tinty 0.8.0

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use crate::config::Config;
use crate::constants::{REPO_DIR, SCHEMES_REPO_NAME, SCHEMES_REPO_URL};
use crate::utils::git_clone;
use anyhow::{anyhow, Result};
use std::fs::{remove_file as remove_symlink, symlink_metadata};
use std::os::unix::fs::symlink;
use std::path::{Path, PathBuf};
use url::Url;

fn setup_git_url(data_item_path: &Path, item_name: &str, item_git_url: &str) -> Result<()> {
    if !data_item_path.is_dir() {
        git_clone(item_git_url, data_item_path)?;

        println!("{} installed", item_name);
    } else {
        println!("{} already installed", item_name);
    }

    Ok(())
}

fn setup_dir(data_item_path: &Path, item_name: &str, item_path: &Path) -> Result<()> {
    if item_path.exists() && !item_path.is_dir() {
        return Err(anyhow!(
            "{} is not a symlink to a directory. Please remove it and try again",
            item_path.display()
        ));
    }

    if data_item_path.exists() {
        match symlink_metadata(data_item_path) {
            Ok(metadata) => {
                if metadata.file_type().is_symlink() {
                    if remove_symlink(data_item_path).is_err() {
                        return Err(anyhow!("Error trying to remove symlink at \"{}\". Remove it manually and try again", data_item_path.display()));
                    }
                    symlink(item_path, data_item_path)?;
                    println!("{} already installed", item_name);
                }
            }
            Err(_) => {
                println!("err");
                return Err(anyhow!("\"{}\" is a not a symlink, but according to your config it should be. Please remove this directory and try again", data_item_path.display()));
            }
        }
    } else {
        symlink(item_path, data_item_path)?;
        println!("{} installed", item_name);
    }

    Ok(())
}

/// Setup cli tool
///
/// Clones the provided config repositories and ensures everything is ready for when the user runs
/// any other command
pub fn setup(config_path: &Path, data_path: &Path) -> Result<()> {
    // Hooks
    let config = Config::read(config_path)?;
    let items = config.items.unwrap_or_default();
    let hooks_path = data_path.join(REPO_DIR);

    for item in items {
        let data_item_path = hooks_path.join(&item.name);
        let item_path = PathBuf::from(item.path.as_str());

        match Url::parse(item.path.as_str()) {
            Ok(_) => setup_git_url(&data_item_path, item.name.as_str(), item.path.as_str())?,
            Err(_) => setup_dir(&data_item_path, item.name.as_str(), &item_path)?,
        }
    }

    // Schemes
    let schemes_repo_path = hooks_path.join(SCHEMES_REPO_NAME);
    setup_git_url(&schemes_repo_path, SCHEMES_REPO_NAME, SCHEMES_REPO_URL)?;

    Ok(())
}