Specify config via CLI arguments

[toastal]

I have many cases where I would like to reference a configuration file, soupault.toml from another directory, like in the /nix/store, or via process substitution in the shell. I would expect something along the lines of readFile $ fromMaybe defaultFilePath (CLIArgs.configFile :: Maybe String).

[dmbaturin]

Hm, maybe I'm missing something. Could you elaborate why SOUPAULT_CONFIG=/path/to/soupault.toml soupault is insufficient?

[toastal]

So the main problem here is my ability to remember this was added (also, I skimmed the code but my OCaml skills are not quite there so I definitely missed it).

What might more actionable is adding stuff like this to the Usage or manpage so it's a little easier to find.

[dmbaturin]

It's documentes in https://soupault.app/reference-manual/#custom-directory-layouts , but I agree it may not be the most obvious place. Do you have specific ideas how to make it more visible?

[toastal]

Well 'usage' may be a good spot to list such env vars. Else one day manpages??

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[dmbaturin]

It's been possible since 4.2.0 but I forgot to reference the issue in the commit.