check-xmllint

#!/bin/sh

XMLLINT=xmllint

if [ -t 1 ]; then
  R=$(tput setaf 1)
  G=$(tput setaf 2)
  Y=$(tput setaf 3)
  N=$(tput sgr0)
fi

args=$(getopt i $*)
if [ $? -ne 0 ]; then
  echo "Usage: check-xmllint [-i] <files..>
  -i overwrite files with xmllint formatted content
"
  exit 2
fi
set -- $args

inplace=0

while true; do
  case "$1" in
    -i)
      inplace=1
      ;;
    --)
      shift
      break
      ;;
  esac
  shift
done

retval=0

for FILE in $*; do
  tmpfile=$(mktemp)
  if ! $XMLLINT --format $FILE > $tmpfile; then
      echo "XML check for $FILE: ${R}cannot parse${N}"
      retval=1
  else
    if ! diff $tmpfile $FILE; then
      if [ $inplace -eq 0 ]; then
        echo "XML check for $FILE: ${R}failed${N}"
        retval=2
      else
        tmpfile=$(mktemp)
        $XMLLINT --format $FILE > $tmpfile
        cp $tmpfile $FILE
        echo "XML check for $FILE: ${Y}reformatted${N}"
      fi
    else
      echo "XML check for $FILE: ${G}OK${N}"
    fi
  fi
  rm -f $tmpfile
done

exit $retval