#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Test the SHELL construction variable.
"""

import os
import sys


import TestSCons

python = TestSCons.python
_python_ = TestSCons._python_

test = TestSCons.TestSCons()

if sys.platform == 'win32':
    msg = 'Cannot set SHELL separately from other variables on Windows.\n'
    test.skip_test(msg)

my_shell = test.workpath('my_shell.py')

test.write(my_shell, """\
#!%(python)s
import os
import sys
cmd = sys.argv[2]
def stripquote(s):
    if s[0] == '"' and s[-1] == '"' or \
       s[0] == "'" and s[-1] == "'":
        s = s[1:-1]
    return s
args = stripquote(sys.argv[2]).split()
args = list(map(stripquote, args))
with open(args[2], 'wb') as ofp:
    for f in args[3:] + ['extra.txt']:
        with open(f, 'rb') as ifp:
            ofp.write(ifp.read())
sys.exit(0)
""" % locals())

os.chmod(my_shell, 0o755)

test.write('SConstruct', """\
env = Environment(SHELL = r'%(my_shell)s')
env.Command('file.out', 'file.in',
            'r%(_python_)s fake_cat_program $TARGET $SOURCES')
""" % locals())

test.write('file.in', "file.in\n")
test.write('extra.txt', "extra.txt\n")

test.run()

test.must_match('file.out', "file.in\nextra.txt\n")

test.pass_test()

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