gistfile1.sh

#!/usr/bin/env bash
#ramfs_size_mb=512
ramfs_size_mb=1536
origin=${HOME}/Development/ipe
name="iperam"
mount_point=${HOME}/Development/${name}

mkramdisk() {
ramfs_size_sectors=$((${ramfs_size_mb}*1024*1024/512))
#ramdisk_dev=`hdid -nomount ram://${ramfs_size_sectors}`
ramdisk_dev=`hdiutil attach -nomount ram://${ramfs_size_sectors}`
newfs_hfs -v "${name}" ${ramdisk_dev}
mkdir -p ${mount_point}
mount -o noatime -t hfs ${ramdisk_dev} ${mount_point}

echo "remove with:"
echo "$0 unmount"
echo
echo "which does for you:"
echo "umount -f ${mount_point}"
echo "diskutil eject ${ramdisk_dev}"
}
if [ ! -d ${mount_point}/.hg ]; then
  mkramdisk
  set -x
  rsync -avq --exclude ".fseventsd" --exclude ".DocumentRevisions*" --exclude "/build" --exclude "/deploy" ${origin}/ ${mount_point}
else
  if [ "${1}x" == "silox" ]; then
    origin=informaat@silo01.local:/home/informaat/ipe
  fi

  set -x
  rsync -avP --delete --exclude ".DocumentRevisions*" --exclude ".fseventsd" --exclude ".DS_Store" --exclude "/build" --exclude "/deploy" ${mount_point}/ ${origin}
  set +x
  if [ "${1}x" == "unmountx" ]; then
    ramdisk_dev=`mount | grep ${mount_point} | cut -d ' ' -f 1`
    set -x
    umount -f ${mount_point}
    diskutil eject ${ramdisk_dev}
  fi
fi