The only thing that needed bashInteractive were bash scripts for RPM.
Remove the RPM scripts (we definitely do not need) to get rid of
bashInteractive.
Using the ambient /bin/sh makes sense to use as the debug shell because
it's inherently something from the environment.
Some years ago this was changed to an explicit Nix Store path. However,
this doesn't really make sense and makes many things (like optionally
removing bash from the system) hard while not making anything easier or
better.
Since https://github.com/systemd/systemd/pull/17026 (v248 in 2020),
systemd can use nftables without any new dependency!
In 259, systemd plans to remove iptables suport altogether.
Remove broken patches. The nspawn conditional can be omitted,
as it will not be installed on `systemdLibs` anyways.
Testing done:
```
nix why-depends --precise .#systemdMinimal.out .#getent.out
/nix/store/x2dhq7nb43xv2c3hh8y7g4bkdzndy7av-systemd-minimal-257.7
└───bin/systemd-nspawn: …valid, ignoring....../nix/store/h5f0zw8gp3fsrzldsi9x2j29gqz6dv4h-getent-glibc-2.40-66/bin/getent…
→ /nix/store/h5f0zw8gp3fsrzldsi9x2j29gqz6dv4h-getent-glibc-2.40-66
```
```
'git+file:///home/grimmauld/coding/nixpkgs#systemdLibs.out' does not depend on 'git+file:///home/grimmauld/coding/nixpkgs#getent.out'
```
`systemdMinimal`, `systemdLibs`, `pam` all builds.
`pkgsMusl.pam` evals successfully.
PR #431115 changed extraStructuredConfig to structuredExtraConfig to
follow the deprecation warning about `extraConfig`. However,
`extraStructuredConfig` was mentioned in several places in the docs that
weren't addressed. Also, using this would silently fail since the code
in question would still accept the old key.
This patch updates the docs accordingly and throws an error if the
code-path is reached and `extraStructuredConfig` is being used.
The .unwrapped attributes are not correctly spliced. Use the top
level attributes instead, which are spliced correctly.
Fixes: e9b2edb491 ("linux: un-simplify toolchain selection")
If we're going to use the unwrapped versions, we should do so
consistently in both parts of the kernel build, not mix and match.
Fixes: e9b2edb491 ("linux: un-simplify toolchain selection")
