[build2] Variables in nested config.build

[Boris Kolpackov]

Ankur deDev <ankur.dedev at tuta.io> writes:

> bld/
> └── confa
>     ├── build
>     │   ├── bootstrap.build
>     │   ├── config.build
>     │   └── root.build
>     ├── confa1
>     │   └── build
>     │       ├── bootstrap.build
>     │       └── config.build
>     └── confa2
>         └── build
>             ├── bootstrap.build
>             └── config.build
> 
> bootstrap.build containing 'amalgamation = ../' for confa1 and confa2.
> 
> For example, if I set the config.build like this:
> - confa/build/config.build contains 'test_var += "VAR-A"'
> - confa/confa1/build/config.build contains 'test_var += "VAR-A1"'
> - confa/confa1/build/config.build contains 'test_var += "VAR-A2"'
> 
> Then, running "b '{update}(./hlo at bld/confa/{*/ -build/})' --verbose 6",
> I get "test_var=VAR-A1" for confa1 and "test_var=VAR-A VAR-A2" for confa2
> [...]

Strange, I would expect this to work the way you are expecting. Can you
add:

print $test_var

To each config.build and see what's printed? If it still doesn't look
right, can you provide a .tar.gz of bld/ so I can take a look?

Boris