[Buildbot-devel] CopyProperties for ShellCommand?

[Mike Winter]

I need to pass a host of properties to a homespun Source kind of step to set the environment up.....and WithProperties is not quite right for I get a render exception, so I searched to

http://trac.buildbot.net/ticket/554 which is v close to solving something I need for a source and compile kind of build-step. I think of a solution like Source(cmd, env = CopyProperties('foo')). where foo: {'prop1': val1, 'prop2': val2}

You may ask why is the env-setting so large. I dont have an answer, but I know there are better ways. 

The code might look like:

def glob2get_ace_env(rc, stdout, stderr):
    lines = [l.strip() for l in stdout.split('\n') ]
    filtered = '\n'.join(l for l in lines if l.find('=') != -1)
    from configobj import ConfigObj
    import StringIO
    cfg = ConfigObj(StringIO.StringIO(filtered))
    return {'ace_env': cfg.dict() }

def buildSteps(f, branch):
    f.addStep(SetProperty(name='envfile',
                          command= ['/auto/itasca/tools/bin/aceInfo', '-b', branch, "envFile"],
                          property= "aceenvfile"))

    f.addStep(SetProperty(name='envResult',
                          command=["bash", "-c", WithProperties("source %(aceenvfile)s; env")],
                          extract_fn=glob2get_ace_env))

    step = ACME(name='acme',
			  mode='update'
                          environ = CopyProperties('ace_env'))

    f.addStep(step)
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