text: #!/usr/bin/env python
  #
  # MIT License
  #
  # Copyright The SCons Foundation
  #
  # Permission is hereby granted, free of charge, to any person obtaining
  # a copy of this software and associated documentation files (the
  # "Software"), to deal in the Software without restriction, including
  # without limitation the rights to use, copy, modify, merge, publish,
  # distribute, sublicense, and/or sell copies of the Software, and to
  # permit persons to whom the Software is furnished to do so, subject to
  # the following conditions:
  #
  # The above copyright notice and this permission notice shall be included
  # in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  """
  Verify that setting the $TEMPFILEPREFIX variable will cause
  it to appear at the front of name of the generated tempfile
  used for long command lines.
  """
  
  import TestSCons
  
  test = TestSCons.TestSCons(match=TestSCons.match_re)
  
  test.write('SConstruct', """
  import os
  
  env = Environment(
      BUILDCOM='${TEMPFILE("xxx.py $TARGET $SOURCES")}',
      MAXLINELENGTH=16,
      TEMPFILEPREFIX='-via',
  )
  env.AppendENVPath('PATH', os.curdir)
  env.Command('foo.out', 'foo.in', '$BUILDCOM')
  """)
  
  test.write('foo.in', "foo.in\n")
  
  test.run(
      arguments='-n -Q .',
      stdout="""\
  Using tempfile \\S+ for command line:
  xxx.py foo.out foo.in
  xxx.py -via\\S+
  """)
  
  test.write('SConstruct', """
  import os
  
  def print_cmd_line(s, targets, sources, env):
      pass
  
  env = Environment(
      BUILDCOM = '${TEMPFILE("xxx.py $TARGET $SOURCES")}',
      MAXLINELENGTH = 16,
      TEMPFILEPREFIX = '-via',
      PRINT_CMD_LINE_FUNC=print_cmd_line
  )
  env.AppendENVPath('PATH', os.curdir)
  env.Command('foo.out', 'foo.in', '$BUILDCOM')
  """)
  
  test.run(arguments='-n -Q .', stdout="")
  
  test.write('SConstruct', """
  import os
  from SCons.Platform import TempFileMunge
  
  class TestTempFileMunge(TempFileMunge):
      def __init__(self, cmd, cmdstr=None):
          super().__init__(cmd, cmdstr)
  
      def _print_cmd_str(self, target, source, env, cmdstr):
          super()._print_cmd_str(target, source, None, cmdstr)
  
  env = Environment(
      TEMPFILE=TestTempFileMunge,
      BUILDCOM='${TEMPFILE("xxx.py $TARGET $SOURCES")}',
      MAXLINELENGTH=16,
      TEMPFILEPREFIX='-via',
  )
  env.AppendENVPath('PATH', os.curdir)
  env.Command('foo.out', 'foo.in', '$BUILDCOM')
  """)
  
  test.run(
      arguments='-n -Q .',
      stdout="""\
  Using tempfile \\S+ for command line:
  xxx.py foo.out foo.in
  xxx.py -via\\S+
  """)
  
  # make sure an empty prefix works too
  test.write('SConstruct', """
  import os
  from SCons.Platform import TempFileMunge
  
  class TestTempFileMunge(TempFileMunge):
      def __init__(self, cmd, cmdstr=None):
          super().__init__(cmd, cmdstr)
  
      def _print_cmd_str(self, target, source, env, cmdstr):
          super()._print_cmd_str(target, source, None, cmdstr)
  
  env = Environment(
      TEMPFILE=TestTempFileMunge,
      BUILDCOM='${TEMPFILE("xxx.py $TARGET $SOURCES")}',
      MAXLINELENGTH=16,
      TEMPFILEPREFIX='',
  )
  env.AppendENVPath('PATH', os.curdir)
  env.Command('foo.out', 'foo.in', '$BUILDCOM')
  """)
  
  test.run(
      arguments='-n -Q .',
      stdout="""\
  Using tempfile \\S+ for command line:
  xxx.py foo.out foo.in
  xxx.py [^@]\\S+
  """)
  
  test.pass_test()
  
  # Local Variables:
  # tab-width:4
  # indent-tabs-mode:nil
  # End:
  # vim: set expandtab tabstop=4 shiftwidth=4:
  