#!/bin/bash
#
# build-alpha: build release of TWiki code from CVS
#
# Copyright (C) 2002-2003 Richard Donkin
# http://twiki.org/cgi-bin/view/Main/RichardDonkin
#
# For licensing info read license.txt file in the TWiki root.
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details, published at 
# http://www.gnu.org/copyleft/gpl.html

# This script runs from a SF shell server, using the following crontab
# - requires a ~/.cvslogin file for pserver access to CVS
#
# 	# Build TWiki Alpha every night (Pacific time)
#	45 23 * * *      $HOME/build/build-alpha


set -u

# Note use of cvs1 from shell servers
export CVSROOT=:pserver:rdonkin@cvs1:/cvsroot/twiki

live=/home/groups/t/tw/twiki/htdocs		# http://twiki.org/ dir

keepdays=7					# No. of days to keep old alphas

alpha=$live/alpha

unset TZ
date=`date +'%Y%m%d'`
tag=${date}alpha

echo Building release $tag

cd $HOME/temp-build

zip=twiki-$tag.zip
tar=twiki-$tag.tar.gz

rm -f $zip $tar			# Remove old versions (testing only)

# Export HEAD revision files and build .tar.gz and .zip files in current
# directory
$HOME/build/cvsrelease -z -t HEAD -r $tag twiki

# Test the files
if tar tzf $tar >/dev/null 2>&1 ; then
    if unzip -t $zip >/dev/null 2>&1 ; then
        :
    else
        echo Bad zip file
        exit 2
    fi
else
    echo Bad tar file
    exit 1
fi

# Rename files to TWiki*
ls $tar $zip | 
    sed 's/.*/mv & ZZ&/;
	 s/ZZtwiki-/TWiki/' |
    sh

# Get 2 most recent files
files=`ls -t TWiki* | head -2`

# Copy files to web visible directory and remove temp files
cp -p $files $alpha && 
    rm -f $files

# Purge old files 
cd $alpha && 
    ( set -x 
      find . -name 'TWiki*[zp]' -mtime +$keepdays -print | 
      xargs rm -f 
    )