#!/bin/bash -e
usage='
  dosEolnCheck kentDir

Check for Git-tracked files that have MS-DOS style EOLNs (CR/LF)

Arguments:
   o kentDir - top of kent tree; this should be the "kent" directory,
     NOT kent/src.
'

if [ $# -ne 1 ]  ; then
    echo "Error: wrong number of arguments" >&2
    echo "$usage" >&2
    exit 1
fi
kentDir="$1"

cd $kentDir

gitFiles | awk 'NR>1{print $1}' | xargs file | awk '
/with CRLF line terminators/ {
    if (crlfCnt == 0) {
        print "Error: files tracked in Git with MS-DOS CRLF line terminators" > "/dev/stderr";
    }
    print gensub(":","","g", $1) > "/dev/stderr";
    crlfCnt++;
}
END {
    if (crlfCnt > 0) {
        print "Error:",crlfCnt,"files tracked in Git with MS-DOS CRLF line terminators" > "/dev/stderr";
        exit(1);
    }
}
'
if [ "${PIPESTATUS[*]}" != "0 0 0 0 0" ] ; then
    exit 1
fi