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@whitegfx

whitegfx/xcode_ramdisk.sh

Forked from skeeet/xcode_ramdisk.sh
Created April 18, 2014 16:22
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  1. @MaximKeegan MaximKeegan revised this gist Apr 12, 2012. 1 changed file with 2 additions and 1 deletion.
    3 changes: 2 additions & 1 deletion xcode_ramdisk.sh
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    @@ -1,6 +1,7 @@
    #!/bin/sh
    # Create a RAM disk with same perms as mountpoint
    #usage sudo ./xcode_ramdisk.sh start
    # Script based on http://itux.idev.pro/2012/04/iservice-speed-up-your-xcode-%D0%BD%D0%B5%D0%BA%D0%BE%D1%82%D0%BE%D1%80%D1%8B%D0%B5-%D1%81%D0%BF%D0%BE%D1%81%D0%BE%D0%B1%D1%8B/ with some additions
    # Usage: sudo ./xcode_ramdisk.sh start

    USERNAME=$(logname)

  2. @MaximKeegan MaximKeegan revised this gist Apr 12, 2012. 1 changed file with 1 addition and 0 deletions.
    1 change: 1 addition & 0 deletions xcode_ramdisk.sh
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    Original file line number Diff line number Diff line change
    @@ -1,5 +1,6 @@
    #!/bin/sh
    # Create a RAM disk with same perms as mountpoint
    #usage sudo ./xcode_ramdisk.sh start

    USERNAME=$(logname)

  3. @MaximKeegan MaximKeegan created this gist Apr 12, 2012.
    66 changes: 66 additions & 0 deletions xcode_ramdisk.sh
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    #!/bin/sh
    # Create a RAM disk with same perms as mountpoint

    USERNAME=$(logname)

    TMP_DIR="/private/tmp"
    RUN_DIR="/var/run"
    SYS_CACHES_DIR="/Library/Caches"
    USER_CACHES_DIR="/Users/$USERNAME/Library/Caches"
    DEV_CACHES_DIR="/Users/$USERNAME/Library/Developer/Xcode/DerivedData"
    DEV_IPHONE_DIR="/Users/$USERNAME/Library/Application Support/iPhone Simulator"

    RAMDisk() {
    mntpt="$1"
    rdsize=$(($2*1024*1024/512))
    echo "Creating RamFS for $mntpt $rdsize"
    # Create the RAM disk.
    dev=`hdik -drivekey system-image=yes -nomount ram://$rdsize`
    # Successfull creation...
    if [ $? -eq 0 ] ; then
    # Create HFS on the RAM volume.
    newfs_hfs $dev
    # Store permissions from old mount point.
    eval `/usr/bin/stat -s "$mntpt"`
    # Mount the RAM disk to the target mount point.
    mount -t hfs -o union -o nobrowse -o nodev -o noatime $dev "$mntpt"
    # Restore permissions like they were on old volume.
    chown $st_uid:$st_gid "$mntpt"
    chmod $st_mode "$mntpt"
    fi
    }

    # Test for arguments.
    if [ -z $1 ]; then
    echo "Usage: $0 [start|stop|restart] "
    exit 1
    fi

    # Source the common setup functions for startup scripts
    test -r /etc/rc.common || exit 1
    . /etc/rc.common

    StartService () {
    ConsoleMessage "Starting RamFS disks..."

    RAMDisk "$TMP_DIR" 128
    RAMDisk "$RUN_DIR" 64
    RAMDisk "$SYS_CACHES_DIR" 64
    RAMDisk "$USER_CACHES_DIR" 1024
    RAMDisk "$DEV_CACHES_DIR" 1024
    RAMDisk "$DEV_IPHONE_DIR" 1024

    #RAMDisk /var/db 1024
    #mkdir -m 1777 /var/db/mds
    }
    StopService () {
    ConsoleMessage "Stopping RamFS disks, nothing will be done here..."
    # diskutil unmount /private/tmp /private/var/run
    # diskutil unmount /private/var/run
    }

    RestartService () {
    ConsoleMessage "Restarting RamFS disks, nothing will be done here..."
    }

    RunService "$1"