23 lines
482 B
Bash
23 lines
482 B
Bash
#! /bin/bash
|
|
|
|
set -e
|
|
set -u
|
|
|
|
size="${1:-128}"
|
|
name="${2:-bldisk}"
|
|
|
|
case "$(uname -s)" in
|
|
Darwin )
|
|
((size*=2048)) # 2048 blocks per mb
|
|
diskutil unmountDisk "$name" || true
|
|
diskutil erasevolume HFS+ "$name" $(hdiutil attach -nomount ram://${size})
|
|
;;
|
|
Linux )
|
|
sudo umount /mnt/${name} || true
|
|
sudo mkdir -p /mnt/${name}
|
|
sudo mount -t tmpfs -o size=${size}M tmpfs /mnt/${name}
|
|
;;
|
|
* )
|
|
echo "Unknown uname $(uname -s)"
|
|
esac
|