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

"""
Verify that two calls to a builder with different overrides, but the same
action, generate a warning
"""

import TestSCons

test = TestSCons.TestSCons(match=TestSCons.match_re)

test.write('SConstruct', """\
DefaultEnvironment(tools=[])

def build(env, target, source):
    with open(str(target[0]), 'w') as f:
        f.write('1')

B = Builder(action=build)
env = Environment(tools=[], BUILDERS = { 'B' : B })
env.B('out.txt', [], arg=1)
env.B('out.txt', [], arg=2)
""")

expect = TestSCons.re_escape("""
scons: warning: Two different environments were specified for target out.txt,
\tbut they appear to have the same action: build(target, source, env)
""") + TestSCons.file_expr

test.run(arguments='out.txt', status=0, stderr=expect)
test.must_match('out.txt', '1')

test.pass_test()

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