tests/rm/dangling-symlink

   1 #!/bin/sh
   2 # rm should not prompt before removing a dangling symlink.
   3 # Likewise for a non-dangling symlink.
   4 # But for fileutils-4.1.9, it would do the former and
   5 # for fileutils-4.1.10 the latter.
   6
   7 if test "$VERBOSE" = yes; then
   8   set -x
   9   rm --version
  10 fi
  11
  12 pwd=`pwd`
  13 t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
  14 trap 'status=$?; cd $pwd; chmod -R u+rwx $t0; rm -rf $t0 && exit $status' 0
  15 trap '(exit $?); exit' 1 2 13 15
  16
  17 framework_failure=0
  18 mkdir -p $tmp || framework_failure=1
  19 cd $tmp || framework_failure=1
  20 ln -s no-file dangle
  21 ln -s / symlink
  22
  23 if test $framework_failure = 1; then
  24   echo "$0: failure in testing framework" 1>&2
  25   (exit 1); exit 1
  26 fi
  27
  28 fail=0
  29
  30 rm --presume-input-tty dangle symlink &
  31 pid=$!
  32 # The buggy rm (fileutils-4.1.9) would hang here, waiting for input.
  33
  34 # Give the working rm a chance to remove the file.
  35 sleep 1
  36
  37 # The file must no longer exist.
  38 ls -l dangle > /dev/null 2>&1 && fail=1
  39 ls -l symlink > /dev/null 2>&1 && fail=1
  40
  41 kill $pid > /dev/null 2>&1
  42
  43 (exit $fail); exit $fail