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rfcs/0075-declarative-wrappers.md
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@ -329,19 +329,22 @@ comment](https://github.com/NixOS/nixpkgs/pull/88136#issuecomment-632674653).
The POC implementation does 1 thing which I'm most sure could be done better, The POC implementation does 1 thing which I'm most sure could be done better,
and that's iterating **recursively** all `buildInputs` and and that's iterating **recursively** all `buildInputs` and
`propagatedBuildInputs` of the input derivations. This is currently implemented `propagatedBuildInputs` of the given derivations. This is currently implemented
via a recursive (Nix) function, that's is prone to stack overflow due reach a via a recursive (Nix) function, that's prone to reach a state of infinite
state of infinite recursion. But this risk is currently mitigated using an recursion. But this risk is currently mitigated using an array of packages we
array of packages we know don't need any env vars at runtime, and for sure are know don't need any env vars at runtime, and for sure are very much at the
very much at the bottom of the list of very common inputs. This is implemented [here](https://github.com/NixOS/nixpkgs/pull/85103/files#diff-44c2102a355f50131eb8f69fb7e7c18bR75-R131). bottom of the list of very common inputs. This is implemented
[here](https://github.com/NixOS/nixpkgs/pull/85103/files#diff-44c2102a355f50131eb8f69fb7e7c18bR75-R131).
There are other methods of doing this which might be better, but TBH I haven't There are other methods of doing this recursive search, but TBH I haven't yet
yet investigated all of them. For reference and hopefully for an advice, this investigated all of them. For reference and hopefully for an advice, this need
need was requested by others and discussed at: was requested by others and discussed at:
- [nix issue](https://github.com/NixOS/nix/issues/1245). - [nix issue 1245](https://github.com/NixOS/nix/issues/1245).
- [Interesting idea by @aszlig](https://github.com/NixOS/nix/issues/1245#issuecomment-401642781) I haven't tested. - [Interesting idea by @aszlig at nix issue
- [@nmattia's post](https://www.nmattia.com/posts/2019-10-08-runtime-dependencies.html). 1245](https://github.com/NixOS/nix/issues/1245#issuecomment-401642781).
- [@nmattia's
post](https://www.nmattia.com/posts/2019-10-08-runtime-dependencies.html).
- [Discourse thread](https://discourse.nixos.org/t/any-way-to-get-a-derivations-inputdrvs-from-within-nix/7212/3). - [Discourse thread](https://discourse.nixos.org/t/any-way-to-get-a-derivations-inputdrvs-from-within-nix/7212/3).
# Future work # Future work