nixy-rs 0.4.4

Homebrew-style wrapper for Nix using flake.nix
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use crate::error::{Error, Result};

/// POSIX PATH export shared by bash/zsh/sh.
const POSIX_PATH: &str = r#"# nixy shell configuration
export PATH="$HOME/.local/state/nixy/env/bin:$PATH""#;

pub fn run(shell: &str) -> Result<()> {
    match shell {
        "zsh" => {
            println!("{}", POSIX_PATH);
            print!("{}", include_str!("../completions/nixy.zsh"));
        }
        "bash" => {
            println!("{}", POSIX_PATH);
            print!("{}", include_str!("../completions/nixy.bash"));
        }
        "sh" => {
            println!("{}", POSIX_PATH);
        }
        "fish" => {
            println!(
                r#"# nixy shell configuration
set -gx PATH $HOME/.local/state/nixy/env/bin $PATH"#
            );
        }
        "" => {
            return Err(Error::Usage(
                r#"Usage: nixy config <shell>
Supported shells: bash, zsh, fish

Add to your shell config:
  bash/zsh: eval "$(nixy config zsh)"
  fish:     nixy config fish | source"#
                    .to_string(),
            ));
        }
        _ => {
            return Err(Error::UnknownShell(shell.to_string()));
        }
    }

    Ok(())
}