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#!/usr/bin/env python
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
"""
Test changing the C source files based on an always-executed revision
extraction and substitution.
This makes sure we evaluate the content of intermediate files as
expected. We used to configure this explicitly using
TargetSignatures('content') but we now rely on the default behavior
being the equivalent of Decider('content').
"""
import os.path
import TestSCons
_python_ = TestSCons._python_
test = TestSCons.TestSCons()
test.write('getrevision', """
#!/usr/bin/env python
import string
print string.strip(open('revnum.in','rb').read())
""")
test.write('SConstruct', """
import re
import string
def subrevision(target, source ,env):
orig = target[0].get_contents()
new = re.sub('\$REV.*?\$',
'$REV: %%s$'%%string.strip(source[0].get_contents()),
target[0].get_contents())
outf = open(str(target[0]),'wb')
outf.write(new)
outf.close()
SubRevision = Action(subrevision)
env=Environment()
content_env=env.Clone()
content_env.Command('revision.in', [], '%(_python_)s getrevision > $TARGET')
content_env.AlwaysBuild('revision.in')
env.Precious('main.c')
env.Command('main.c', 'revision.in', SubRevision)
exe = env.Program('main.c')
env.Default(exe)
""" % locals())
test.write('main.c', """\
#include <stdio.h>
#include <stdlib.h>
#include <stdio.h>
int
main(int argc, char *argv[])
{
printf("Revision $REV$\\n");
exit (0);
}
""")
test.write('revnum.in', '3.2\n')
prog = 'main' + TestSCons._exe
light_build=test.wrap_stdout("""\
%(_python_)s getrevision > revision.in
""" % locals())
test.run(arguments='.')
test.must_exist(prog)
test.run(program=test.workpath(prog), stdout='Revision $REV: 3.2$\n')
test.run(arguments='.', stdout=light_build)
test.must_exist(prog)
test.run(arguments='.', stdout=light_build)
test.must_exist(prog)
test.write('revnum.in', '3.3\n')
test.run(arguments='.')
test.must_exist(prog)
test.run(program=test.workpath(prog), stdout='Revision $REV: 3.3$\n')
test.pass_test()
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