#!/usr/bin/env python
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"""
Verify basic operation of the --interactive command line option to build
a target, rebuild it when the input changes, and not rebuild it when
the input doesn't change.

Also tests that "scons" can be used as a synonym for "build".
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """\
Command('foo.out', 'foo.in', Copy('$TARGET', '$SOURCE'))
Command('1', [], Touch('$TARGET'))
Command('2', [], Touch('$TARGET'))
""")

test.write('foo.in', "foo.in 1\n")



scons = test.start(arguments = '-Q --interactive')

scons.send("build foo.out\n")

scons.send("build 1\n")

test.wait_for(test.workpath('1'))

test.must_match(test.workpath('foo.out'), "foo.in 1\n")



test.write('foo.in', "foo.in 2\n")

scons.send("build --tree=all foo.out\n")

scons.send("scons 2\n")

test.wait_for(test.workpath('2'))

test.must_match(test.workpath('foo.out'), "foo.in 2\n")



test.pass_test()

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