7290 ZFS test suite needs to control what utilities it can run
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 23,32 ****
--- 23,36 ----
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
+ #
+ # Copyright (c) 2016 by Delphix. All rights reserved.
+ #
+ 
  . $STF_SUITE/tests/functional/truncate/truncate.cfg
  . $STF_SUITE/include/libtest.shlib
  
  #
  # DESCRIPTION:
*** 42,52 ****
  
  verify_runnable "global"
  
  function cleanup
  {
!         [[ -e $TESTDIR ]] && log_must $RM -rf $TESTDIR/*
  }
  
  log_assert "Ensure file with random blocks is truncated properly"
  
  options=""
--- 46,56 ----
  
  verify_runnable "global"
  
  function cleanup
  {
!         [[ -e $TESTDIR ]] && log_must rm -rf $TESTDIR/*
  }
  
  log_assert "Ensure file with random blocks is truncated properly"
  
  options=""
*** 64,75 ****
  
  [[ -n "$TRUNC_FILEOFFSET" ]] && options="$options -o $TRUNC_FILEOFFSET "
  
  [[ -n "$options" ]] && options_display=$options
  
! log_note "Invoking $FILE_TRUNC with: $options_display"
! log_must $FILE_TRUNC $options $TESTDIR/$TESTFILE
  
  typeset dir=$(get_device_dir $DISKS)
  verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"
  
  log_pass "Random blocks have been truncated properly."
--- 68,79 ----
  
  [[ -n "$TRUNC_FILEOFFSET" ]] && options="$options -o $TRUNC_FILEOFFSET "
  
  [[ -n "$options" ]] && options_display=$options
  
! log_note "Invoking file_trunc with: $options_display"
! log_must file_trunc $options $TESTDIR/$TESTFILE
  
  typeset dir=$(get_device_dir $DISKS)
  verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"
  
  log_pass "Random blocks have been truncated properly."