ceph/src/spdk/scripts/eofnl

   1 #!/usr/bin/env bash
   2 # Make sure file has a trailing newline
   3
   4 f="$1"
   5
   6 if [ -z "$f" ]; then
   7         echo "usage: $0 <file>"
   8         exit 1
   9 fi
  10
  11 if [ ! -f "$f" ]; then
  12         exit 0
  13 fi
  14
  15 if [[ $(tail -c1 "$f") ]]; then
  16         echo "$f: No newline at end of file"
  17         echo '' >> "$f"
  18         exit 1
  19 fi
  20
  21 if [[ ! $(tail -c2 "$f") ]]; then
  22         echo "$f: Extra trailing newline"
  23         exit 1
  24 fi
  25
  26 if grep -q $'\r' "$f"; then
  27         echo "$f: DOS-style newlines"
  28         dos2unix "$f" &> /dev/null
  29         exit 1
  30 fi
  31
  32 if grep -q $'[\t ]$' "$f"; then
  33         echo "$f: Trailing whitespace"
  34         sed -i $'s/[ \t]*$//' "$f"
  35         exit 1
  36 fi
  37
  38 exit 0