Behaviour of compiler src-prefix flag has changed in 0.7.0

[Vaci]

Hi,

The src-prefix flag to the Capnp schema compiler appears to be affected by the import-path flag in version 0.7.0:

Given a schema file in the directory structure

src/A/B.capnp

% capnp compile -oc++ --src-prefix=src src/A/B.capnp

results in the following files being generated:

./A/B.capnp.h

./A/B.capnp.c++

..however, running

% capnp compile -oc++ --src-prefix=src --import-path src/A src/A/B.capnp

the generated files lose their subdirectory structure:

./B.capnp.h

./B.capnp.c++

When using version 0.6.1 of the compiler, the subdirectory ./A is generated in both cases.

Is this behaviour change intentional?

Regards,

Vaci

[Kenton Varda]

Hi Vaci,

Thanks. This is a bug. It appears to have been introduced here:

https://github.com/capnproto/capnproto/commit/b0868e347e977f18e7b5ee0b3267d8efab82e3fa#r35369927

Somehow, it took this long -- more than a year since the 0.7.0 release -- for anyone to notice.

I've filed an issue:

https://github.com/capnproto/capnproto/issues/889

And made a pull request to fix it:

https://github.com/capnproto/capnproto/pull/890

-Kenton

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[Vaci]

Hi Kenton,

Thank you for the quick response! That patch fixes our 0.7.0 builds.

Cheers,

Vaci