cutler 0.19.7

Powerful, declarative settings management for your Mac, with speed.
Documentation 
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use anyhow::Result;
use async_trait::async_trait;
use clap::Args;
use self_update::{backends::github::Update, cargo_crate_version};
use std::env;
use tokio::fs;

use crate::{
    commands::{Runnable, RunnableInvokeRules},
    context::AppContext,
    log_cute, log_warn,
};

#[derive(Args, Debug)]
pub struct SelfUpdateCmd {
    /// Do not install/update manpage during the update procedure.
    #[arg(long)]
    no_man: bool,
}

#[async_trait]
impl Runnable for SelfUpdateCmd {
    fn get_invoke_rules(&self) -> RunnableInvokeRules {
        RunnableInvokeRules {
            do_config_autosync: false,
            require_sudo: true,
            respect_lock: false,
        }
    }

    async fn run(&self, _: &AppContext) -> Result<()> {
        // get the path to the current executable
        let exe_path = env::current_exe()?;
        let exe_path_str = exe_path.to_string_lossy();

        // check for homebrew install
        let is_homebrew = exe_path_str == "/opt/homebrew/bin/cutler";

        // check for cargo install (e.g., ~/.cargo/bin/cutler or $CARGO_HOME/bin/cutler)
        let cargo_bin_path = if let Ok(cargo_home) = std::env::var("CARGO_HOME") {
            format!("{cargo_home}/bin/cutler")
        } else if let Ok(home) = std::env::var("HOME") {
            format!("{home}/.cargo/bin/cutler")
        } else if let Some(home_dir) = dirs::home_dir() {
            format!("{}/.cargo/bin/cutler", home_dir.to_string_lossy())
        } else {
            String::new()
        };
        let is_cargo = exe_path_str == cargo_bin_path;

        // check for mise install
        let is_mise = exe_path_str.contains(".local/share/mise/installs/cargo-cutler");

        if is_homebrew || is_cargo || is_mise {
            log_warn!(
                "cutler was installed using a package manager, so cannot install updates manually.",
            );
            return Ok(());
        }

        // finally, check if cutler is where it is supposed to be
        if exe_path_str != "/usr/local/bin/cutler" {
            log_warn!(
                "cutler is currently installed in a custom path. Please note that the manpage will still be installed in: /usr/local/share/man/man1/cutler.1",
            );
            log_warn!("If you wish to skip this behavior, use: cutler self-update --no-man",);
        }

        // run the self_update updater in a blocking thread to avoid dropping a runtime in async context
        let status = tokio::task::spawn_blocking(move || {
            Update::configure()
                .repo_owner("machlit")
                .repo_name("cutler")
                .target("aarch64-apple-darwin")
                .bin_name("cutler")
                .bin_path_in_archive("bin/cutler")
                .show_download_progress(true)
                .current_version(cargo_crate_version!())
                .build()?
                .update()
        })
        .await??;

        if status.updated() {
            if !self.no_man {
                println!("Binary updated, updating manpage...");

                let manpage_url = "https://raw.githubusercontent.com/machlit/cutler/refs/heads/master/man/man1/cutler.1".to_string();
                let client = reqwest::Client::builder()
                    .user_agent("cutler-self-update")
                    .build()?;
                let resp = client
                    .get(&manpage_url)
                    .send()
                    .await
                    .map_err(|e| anyhow::anyhow!("Failed to fetch manpage: {e}"))?;
                let manpage_content = resp.text().await?;

                fs::create_dir_all("/usr/local/share/man/man1").await?;
                fs::write("/usr/local/share/man/man1/cutler.1", manpage_content).await?;
            }
        } else {
            log_cute!("cutler is already up to date.");
            return Ok(());
        }

        log_cute!("cutler updated to: {}", status.version());

        Ok(())
    }
}