pre-run and post-run bash scripts for duplicati that manage a ramdisk based tempdir

duplicati-ramdisk-post.sh

#!/bin/bash

# remove the ramdisk to free up the ram
diskutil eject $DUPLICATI__tempdir

duplicati-ramdisk-pre.sh

#!/bin/bash

# Origianl script from https://superuser.com/a/457376

# set the size of ramdisk here
ramfs_size_mb=1024
mount_point=$(mktemp -d -t duplicati-ramdisk)

ramfs_size_sectors=$(( ${ramfs_size_mb} * 1024 * 1024 / 512 ))
ramdisk_dev=`hdid -nomount ram://${ramfs_size_sectors}`

newfs_hfs -v 'duplicati tmpfs' ${ramdisk_dev} || exit $?
mkdir -p ${mount_point}

# remove "nobrowse" from options if you want to see the mounted ramdisk in the Finder sidebar
mount -o noatime,nobrowse -t hfs ${ramdisk_dev} ${mount_point} || exit $?

echo "--tempdir=${mount_point}"