73 lines
1.6 KiB
Plaintext
73 lines
1.6 KiB
Plaintext
#/bin/bash
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timestamp=`date +"%Y-%m-%d-%H%M-%S"`
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# handle filename
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if [ -z "$1" ]; then
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tag=$timestamp-pi
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else
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tag=$timestamp-$1
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fi
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# fiel paths
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imgname=$PWD/$tag.img
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xzname=$imgname.xz
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sizes=sizes-$tag.txt
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checksums=sha256sum-$tag.sha256
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# get real username (not root) if run with sudo
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if [ ! -z $SUDO_USER ]; then
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username=$SUDO_USER
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else
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username=$USER
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fi
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# get disk
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lsblk
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echo "Enter disk name (including /dev/) ex /dev/sdb"
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read dadisk
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# start
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webhook "starting copy $dadisk to $imgname to $xzname at $(date)($(date +%s))\nsizes: $sizes\nsha256 checksums: $checksums" true
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# copy disk
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sudo dd if=$dadisk of=$imgname bs=4M status=progress
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imgsize=$(du -h $imgname)
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# img sha256
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sha256sum $imgname | tee $checksums
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# shrink and compress the image
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webhook "Copied the disk to $imgname ($imgsize), compressing to $xzname"
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sudo pishrink.sh -Z -a $imgname
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xzsize=$(du -h $xzname)
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# xz sha256
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webhook "$imgname ($imgsize) shrunk to $xzname ($xzsize), calculating sha256 checksums..."
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sha256sum $xzname | tee -a $checksums
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# log filesizes
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webhook "saving sizes"
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echo -e "imgsize: $imgsize\nxzsize: $xzsize" | tee $sizes
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# change archive to be friendly perms
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webhook "changing perms"
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sudo chown $username:$username $xzname
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# test archive
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webhook "testing archive $xzname"
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xz -t $xzname
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ret=$?
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# if test fails
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if [ $ret -gt 0 ]; then
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webhook "FAIL! ARCHIVE DES NOT CHECK return code: $ret EXITING"
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exit 1
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# if test succeeds
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else
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webhook "Archive Test SUCCESS"
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fi
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# finish and notify
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webhook "DONE\n\tdisk: $dadisk\n\timgname: $imgname ($imgsize)\n\txzname: $xzname ($xzsize)" true
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# schedule reboot in 1 minute
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sudo shutdown -r +1 |