doc.silverstripe.org/scripts/pull-from-git

#!/bin/bash 
#
# Pulls the documentation from our temp github repo and pulls it
# into the specific folders
#
# Usage ./scripts/pull-from-git
#

if [ `whoami` = "Will" ]; then 
	repo=git@github.com:willrossi/silverstripe-doc-restructuring.git
else
	repo=git://github.com/willrossi/silverstripe-doc-restructuring.git
fi

scrpt=`dirname $0` 
temp="docs"

# make sure that we're in the correct dir
cd $scrpt; cd ../

# clone the repo down, or update it if it already exists
if [ ! -d $temp ]; then	
	echo "Checking out documentation"
	mkdir $temp
	touch $temp/_manifest_exclude
	git clone $repo $temp
else
	# git pull must be performed in the folder with the checkout
	echo "Updating documentation"
	cd $temp
	git pull origin master
	cd ../
fi
		
# remove the current docs if they exists.
# move it to a backup location because I know someone will
# make some changes to the docs and lose all their work
echo "Preparing folders"

if [ -d "cms/docs" ]; then
	if [ -d "cms/docs_backup" ]; then 
		rm -rf cms/docs_backup
	fi
	mv cms/docs	cms/docs_backup
fi

if [ -d "sapphire/docs" ]; then
	if [ -d "sapphire/docs_backup" ]; then 
		rm -rf sapphire/docs_backup
	fi
	mv sapphire/docs sapphire/docs_backup
fi

echo "Moving files into place"

# copy the cms and sapphire docs to their correct locations
cp -R $temp/master/cms/docs cms/
cp -R $temp/master/sapphire/docs sapphire/

echo "Finished. Time for a beer."