Lint failure on protocol buffers version 2.6.1

[nikostrongioglou]

I am using protocol buffers version 2.6.1 and linting fails with the following error on debug

2018-05-06T23:59:52.701+0200	DEBUG	downloaded protobuf zip file	{"url": "https://github.com/google/protobuf/releases/download/v2.6.1/protoc-2.6.1-osx-x86_64.zip"}
zip: not a valid zip file

The URL indeed does not work and as you can see from the file prototool tries to download we are talking about an OSX system here.

Is prototool compatible with version 2 protos?

[bufdev]

https://github.com/google/protobuf/releases/v2.6.1 does not have protoc.zip files for darwin or osx. For comparison, see https://github.com/google/protobuf/releases/v3.5.1. I could make this more explicit in the documentation that you need to set a release that has the proper protoc.zip files.

Protoc versions >=3 compile proto2 files just fine, I understand for reliability reasons you might not want to upgrade, but Prototool is more "looking forward", in fact the default linter checks that your files are proto3.