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25 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
28 Test changing the C source files based on an always-executed revision
29 extraction and substitution.
36 _python_ = TestSCons._python_
38 test = TestSCons.TestSCons()
40 test.write('getrevision', """
43 print string.strip(open('revnum.in','rb').read())
46 test.write('SConstruct', """
50 def subrevision(target, source ,env):
51 orig = target[0].get_contents()
52 new = re.sub('\$REV.*?\$',
53 '$REV: %%s$'%%string.strip(source[0].get_contents()),
54 target[0].get_contents())
55 outf = open(str(target[0]),'wb')
59 SubRevision = Action(subrevision)
62 content_env=env.Copy()
63 content_env.TargetSignatures('content')
64 content_env.Command('revision.in', [], '%(_python_)s getrevision > $TARGET')
65 content_env.AlwaysBuild('revision.in')
66 env.Precious('main.c')
67 env.Command('main.c', 'revision.in', SubRevision)
68 exe = env.Program('main.c')
72 test.write('main.c', """\
77 main(int argc, char *argv[])
79 printf("Revision $REV$\\n");
84 test.write('revnum.in', '3.2\n')
86 prog = 'main' + TestSCons._exe
88 light_build=test.wrap_stdout("""\
89 %(_python_)s getrevision > revision.in
92 test.run(arguments='.')
94 test.run(program=test.workpath(prog), stdout='Revision $REV: 3.2$\n')
96 test.run(arguments='.', stdout=light_build)
99 test.run(arguments='.', stdout=light_build)
100 test.must_exist(prog)
102 test.write('revnum.in', '3.3\n')
104 test.run(arguments='.')
105 test.must_exist(prog)
106 test.run(program=test.workpath(prog), stdout='Revision $REV: 3.3$\n')