#!/usr/bin/env bash
  
  # To run this, cd to the top level of the repo and type
  # misc/maintenance/fix_include_guards.sh
  
  set -e
  
  cd src
  rm -rf tmp
  
  for x in */*.h ; do
    name=`echo $x | tr '[a-z]/.-' '[A-Z]___' `
    m=KALDI_${name}_
    n=`grep ifndef $x | awk '{print $2}' | head -n 1`
    if [ "$m" != "$n" ]; then
      echo "$m != $n";
      if [ ! -z "$n" ]; then
        cp $x tmp; sed s/$n/$m/ <tmp >$x;
      else
        echo "Something wrong for file $x, maybe no include guard."
      fi
    fi
  done
  
  
  for x in */*.h ; do 
    name=`echo $x | tr '[a-z]/.-' '[A-Z]___' `
    m=KALDI_${name}_  
    n=`grep endif $x | grep _H_ | sed s://:: | awk '{print $2}' | head -n 1`
    if [ ! -s $n ] && [ "$m" != "$n" ]; then 
      echo "#endif: $m != $n";
      cp $x tmp; sed s/$n/$m/ <tmp > $x;
    fi
  done