#!/bin/sh

package='tufte-latex'
class='tufte-handout.cls'

# Exit on first error:

set -e

# Verify prerequisites:

if test $# -ne 1
then
  echo "Usage: $0 VERSION"
  exit 1
fi

version=$1

if ! echo $version | grep -E "^[0-9]+\.[0-9]+\.[0-9]+$"
then
  echo "VERSION should be of the form 1.2.5 (major.minor.revision)"
  exit 1
fi

if ! grep -q $version $class
then
  echo "Error: version skew. '$version' does not match that in class"
  grep -H ProvidesClass $class
  exit 1
fi

if ! grep -q $version History.txt
then
  echo "Error: no release notes for '$version' found in History.txt"
  grep -H $version History.txt
  exit 1
fi

class_date=`date +%Y/%m/%d` # (with slashes)

if ! grep -q $class_date $class
then
  echo "Error: date skew. '$class_date' does not match that in class"
  grep -H ProvidesClass $class
  exit 1
fi 

history_date=`date +%Y-%m-%d` # (with dashes)

if ! grep -q $history_date History.txt
then
  echo "Error: '$history_date' not found in History.txt"
  grep -H $history_date History.txt
  exit 1
fi

# Refresh sample document

pdflatex sample-handout >  refresh-sample.log
bibtex   sample-handout >> refresh-sample.log
pdflatex sample-handout >> refresh-sample.log
pdflatex sample-handout >> refresh-sample.log
rm -f sample-handout.{aux,log,out,blg,bbl} refresh-sample.log

# To ease googlecode upload, make a distinct version of sample-handout:

cp sample-handout.pdf sample-handout-$version.pdf

# Make bundle for Google Code release

mkdir -p pkg/$package-$version
tar cf - `cat Manifest.txt` | ( cd pkg/$package-$version && tar xf - )
( cd pkg && zip -rq $package-$version.zip $package-$version )

# Make bundle for CTAN release

TDS_DIR=pkg/$package/tds/
TDS_TEX_DIR=$TDS_DIR/tex/latex/$package/
TDS_DOC_DIR=$TDS_DIR/doc/latex/$package/
TDS_SRC_DIR=$TDS_DIR/source/latex/$package/

mkdir -p $TDS_DIR $TDS_TEX_DIR $TDS_DOC_DIR $TDS_SRC_DIR

cp tufte-handout.cls $TDS_TEX_DIR/

cp History.txt README.txt sample-handout.{pdf,tex,bib} $TDS_DOC_DIR/
mkdir $TDS_DOC_DIR/graphics
cp graphics/* $TDS_DOC_DIR/graphics/

cp tufte-handout.cls sample-handout.{tex,bib} $TDS_SRC_DIR/

( cd $TDS_DIR && zip -rq ../../$package-$version/$package.tds.zip * )
rm -fr pkg/$package
mv pkg/$package-$version pkg/$package
( cd pkg && zip -rq $package.zip $package )

# Remove our temporary files
rm -fr pkg/$package

# Provide some cut-n-paste material for manual steps:

cat << MESSAGE

`openssl dgst -sha1 pkg/$package-$version.zip`

Don't forget to create an SVN tag (after committing changes),

 svn cp -m'To tag release $version.' \\
   https://$package.googlecode.com/svn/trunk \\
   https://$package.googlecode.com/svn/tags/rel_$version

and upload the zip file,

 http://code.google.com/p/$package/downloads/list
 http://ctan.org/upload

MESSAGE