#!/bin/sh

# 
# Sebastien Wains
# http://www.wains.be
#
# $Id: create_svntrac_project.sh 5 2007-10-11 07:58:15Z sw $
#
# Create the SVN repository and TRAC environment for a project
# First, we run the script to create the SVN repository : script.sh project_name 0
# Then we import the project to the repository
# Next, we run the script again to create the TRAC env : script.sh project_name 1

# Variables

PATH=/usr/bin:/bin:/usr/sbin
SCRIPTNAME=`basename $0`

SVNDIR="/home/svn"
TRACDIR="/home/trac"
DEVUSER="sw"
APACHEGROUP="www-data"
APACHECONFIG=/etc/apache2/sites-available/default

# Script will take 2 args

if [ -z $2 ]
then

	echo "Usage : "
	echo " "
	echo "${SCRIPTNAME} project_name (0|1)"
	echo "project_name = NO space or special char"
	echo "0 = SVN repository creation"
	echo "1 = TRAC environment creation, SVN repository must exist and project must ALREADY BE imported"

exit 1
fi

# Are you root ?

ID=`id | awk -F'=' '{print $2}' | awk -F'(' '{print $1}'`

if [ "${ID}" != "0" ]
then
echo "You need to be ROOT !"
exit 1
fi

PROJECT=$1

if [ "$2" -eq "0" ]
then

	# Begin part one (SVN creation)
	
	# Create SVN project
	
	echo "Creating SVN project named ${PROJECT}"
	
	svnadmin create ${SVNDIR}/${PROJECT}
	
	# Set permissions to the SVN repository (sw:www-data + set-gid)
	
	echo "Setting permissions to the SVN repository"
	
	chown -R ${DEVUSER}:${APACHEGROUP} ${SVNDIR}/${PROJECT}
	cd ${SVNDIR}/${PROJECT}
	find -type d | xargs chmod 2755
	find -type f | xargs chmod 644

	echo "Before creating the TRAC environment, you must import your project to the SVN repository"
	echo "svn import /path/to/project file:///${SVNDIR}/${PROJECT} -m 'initial import'"
	echo " "
	echo "When done, run \"${SCRIPTNAME} ${PROJECT} 1\""

	exit 0
	# Part one done
fi

if [ "$2" -eq "1" ]
then

	# Begin part two

	# Create the TRAC environment
	# initenv <projectname> <db> <repostype> <repospath> <templatepath>
	
	echo "Creating the TRAC environment for the project"
	
	trac-admin ${TRACDIR}/${PROJECT} initenv ${PROJECT} sqlite:db/trac.db svn ${SVNDIR}/${PROJECT} /usr/share/trac/templates 
	
	# Setting permissions on the TRAC project (sw:www-data + set-gid)
	
	echo "Setting permissions to the TRAC files"
	
	chown -R ${DEVUSER}:${APACHEGROUP} ${TRACDIR}/${PROJECT}
	cd ${TRACDIR}/${PROJECT}
	find -type d | xargs chmod 2775
	find -type f | xargs chmod 664
	
	# Create config in Apache2
	# Under Debian : /etc/apache2/sites-available/default
	
	echo "Adding config to Apache"
	
	echo " " >> ${APACHECONFIG}
	echo "# TRAC : ${PROJECT}" >> ${APACHECONFIG}
	echo "ScriptAlias /${PROJECT} /usr/share/trac/cgi-bin/trac.cgi" >> ${APACHECONFIG}
	echo "<Location \"/${PROJECT}\">" >> ${APACHECONFIG}
	echo " SetEnv TRAC_ENV "${TRACDIR}/${PROJECT}"" >> ${APACHECONFIG}
	echo "</Location>" >> ${APACHECONFIG}
	echo " "   >> ${APACHECONFIG}
	echo "<Location \"/${PROJECT}/login\">" >> ${APACHECONFIG}
	echo "  AuthType Basic" >> ${APACHECONFIG}
	echo "  AuthName "${PROJECT}"" >> ${APACHECONFIG}
	echo "  AuthUserFile /etc/apache2/passwd-svn" >> ${APACHECONFIG}
	echo "  Require valid-user" >> ${APACHECONFIG}
	echo "</Location>" >> ${APACHECONFIG}
	
	# Restart Apache
	
	echo "Restarting Apache"
	invoke-rc.d apache2 restart
	
	# Setting TRAC permissions
	
	echo "TRAC : Removing some permissions to anonymous"
	trac-admin ${TRACDIR}/${PROJECT} permission remove anonymous FILE_VIEW
	trac-admin ${TRACDIR}/${PROJECT} permission remove anonymous WIKI_CREATE
	trac-admin ${TRACDIR}/${PROJECT} permission remove anonymous WIKI_MODIFY
	
	echo "TRAC : Granting these permissions to ${DEVUSER}"
	trac-admin ${TRACDIR}/${PROJECT} permission add ${DEVUSER} FILE_VIEW
	trac-admin ${TRACDIR}/${PROJECT} permission add ${DEVUSER} WIKI_CREATE
	trac-admin ${TRACDIR}/${PROJECT} permission add ${DEVUSER} WIKI_MODIFY

	exit 0
	# Part two done

fi