#!/bin/zsh

# Script to be run at the root of a CGAL branch.
# It scans the license of the files in */include, and write the files
# */package_info/*/license.txt

setopt extendedglob
OLD_LOCALE=$(locale | grep COLLATE | cut -d= -f2)
export LC_COLLATE="en_US.UTF-8"
for p in ^*build*(/); do
  if [ -d $p/include ]; then
      licFile=$p/package_info/$p/license.txt
      l=`licensecheck -r $p/include $p/src | awk -F': ' '{print $2}' | grep -v BSL | sed -e 's/ *GENERATED FILE//' | sort -u`
      if [ "x`echo $l | wc -l`" = "x1" ]; then
          echo $l > "$licFile"
      elif [ -z "`echo $l | grep -Ev '^L?GPL \(v3 or later\) *$'`" ]; then
          echo 'GPL (v3 or later)' > "$licFile"
      else
#          echo "MULTIPLE!" > "$licFile";
          echo $l > "$licFile"
      fi
  fi
done
export LC_COLLATE=$OLD_LOCALE