#!/bin/sh


# Where to find the package documentation?
# The documentation of a package is expected at 
#   $packages_dir/package-name/package-version/doc/html
packages_dir=archive

# Where to store the index files?
index_dir=docs

# Used by links from the index to the documentation of the packages.
# This is the (relative) path from $index_dir to $packages_dir.
index_to_packages_dir=../$packages_dir





# select all available haddock interface files, but only the newest version of
# each package
# at the same time, collect all available prolog files and create a master
# prolog
{ for name in `ls -1 $packages_dir | sort` ; do
    version=`ls $packages_dir/$name/ | sort | tail -n 1`
    haddock_file=$packages_dir/$name/$version/doc/html/$name.haddock
    prolog_file=$packages_dir/$name/$version/doc/html/prolog.txt
    if [ "$name" != "haskell98" ] ; then
      if [ -e "$haddock_file" ] ; then
        dir=$index_to_packages_dir/$name/$version/doc/html
        haddock_args="$haddock_args --read-interface=$dir,$haddock_file"
      fi
      if [ -e "$prolog_file" ] ; then
        echo "[@${name}@]"
        grep -v '^ *$$' $prolog_file
        echo
      fi
    fi
  done
} > libraries.txt

# Now create the combined contents and index pages
haddock --gen-index --gen-contents -o $index_dir \
        -t "Haskell Hierarchical Libraries" \
        -p libraries.txt \
        $haddock_args