This plugin supports building any applications that use gcc or clang toolchains, as well as Qt(4&5) based applications. I've revived it from #1079, first start is just to cherry-pick the change that was reverted later and to resolve the conflicts. Then I ran `black .` to fix up the coding style and made some further changes to make static tests pass. LP: [#1659537](https://bugs.launchpad.net/snapcraft/+bug/1659537) - [x] Have you followed the [guidelines for contributing](https://github.com/snapcore/snapcraft/blob/master/CONTRIBUTING.md)? - [x] Have you signed the [CLA](http://www.ubuntu.com/legal/contributors/)? - [x] Have you successfully run `./runtests.sh static`? - [ ] Have you successfully run `./runtests.sh tests/unit`? * Doesn't work yet (see output below) ----- `./runtests.sh static` outputs: ``` Running black All done! ✨ 🍰 ✨ 612 files would be left unchanged. Running flake8 Running mypy Running codespell ./tests/spread/plugins/rust/snaps/rust-workspace-fib/calc-fib/src/main.rs:2: crate ==> create, crate ./tests/spread/plugins/rust/snaps/rust-with-conditional/src/main.rs:1: crate ==> create, crate WARNING: Binary file: ./tests/spread/general/invalid-elf/snaps/invalid_elf/corrupt_empty.elf64.so WARNING: Binary file: ./tests/spread/general/invalid-elf/snaps/invalid_elf/corrupt_unicode.elf64.so ``` (seems unrelated to Qbs plugin, so assuming this is a successful run) `./runtests.sh tests/unit` outputs: ``` ====================================================================== FAIL: test_schema (tests.unit.plugins.test_qbs.QbsPluginTestCase) tests.unit.plugins.test_qbs.QbsPluginTestCase.test_schema ---------------------------------------------------------------------- testtools.testresult.real._StringException: Empty attachments: pythonlogging:'' Traceback (most recent call last): File "/home/ubuntu/snapcraft/tests/unit/plugins/test_qbs.py", line 149, in test_schema 'Expected schema to include "build-properties"', File "/home/ubuntu/.venv/snapcraft/lib/python3.6/site-packages/unittest2/case.py", line 702, in assertTrue raise self.failureException(msg) AssertionError: False is not true : Expected schema to include "build-properties" ```