Make `initLibStore` a viable alternative #7732

Part of an effort to make it easier to initialize the right things, by moving code into the appropriate libraries.

Part of an effort to make it easier to initialize the right things, by moving code into the appropriate libraries. Using libstore without loading the config file is risky, as sqlite may then be misconfigured. See cachix/cachix#475

Part of an effort to make it easier to initialize the right things, by moving code into the appropriate libraries. The goal of this reordering is to make initLibStore self-sufficient in a following commit.

Part of an effort to make it easier to initialize the right things, by moving code into the appropriate libraries.

It is required for the sandbox, which is a libstore responsibility; not just libmain. Part of an effort to make it easier to initialize the right things, by moving code into the appropriate libraries.

This code is bad. We shouldn't unset variables in programs whose children may need them. Fixing one issue at a time, so postponing. See NixOS#7731 Part of an effort to make it easier to initialize the right things, by moving code into the appropriate libraries.

Quote Why not initLibExpr()? initGC() is essentially that, but detectStackOverflow is not an instance of the init function concept, as it may have to be invoked more than once per process. Furthermore, renaming initGC to initLibExpr is more trouble than it's worth at this time.

libutil is a dependency of libstore, so it should always be initialized as such. libutil is also a dependency of libmain. Being explicit about this dependency might be good, but not worth the slight code complexity until the library structure gets more advanced. Part of an effort to make it easier to initialize the right things, by moving code into the appropriate libraries.

How signals should be handled depends on what kind of process Nix is integrated into. The signal handler thread used by the stand-alone Nix commands / processes may not work well in the context of other runtime systems, such as those of Python, Perl, or Haskell.

Versions older this are sufficiently old that we don't want to support them, and they require extra support code.

Left over from 9747ea8, NixOS#5821

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Make `initLibStore` a viable alternative #7732

Make `initLibStore` a viable alternative #7732

Commits on Apr 7, 2023

Make initLibStore a viable alternative #7732

Make initLibStore a viable alternative #7732

Commits on Apr 7, 2023

Make `initLibStore` a viable alternative #7732

Make `initLibStore` a viable alternative #7732