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

"""
Test retrieving derived files from a CacheDir.

This tests the case reported by Jeff Petkau (SourceForge bug #694744)
where a target is source for another target with a scanner, which used
to cause us to push the file to the CacheDir after the build signature
had already been cleared (as a sign that the built file should now
be rescanned).
"""

import TestSCons

test = TestSCons.TestSCons()

cache = test.workpath('cache')

test.subdir('cache', 'subdir')

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

CacheDir(r'%(cache)s')

def docopy(target,source,env):
    data = source[0].get_contents()
    with open(target[0].rfile().get_abspath(), "wb") as f:
        f.write(data)

def sillyScanner(node, env, dirs):
    print('This is never called (unless we build file.out)')
    return []

SillyScanner = SCons.Scanner.Base(function = sillyScanner, skeys = ['.res'])

env = Environment(tools=[],
                  SCANNERS = [SillyScanner],
                  BUILDERS = {})

r = env.Command('file.res', 'file.ma', docopy)

env.Command('file.out', r, docopy)

# make r the default. Note that we don't even try to build file.out,
# and so SillyScanner never runs. The bug is the same if we build
# file.out, though.
Default(r)
""" % locals())

test.write(['subdir', 'file.ma'], "subdir/file.ma\n")

test.run(chdir = 'subdir')

test.must_not_exist(test.workpath(cache, 'N', 'None'))



test.pass_test()

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