etc/Mac/MoveTemporaryFoldersToRamdisk_MacOSX.sh

   1 #!/bin/bash
   2
   3 # +----------------------------------------------------------------------+
   4 # |                                                                      |
   5 # |  Set up Mac OS X to store temporary files in RAM rather than on disk.|
   6 # |  Updated for Yosemite, 16 GB of RAM                                  |
   7 # |                                                                      |
   8 # |  By James Newell <jrnewell@github>                                   |
   9 # |                                                                      |
  10 # |  Originally by Ricardo Gameiro <http://blogs.nullvision.com/?p=357>  |
  11 # |  Changes by Daniel Jenkins                                           |
  12 # |     <http://blogs.nullvision.com/?p=357#comment-1140>                |
  13 # |  Additional changes by Benjamin Chu <http://intechnicolor.net>       |
  14 # +----------------------------------------------------------------------+
  15
  16 # if you want a different location for startup script, change this variable
  17 SCRIPT_DIR=/usr/local/sbin
  18 SCRIPT=ram-temp-disks
  19
  20 SCRIPT_DIR=/opt/Galaxy
  21 SCRIPT=RamDisks
  22
  23 if [ ! -d "$SCRIPT_DIR" ]; then
  24     echo "$SCRIPT_DIR does not exist.  Either create the directory or change SCRIPT_DIR in this script..."
  25     exit 1
  26 fi
  27 cd "$SCRIPT_DIR"
  28
  29 cat << "EOF" | tee "$SCRIPT" > /dev/null
  30 #!/bin/sh
  31
  32 # Create a RAM disk with same perms as mount point
  33 RAMDisk() {
  34     local mount_pt="$1"
  35     local ramdisk_size=$(($2*1024*1024/512))
  36
  37     # create ram disk
  38     echo "Creating RamFS for $mount_pt"
  39     local ramdisk_dev="$(hdiutil attach -drivekey system-image=yes -nomount -noautoopen ram://${ramdisk_size} | sed -e 's/[[:space:]]*$//')"
  40
  41     # seems to help with preventing issue where some disks did not mount
  42     sleep 1
  43
  44     # success
  45     if [ $? -eq 0 ]; then
  46
  47         # Create HFS on the RAM volume.
  48         sudo newfs_hfs -v "$3" $ramdisk_dev
  49
  50         # Store permissions from old mount point.
  51         eval `/usr/bin/stat -s $mount_pt`
  52
  53         # Mount the RAM disk to the target mount point.
  54         sudo mount -t hfs -o noatime -o union -o nobrowse "$ramdisk_dev" "$mount_pt"
  55
  56         # Restore permissions like they were on old volume.
  57         sudo chown $st_uid:$st_gid "$mount_pt"
  58         sudo chmod $st_mode "$mount_pt"
  59     fi
  60 }
  61
  62 # 512 MB for temp directory
  63 #RAMDisk "/private/tmp" 512 "RAM Temp"
  64 RAMDisk "/private/tmp" 768 "RAM_Temp"
  65
  66 # 128 MB for run directory
  67 #RAMDisk "/var/run" 128 "RAM Run"
  68
  69 EOF
  70 sudo chmod u+x,g+x,o+x "$SCRIPT"
  71
  72 cd /Library/LaunchDaemons
  73 cat << EOF | sudo tee me.Galaxy.ramdisk.plist > /dev/null
  74 <?xml version="1.0" encoding="UTF-8"?>
  75 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
  76 <plist version="1.0">
  77     <dict>
  78         <key>Label</key>
  79         <string>RAM Temp Disks</string>
  80
  81         <key>ProgramArguments</key>
  82         <array>
  83             <string>${SCRIPT_DIR}/${SCRIPT}</string>
  84         </array>
  85
  86         <key>RunAtLoad</key>
  87         <true/>
  88 </dict>
  89 </plist>
  90 EOF
  91
  92 exit 0