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modified so that it works on a Raspbian #1

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modified so that it works on a Raspbian #1

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6e85e86
modofied for RPi detection
Sep 8, 2017
b1b2f81
modified for RPi detection
Sep 8, 2017
b4ad9d1
added raspbian instructions
Sep 8, 2017
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5 changes: 4 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -14,4 +14,7 @@
cd edu-image
./resize.sh
```
1. A backup of the image will be created in ~/backups that can be used to create new cards if needed.
1. A backup of the image will be created in ~/backups that can be used to create new cards if needed. If you're running this script on a Pi or a Desktop running Raspbian, then you'll need to install pv first:
``` bash
sudo apt-get install pv
```
12 changes: 10 additions & 2 deletions resize.sh
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Expand Up @@ -32,8 +32,16 @@ echo "The following filesystems have been found:"
lsblk
read -e -p "Which blockdevice: " -i "mmcblk0" myblkdev
read -e -p "Which partition do you want to shrink: " -i "2" targetpartnr
targetpart="${myblkdev}p${targetpartnr}"

if [ -e /etc/os-release ]
then
echo 'os-release found'
if grep -q Raspbian /etc/os-release; then
echo 'Looks like this is Raspbian'
targetpart="${myblkdev}${targetpartnr}"
else
targetpart="${myblkdev}p${targetpartnr}"
fi
fi
# Unmount directories, otherwise online shrinking from resize2fs would be
# required but this throws an error.
if grep -s "${myblkdev}" /proc/mounts
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