Thoughts on Rust bloat

Re:Thoughts on Rust bloat by asgeir on Thursday August 22, 2019 @04:04AM (#20765740)

Have you considered doing something like this:

  cargo build --target-dir ~/build-artifacts/$(basename $(pwd))

Then you can have something like this in your ~/.config/user-tmpfiles.d/clean_build.conf

  d /home/user/build-artifacts - - - 1d -

You can then do cleanup by calling

  systemd-tmpfiles --user

Or you can use the tmpfiles timer

  systemctl enable --user --now systemd-tmpfiles-clean.timer

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Re:Thoughts on Rust bloat by leggomylibro on Saturday August 24, 2019 @04:07PM (#20789398)

That sounds like an interesting idea, thanks! Can that '--target-dir' argument be added in the build.rs script?

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Re:Thoughts on Rust bloat by asgeir on Saturday August 24, 2019 @05:17PM (#20789768)

It looks like you can set it using a CARGO_TARGET_DIR environment variable or build.target-dir config value. So I guess you could create a $HOME/.cargo/config file with the following in it (letting you skip the --target-dir part):

  [build]
  target-dir = "/home/user/build-artifacts"

But I don't know if the different projects will trample each other that way. If that's the case you could just go with a .cargo/config per-project targeting a subdirectory of the build-artifacts directory.

https://doc.rust-lang.org/cargo/commands/cargo-build.html

https://doc.rust-lang.org/cargo/reference/config.html

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