#! /bin/bash

# shell options: -o = on, +o = off
set -o errexit # exit on first error
set -o nounset # report unset variables
set +o xtrace  # show commands

PACKAGE="tufte-latex"

CLASS_FILES="tufte-handout.cls tufte-book.cls"
DEF_FILES="tufte-common.def"
BST_FILES="tufte.bst"
SOURCE_FILES="sample-handout.pdf sample-handout.tex sample-handout.bib sample-book.pdf sample-book.tex"

if test $# -ne 1 ; then echo "Usage: $0 3.5.2 (version number)" ; exit 1 ; fi

VERSION=$1
DATE=$(date +"%Y/%m/%d")

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

# TODO: instead of all this checking, just sed values into the appropriate files

for class_file in $CLASS_FILES ; do
  if ! grep -q $VERSION $class_file -o ! grep -q $DATE $class_file ; then
    echo "Error: '$VERSION' and '$DATE' do not match that in $class_file:"
    grep -H ProvidesClass $class_file
    exit 1
  fi
done

for aux_file in $DEF_FILES ; do
  if ! grep -q $VERSION $aux_file -o ! grep -q $DATE $aux_file ; then
    echo "Error: '$VERSION' and '$DATE' do not match that in $aux_file"
    grep -H ProvidesFile $aux_file
    exit 1
  fi
done

VERSION_DATE="$VERSION - $DATE"
if ! grep -q "$VERSION_DATE" History.txt ; then
  echo "Error: no release notes for '$VERSION_DATE' found in History.txt"
  exit 1
fi

# Refresh sample documents

echo "Building sample-handout ..."
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,blg,bbl,log,out} refresh-sample.log
echo "Success"

echo "Building sample-book ..."
pdflatex sample-book >  refresh-book.log
bibtex   sample-book >> refresh-book.log
texindy --language english sample-book.idx >> refresh-book.log
pdflatex sample-book >> refresh-book.log
pdflatex sample-book >> refresh-book.log
rm -f sample-book.{aux,blg,bbl,idx,ind,lof,log,lot,out,toc} refresh-book.log
echo "Success"

# To ease Google Code upload, make a distinct version of samples:

cp sample-handout.pdf sample-handout-$VERSION.pdf
cp sample-book.pdf    sample-book-$VERSION.pdf

# Make bundle for Google Code release

echo "Creating zip bundle for Google Code release ..."
mkdir -p pkg/$PACKAGE-$VERSION
tar -cf - $(cat Manifest.txt) | tar -C pkg/$PACKAGE-$VERSION -xf -
( cd pkg && zip -rq $PACKAGE-$VERSION.zip $PACKAGE-$VERSION )
echo "Complete"

# 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/

echo "Creating zip bundle for CTAN release ..."
mkdir -p $TDS_DIR $TDS_TEX_DIR $TDS_DOC_DIR $TDS_SRC_DIR

cp $CLASS_FILES $DEF_FILES $BST_FILES $TDS_TEX_DIR/

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

cp $CLASS_FILES $DEF_FILES $BST_FILES $SOURCE_FILES $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 )
echo "Complete"

# TODO: test release (unpack and build sample-*.tex files)

# Remove our temporary files
rm -rf 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