goup 1.7.0

A simple version manager for Go written in Rust! 🚀
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use super::*;
use crate::versions::Version;
use anyhow::Result;
use std::{fs, os::unix::fs::symlink};

/// Creates a symlink to the SDK installation dir of
/// the given [`Version`].
///
/// If [`Some(Version)`] is passed, the specified SDK
/// version directory is set.
/// If [`None`] is passed, the symlink is remoevd, if
/// existent.
pub fn link_current_version(v: Option<&Version>) -> Result<()> {
    let link = get_current_link_dir()?;

    match v {
        None => {
            if link.exists() {
                fs::remove_file(&link)?;
            }
        }
        Some(v) => {
            let original = get_version_installation_dir(v)?;

            if link.exists() {
                fs::remove_file(&link)?;
            }

            symlink(original, link)?;
        }
    }

    Ok(())
}