#!/bin/bash -e

MACHINE=$(uname -m)
case "$MACHINE" in
  x86_64) ARCHITECTURE=amd64;;
  i686)   ARCHITECTURE=i386;;
  i386)   ARCHITECTURE=i386;;
esac

SANDBOX=`pwd`/.cabal-sandbox
VERSION=$(grep -e '^Version' pandoc.cabal | awk '{print $2}')
DEBPKGVER=1
DEBVER=$VERSION-$DEBPKGVER
BASE=pandoc-$DEBVER-$ARCHITECTURE
DIST=`pwd`/$BASE
MANDIR=`pwd`/man
DEST=$DIST/usr
ME=$(whoami)
COPYRIGHT=$DEST/share/doc/pandoc/copyright

# echo Removing old files...
rm -rf $DIST

cabal sandbox init
echo Updating database
cabal update

export PATH=`pwd`/.cabal-sandbox/bin:$PATH
which hsb2hs || cabal install hsb2hs
echo Building pandoc...
cabal clean
cabal install --force --reinstall --flags="embed_data_files make-pandoc-man-pages" . pandoc-citeproc

make man
# get pandoc-citeproc man page:
PANDOC_CITEPROC_PATH=`cabal unpack -d make_binary_package.tmp.$$ pandoc-citeproc | awk '{print $3;}'`
strip $SANDBOX/bin/pandoc
strip $SANDBOX/bin/pandoc-citeproc
mkdir -p $DEST/bin
mkdir -p $DEST/share/man/man1
mkdir -p $DEST/share/man/man5
mkdir -p $DEST/share/doc/pandoc
mkdir -p $DEST/share/doc/pandoc-citeproc
find $DIST -type d | xargs chmod 755
cp $SANDBOX/bin/pandoc $DEST/bin/
cp $SANDBOX/bin/pandoc-citeproc $DEST/bin/
$SANDBOX/bin/pandoc --man1 > $DEST/share/man/man1/pandoc.1
gzip -9 $DEST/share/man/man1/pandoc.1
$SANDBOX/bin/pandoc --man5 > $DEST/share/man/man5/pandoc_markdown.5
gzip -9 $DEST/share/man/man5/pandoc_markdown.5
cp $PANDOC_CITEPROC_PATH/man/man1/pandoc-citeproc.1 $DEST/share/man/man1/
gzip -9 $DEST/share/man/man1/pandoc-citeproc.1
cp COPYRIGHT $COPYRIGHT
echo "" >> $COPYRIGHT
echo "pandoc-citeproc" >> $COPYRIGHT
cat $PANDOC_CITEPROC_PATH/LICENSE >> $COPYRIGHT
rm -rf make_binary_package.tmp.$$

INSTALLED_SIZE=$(du -B 1024 -s $DEST | awk '{print $1}')
mkdir $DIST/DEBIAN
perl -pe "s/VERSION/$DEBVER/" deb/control.in | \
  perl -pe "s/ARCHITECTURE/$ARCHITECTURE/" | \
  perl -pe "s/INSTALLED_SIZE/$INSTALLED_SIZE/" \
  > $DIST/DEBIAN/control

fakeroot dpkg-deb --build $DIST
rm -rf $DIST