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corrected backup script to detect loop and mmbclk device partitions #23

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corrected backup script to detect loop and mmbclk device partitions #23

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2b7fd9b
corrected backup script to correctly detect loop and mmbclk device pa…
alcarraz Nov 13, 2019
35d2d48
Merge branch 'raspberrypi-ui:master' into master
alcarraz Feb 3, 2022
7e6647c
Merge branch 'raspberrypi-ui:master' into master
alcarraz Jul 27, 2022
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18 changes: 8 additions & 10 deletions src/backup
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Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,11 @@

# unmount any partitions on the target device

a=9
while [ $a -gt 0 ]
do
sudo umount $1$a
a=`expr $a - 1`
done
sudo umount $1*

partprefix=$1
[[ $partprefix =~ ^/dev/(loop|mmcblk) ]] && partprefix=${partprefix}p
echo partprefix=$partprefix
# wipe the FAT on the target

sudo dd if=/dev/zero of=$1 bs=512 count=1
Expand Down Expand Up @@ -49,16 +47,16 @@ sudo parted /dev/mmcblk0 unit s print | tail -n +8 | head -n -1 | while read lin
# create file systems

if [ "$fstype" == "fat32" ] || [ "$fstype" == "fat16" ]; then
sudo mkfs.fat $1$pnum
sudo mkfs.fat $partprefix$pnum
fi
if [ "$fstype" == "ext4" ]; then
sudo mkfs.ext4 -F $1$pnum
sudo mkfs.ext4 -F $partprefix$pnum
fi

# mount and copy

sudo mount $1$pnum $dst
sudo mount /dev/mmcblk0p$pnum $src
sudo mount $partprefix$pnum $dst
sudo mount /dev/mmcblk0p$pnum $src
sudo cp -axv $src/. $dst/.
sudo umount $dst
sudo umount $src
Expand Down