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Xen-Orchestra-xen-orchestra…/@vates/fatfs/make_sample.sh

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#! /bin/sh
# NOTE: this only works on OS X
# TODO: Linux could use mkfs stuff without attach?
# ./make_sample.sh /tmp/fat16.img FAT16
FILE=$1
: ${FILE:?must be provided as first argument}
TYPE=$2
: ${TYPE:?must be provided as second argument}
SIZE=$3 # in MB
case "$TYPE" in
"FAT12") : ${SIZE:=1} # <128
;;
"FAT16") : ${SIZE:=5} # >4
;;
"FAT32") : ${SIZE:=33} # >32
;;
*) : ${SIZE:=1} # e.g. ExFAT
esac
echo Making $TYPE of $SIZE MB at $FILE
if [[ "$TYPE" = FAT* ]]
then
TYPE="MS-DOS $TYPE"
fi
dd if=/dev/zero of=$FILE bs=1048576 count=$SIZE
DEV=`hdiutil attach $FILE -nomount`
diskutil eraseVolume "$TYPE" "FATFS TEST" $DEV
hdiutil detach $DEV