#!/bin/bash
# edit to put your username in
# and run this
# the second time is the important one
USERNAME=robbat2
# --- shouldn't need to change beyond this
CVSMODULE=gentoo-x86
CVSROOT=:ext:$USERNAME@cvs.gentoo.org:/var/cvsroot
# details! details! details!
LOOPFILE=/dev/shm/loopfile
LOOPDEV=/dev/loop0
LOOPMOUNT=/tmp/cvstmp
LOOPFSTYPE=reiserfs
LOOPFSOPTS=nosuid,nodev,noatime,nolog,noexec
LOOPMKFS='mkreiserfs -q -ff -s 513'
LOOPSIZE=128
CVS_OPT="-z1 -Q"
CVS_OPT_UP="-dP"
CVS_OPT_CO="-dP"

echo "Creating loopfile ($LOOPFILE)"
dd if=/dev/zero of=$LOOPFILE bs=1M count=$LOOPSIZE
echo "Attaching to loop device ($LOOPDEV)"
losetup $LOOPDEV $LOOPFILE
echo "Making filesystem ($LOOPFSTYPE)"
$LOOPMKFS $LOOPDEV >/dev/null
mkdir -p $LOOPMOUNT
echo "Mounting on $LOOPMOUNT"
mount -t $LOOPFSTYPE $LOOPDEV $LOOPMOUNT -o $LOOPFSOPTS
cd $LOOPMOUNT
echo "Timing CVS co"
time cvs ${CVS_OPT} co ${CVS_OPT_CO} $CVSMODULE
echo "Timing CVS up"
time cvs ${CVS_OPT} up ${CVS_OPT_UP} $CVSMODULE
cd /
echo "Free space stats"
df -h $LOOPMOUNT
df $LOOPMOUNT
echo "Cleaning up"
umount $LOOPMOUNT
losetup -d $LOOPDEV
rm $LOOPFILE