Commits on Jul 19, 2022

1. Add various support for cargo configuration. …

   Also adds support for parsing and reading configuration options/environment variables from cargo, and allows users to ignore config files in the package.
   
   This adds the `[build.env.cargo-config]` option, which can be set to `complete`, `ignore`, or `default`. If set to `complete`, cross will have access to every to every cargo config file on the host (if using remote cross, a config file is written to a temporary file which is mounted on the data volume at `/.cargo/config.toml`). If set to ignore, any `.cargo/config.toml` files outside of `CARGO_HOME` are ignored, by mounting anonymous data volumes to hide config files in any `.cargo` directories. The default behavior uses the backwards-compatible behavior, allowing cross to access any config files in the package and `CARGO_HOME` directories. If the build is called outside the workspace root or at the workspace root, then we only mount an anonymous volume at `$PWD/.cargo`.
   
   The alias support includes recursive subcommand detection, and errors before it invokes cargo. A sample error message is `[cross] error: alias y has unresolvable recursive definition: x -> y -> z -> a -> y`, and therefore can handle non-trivial recursive subcommands.

   

   Alexhuszagh committed Jul 19, 2022
   Configuration menu

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