NixOS:master ← tomberek:tom/parallel_sql
opened 01:52PM - 13 Jan 20 UTC
###### Motivation for this change
Allow using parallel's SQL features. `--sqlma…ster` and `--sqlworker`
###### Things done
Created parallel-extra to prevent adding dependencies to existing users.
- [x] Tested using sandboxing ([nix.useSandbox](http://nixos.org/nixos/manual/options.html#opt-nix.useSandbox) on NixOS, or option `sandbox` in [`nix.conf`](http://nixos.org/nix/manual/#sec-conf-file) on non-NixOS linux)
- Built on platform(s)
- [x] NixOS
- [ ] macOS
- [ ] other Linux distributions
- [ ] Tested via one or more NixOS test(s) if existing and applicable for the change (look inside [nixos/tests](https://github.com/NixOS/nixpkgs/blob/master/nixos/tests))
- [x] Tested compilation of all pkgs that depend on this change using `nix-shell -p nixpkgs-review --run "nixpkgs-review wip"`
- [x] Tested execution of all binary files (usually in `./result/bin/`)
- [x] Determined the impact on package closure size (by running `nix path-info -S` before and after): increased by 14.7M to add SQL support (93.2M -> 107.9M)
- [x] Ensured that relevant documentation is up to date
- [x] Fits [CONTRIBUTING.md](https://github.com/NixOS/nixpkgs/blob/master/.github/CONTRIBUTING.md).