Defaults from other bundles.

gistfile1.txt

body common control
{
bundlesequence =>
    { "main", };

} 

bundle agent g
{
    vars:
        foo::
            "masterfiles" string => "${sys.workdir}/repos/custom/masterfiles";
}

bundle agent c
{
    defaults:
        "masterfiles"
            if_match_regex => "\$\{g\.masterfiles\}",
            string         => "${sys.workdir}/masterfiles";

    vars:
        "masterfiles" string => "${g.masterfiles}";
}

bundle agent main
{
    meta:
        "purpose" string => "Test defaults";


    methods:
        "vars" usebundle    => g;
        "config" usebundle  => c;
        "go" usebundle      => test;
}

bundle agent test
{
    reports:
        "masterfiles => ${c.masterfiles}";
}

$ cf-agent -Kf ./defaults.cf
2014-03-25T10:08:47-0400   notice: R: masterfiles => /home/newatson/.cfagent/masterfiles
$ cf-agent -Kf ./defaults.cf -D foo
2014-03-25T10:08:50-0400   notice: R: masterfiles => /home/newatson/.cfagent/repos/custom/masterfiles