* Add some more useful stuff to the shell environment, so it actually
works for debugging & post-mortem analysis.
* Wrap ccache & distcc transparently (distcc will be used unless
NODISTCC is set to a non-empty value in the environment; ccache will
be used if CCACHE_DIR is not empty).
* Package the Scylla Python driver (instead of the C* one).
* Catch up to misc build/test requirements (including optional) by
requiring or custom-packaging: wasmtime 0.29.0, cxxbridge,
pytest-asyncio, liburing.
* Build statically-linked zstd in a saner and more idiomatic fashion.
* In pure builds (where sources lack Git metadata), derive
SCYLLA_RELEASE from source hash.
* Refactor things for more parameterization.
* Explicitly stub out installPhase (seeing that "nix build" succeeds
up to installPhase means we didn't miss any dependencies).
* Add flake support.
* Add copious comments.
Signed-off-by: Michael Livshin <michael.livshin@scylladb.com>
Instead of lengthy blurbs, switch to single-line, machine-readable
standardized (https://spdx.dev) license identifiers. The Linux kernel
switched long ago, so there is strong precedent.
Three cases are handled: AGPL-only, Apache-only, and dual licensed.
For the latter case, I chose (AGPL-3.0-or-later and Apache-2.0),
reasoning that our changes are extensive enough to apply our license.
The changes we applied mechanically with a script, except to
licenses/README.md.
Closes#9937
Support native building & unit testing in the Nix ecosystem under
nix-shell.
Actual dist packaging for Nixpkgs/NixOS is not there (yet?), because:
* Does not exactly seem like a huge priority.
* I don't even have a firm idea of how much work it would entail (it
certainly does not need the ld.so trickery, so there's that. But at
least some work would be needed, seeing how ScyllaDB needs to
integrate with its environment and NixOS is a little unorthodox).
Signed-off-by: Michael Livshin <michael.livshin@scylladb.com>
Message-Id: <20210413110508.5901-4-michael.livshin@scylladb.com>
