in $RASPIAN_DIRS
+    do
+      wget -nv $RASPIAN/dists/$v/$d/$a/Packages.gz  -O $v-raspian/$a/Packages-$d.gz
+      gunzip -f $v-raspian/$a/Packages-$d.gz
+    done
   done
 done
 
@@ -54,16 +75,72 @@ for f in xenial-security/binary-amd64/*
 do
   echo "security: $f"
   $CMD --product "Ubuntu 16.04 x86_64" --file $f --security >> $CMD_LOG 2>&1
+  if [ $? -eq 0 ]
+  then
+    DEL_LOG=0
+    echo $DEL_LOG
+  fi
 done
-echo
+
 for f in xenial-updates/binary-amd64/*
 do
-  echo "updates: $f"
+  echo "updates:  $f"
   $CMD --product "Ubuntu 16.04 x86_64" --file $f >> $CMD_LOG 2>&1
+  if [ $? -eq 0 ]
+  then
+    DEL_LOG=0
+    echo $DEL_LOG
+  fi
 done
-echo
+
 for f in jessie-updates/binary-amd64/*
 do
   echo "security: $f"
   $CMD --product "Debian 8.0 x86_64" --file $f --security >> $CMD_LOG 2>&1
+  if [ $? -eq 0 ]
+  then
+    DEL_LOG=0
+    echo $DEL_LOG
+  fi
 done
+
+for f in wheezy-updates/binary-amd64/*
+do
+  echo "security: $f"
+  $CMD --product "Debian 7.0 x86_64" --file $f --security >> $CMD_LOG 2>&1
+  if [ $? -eq 0 ]
+  then
+    DEL_LOG=0
+    echo $DEL_LOG
+  fi
+done
+
+for f in jessie-raspian/binary-armhf/*
+do
+  echo "security: $f"
+  $CMD --product "Debian 8.0 armv7l" --file $f --security >> $CMD_LOG 2>&1
+  if [ $? -eq 0 ]
+  then
+    DEL_LOG=0
+    echo $DEL_LOG
+  fi
+done
+
+for f in wheezy-raspian/binary-armhf/*
+do
+  echo "security: $f"
+  $CMD --product "Debian 7.11 armv7l" --file $f --security >> $CMD_LOG 2>&1
+  if [ $? -eq 0 ]
+  then
+    DEL_LOG=0
+    echo $DEL_LOG
+  fi
+done
+
+# Delete log file if no security updates were found
+
+if [ $DEL_LOG -eq 1 ]
+then
+  rm $CMD_LOG
+  echo "no security updates found"
+fi