#!/bin/sh

# Unix to Windows path conversion in a script.
# Useful for avoiding backslash quoting difficulties in Makefiles.
# Acts as a much dumbed down cygpath tool mainly for use on MinGW.

usage()
{
  cat <<EOF
Usage: $0 [-m|-u|-w|-h] [path]...

Convert Windows and Unix paths

  -m  Convert Unix path to mixed path (full paths, MinGW MSYS only)
  -u  Convert forward slashes to backslashes in the paths (relative paths only)
  -w  Convert backslashes to forward slashes in the paths (relative paths only)
EOF
}

option="$1"
case "$option" in
  -m) shift
      case $MACHTYPE in
        # This echo converts unix to mixed paths. Then zap unexpected trailing space on old versions of MinGW.
        *-msys) echo `cmd //c echo "$@" | sed -e "s/[ ]*$//"`;;
        *) echo "The -m option is only supported on MinGW MSYS" 1>&2; exit 1 ;;
      esac ;;
  -u) shift; echo $@ | sed -e 's,\\,/,g' ;;
  -w) shift; echo $@ | sed -e 's,/,\\,g' ;;
  -h) shift; usage; ;;
  *) usage; exit 1 ;;
esac

exit 0