X-Git-Url: http://git.pippins.net/embedvideo/.git/?a=blobdiff_plain;f=scripts%2Fburn-imgs.sh;h=b4d71bf807219ff3189e41894780f1a971d6a9d7;hb=fc128fd4b1e153273aff366d6ce9f75c2b992c40;hp=a6a5ba9db6ad6fce932bcaa47e0cd3982aa8b750;hpb=f7eab4ae4b364489a6b985c5a1605846a23f4cf1;p=backups%2F.git diff --git a/scripts/burn-imgs.sh b/scripts/burn-imgs.sh index a6a5ba9..b4d71bf 100755 --- a/scripts/burn-imgs.sh +++ b/scripts/burn-imgs.sh @@ -1,42 +1,60 @@ #!/bin/sh -PATH=/bin:/usr/bin +export PATH=$(dirname $0):/bin:/usr/bin:/sbin -mailto=carl@ecbaldwin.net -dev="/dev/hdc" -sdev="ATA:1,0,0" -imagedir="/backup/imgs" +cronstopstart="/etc/init.d/cron" +. config.sh -# Discover disk images by looking for .img.md5sum files in $imagedir -imgmd5=$(ls $imagedir/*.img.md5sum | head -n 1) +# If the noburn file is there then don't burn. +[ -f "$noburnfile" ] && exit 0 -logfile=$(tempfile) +# Discover disk images by looking for .img.md5sum files in $imagedir +imgmd5=$(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 +echo MD5 file: $imgmd5 + +logfile=$(tempfile) + +echo Logfile: $logfile + # Get the name of the disk image by stripping off the tailing '.md5sum' img=${imgmd5%.md5sum} +echo Image: $img + +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 $$ + # Burn the image to a disk. -cdrecord-wrapper.sh -dao dev=$sdev $isoimage > $logfile 2>&1 +cdrecord-wrapper.sh -dao dev=$sdev $img > $logfile 2>&1 -if [ 0 != "$?" ]; then +if [ "0" != "$?" ]; then echo >&2 "cdrecord failed!" exit 1 fi +# We don't need to be high-priority anymore. +renice 0 $$ +$cronstopstart start + # Now verify the disk by running md5sum on the entire contents of the disk md5sum=$(tempfile) +echo Md5sum: $md5sum dd if=$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 @@ -49,13 +67,15 @@ date >> $img.stat 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 ${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