#!/bin/bash

#
# Append the licenses for this project's dependencies to the end of the LICENSE file, if it exists.
#

dir='.'
target='./LICENSE'
tmp="$target.tmp"
year="$(date '+%Y')"

# Update dependency licenses in the LICENSE file, if it exists.
if [[ -f "$target" ]] ; then
  sed \
    -e "s/\(^ *Copyright [^0-9]*[0-9][0-9][0-9][0-9]\)\([0-9-]*\)/\1-$year/" \
    -e "s/\(^ *Copyright [^0-9]*$year\)\(-$year\)/\1/" \
    -e '/DEPENDENCY LICENSES:/,$d' "$target" | sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' > "$tmp"
  (
    echo
    echo "DEPENDENCY LICENSES:"
    echo
    composer -n --working-dir=$dir licenses --no-dev | sed -e '1,/^ *$/d'
  ) >> "$tmp"
  mv -f "$tmp" "$target"
fi