X-Git-Url: http://git.pippins.net/embedvideo/.git/?a=blobdiff_plain;f=scripts%2Fburn-imgs.sh;h=5d030bf5f46918d09b5975e2abe8eaf844600531;hb=b99823bb7bfc6a89b4e695b551ebb892d992f367;hp=a3b6fb2e7de73d3560ba3ed7bcb7a48d340958a7;hpb=4c07511b60f32ff1205fe84071ee962ea656e59d;p=backups%2F.git diff --git a/scripts/burn-imgs.sh b/scripts/burn-imgs.sh index a3b6fb2..5d030bf 100755 --- a/scripts/burn-imgs.sh +++ b/scripts/burn-imgs.sh @@ -1,42 +1,56 @@ #!/bin/sh -PATH=$(dirname $0):/bin:/usr/bin +export PATH=$(dirname $0):/bin:/usr/bin:/sbin +cronstopstart="/etc/init.d/cron" . config.sh # If the noburn file is there then don't burn. -[ -f "$burnlockfile" ] && exit 0 +[ -f "$noburnfile" ] && exit 0 # Discover disk images by looking for .img.md5sum files in $imagedir -imgmd5=$(ls $imagedir/*.img.md5sum | head -n 1) - -logfile=$(tempfile) +imgmd5=$(ls $imagedir/*.img.md5sum 2>/dev/null | head -n 1) # If we didn't find an non-empty file then exit gracefully [ -z "$imgmd5" ] && exit 0 [ -s "$imgmd5" ] || exit 0 +logfile=$(tempfile) + # Get the name of the disk image by stripping off the tailing '.md5sum' img=${imgmd5%.md5sum} +touch $noburnfile + # A little paranoia. Make sure the disk image file is there. [ -z "$img" ] && exit 1 [ -s "$img" ] || exit 1 +# To avoid buffer underruns I'm going to stop cron and renice myself +$cronstopstart stop +renice -10 $$ + # Burn the image to a disk. -cdrecord-wrapper.sh -dao dev=$sdev $isoimage > $logfile 2>&1 +cdrecord-wrapper.sh -dao dev=$sdev $img > $logfile 2>&1 -if [ 0 != "$?" ]; then +if [ "0" != "$?" ]; then echo >&2 "cdrecord failed!" exit 1 fi +# We don't need to be high-priority anymore. +renice 0 $$ +$cronstopstart start + +# I don't know if this *really* helps but give cdrecord a chance to clean up. +sleep 60 + # Now verify the disk by running md5sum on the entire contents of the disk md5sum=$(tempfile) -dd if=$dev bs=1M count=4440 2>$logfile | md5sum | awk '{print$1}' > $md5sum +dd if=$dev bs=1M count=4440 2>>$logfile | md5sum | awk '{print$1}' > $md5sum # Check that the md5sums match -if ! cmp $md5sum $isoimage.md5sum; then +if ! cmp $md5sum $img.md5sum; then echo "Failed" | mailx -s "DVD md5sum doesn't match image file!!!" $mailto exit 1 fi @@ -44,20 +58,20 @@ fi # Record the date in the stat file to indicate that this burn was a success date >> $img.stat -touch $burnlockfile - { # Send e-mail echo "Image md5sum:" cat $img.md5sum echo echo "md5sum of burned disks:" + cat $md5sum + echo cat $img.stat echo cat $logfile -} | mailx -s "DVD burned. File it as ${img%.*}" $mailto > $logfile 2>&1 +} | mailx -s "DVD burned. File as $(basename ${img%.*})" $mailto > $logfile 2>&1 # Two lines in the stat file indicate two successful burns. Clean-up the image. -if [ "$(wc -l $img.stat 2>/dev/null)" == "2" ]; then +if [ "$(wc -l $img.stat 2>/dev/null | awk '{print$1}')" == "2" ]; then # Burned the image twice. Removing it and associated files! rm -f $img{,.md5sum,.stat} [ -d $img.mnt ] && rmdir $img.mnt