Files
topgrade/src/main.rs
2025-11-15 17:05:48 +01:00

353 lines
11 KiB
Rust

#![allow(clippy::cognitive_complexity)]
use std::env;
use std::io;
use std::path::PathBuf;
use std::process::exit;
use std::time::Duration;
use crate::breaking_changes::{first_run_of_major_release, print_breaking_changes, should_skip, write_keep_file};
use clap::CommandFactory;
use clap::{crate_version, Parser};
use color_eyre::eyre::Context;
use color_eyre::eyre::Result;
use console::Key;
#[cfg(windows)]
use etcetera::base_strategy::Windows;
#[cfg(unix)]
use etcetera::base_strategy::Xdg;
use rust_i18n::{i18n, t};
use std::sync::LazyLock;
use tracing::debug;
use self::config::{CommandLineArgs, Config};
use self::error::StepFailed;
use self::runner::StepResult;
#[allow(clippy::wildcard_imports)]
use self::steps::{remote::*, *};
use self::sudo::{Sudo, SudoCreateError, SudoKind};
#[allow(clippy::wildcard_imports)]
use self::terminal::*;
use self::utils::{install_color_eyre, install_tracing, is_elevated, update_tracing};
mod breaking_changes;
mod command;
mod config;
mod ctrlc;
mod error;
mod execution_context;
mod executor;
mod runner;
#[cfg(windows)]
mod self_renamer;
#[cfg(feature = "self-update")]
mod self_update;
mod step;
mod steps;
mod sudo;
mod terminal;
mod utils;
pub(crate) static HOME_DIR: LazyLock<PathBuf> = LazyLock::new(|| home::home_dir().expect("No home directory"));
#[cfg(unix)]
pub(crate) static XDG_DIRS: LazyLock<Xdg> = LazyLock::new(|| Xdg::new().expect("No home directory"));
#[cfg(windows)]
pub(crate) static WINDOWS_DIRS: LazyLock<Windows> = LazyLock::new(|| Windows::new().expect("No home directory"));
// Init and load the i18n files
i18n!("locales", fallback = "en");
#[allow(clippy::too_many_lines)]
fn run() -> Result<()> {
install_color_eyre()?;
ctrlc::set_handler();
let opt = CommandLineArgs::parse();
// Set up the logger with the filter directives from:
// 1. CLI option `--log-filter`
// 2. `debug` if the `--verbose` option is present
// We do this because we need our logger to work while loading the
// configuration file.
//
// When the configuration file is loaded, update the logger with the full
// filter directives.
//
// For more info, see the comments in `CommandLineArgs::tracing_filter_directives()`
// and `Config::tracing_filter_directives()`.
let reload_handle = install_tracing(&opt.tracing_filter_directives())?;
// Get current system locale and set it as the default locale
let system_locale = sys_locale::get_locale().unwrap_or("en".to_string());
rust_i18n::set_locale(&system_locale);
debug!("Current system locale is {system_locale}");
if let Some(shell) = opt.gen_completion {
let cmd = &mut CommandLineArgs::command();
clap_complete::generate(shell, cmd, clap::crate_name!(), &mut io::stdout());
return Ok(());
}
if opt.gen_manpage {
let man = clap_mangen::Man::new(CommandLineArgs::command());
man.render(&mut io::stdout())?;
return Ok(());
}
for env in opt.env_variables() {
let mut parts = env.split('=');
let var = parts.next().unwrap();
let value = parts.next().unwrap();
env::set_var(var, value);
}
if opt.edit_config() {
Config::edit()?;
return Ok(());
};
if opt.show_config_reference() {
print!("{}", config::EXAMPLE_CONFIG);
return Ok(());
}
let config = Config::load(opt)?;
// Update the logger with the full filter directives.
update_tracing(&reload_handle, &config.tracing_filter_directives())?;
set_title(config.set_title());
display_time(config.display_time());
set_desktop_notifications(config.notify_each_step());
debug!("Version: {}", crate_version!());
debug!("OS: {}", env!("TARGET"));
debug!("{:?}", env::args());
debug!("Binary path: {:?}", env::current_exe());
debug!("self-update Feature Enabled: {:?}", cfg!(feature = "self-update"));
debug!("Configuration: {:?}", config);
if config.run_in_tmux() && env::var("TOPGRADE_INSIDE_TMUX").is_err() {
#[cfg(unix)]
{
tmux::run_in_tmux(config.tmux_config()?)?;
return Ok(());
}
}
let elevated = is_elevated();
#[cfg(unix)]
if !config.allow_root() && elevated {
print_warning(t!(
"Topgrade should not be run as root, it will run commands with sudo or equivalent where needed."
));
if !prompt_yesno(&t!("Continue?"))? {
exit(1)
}
}
let sudo = match config.sudo_command() {
Some(kind) => Sudo::new(kind),
None if elevated => Sudo::new(SudoKind::Null),
None => Sudo::detect(),
};
debug!("Sudo: {:?}", sudo);
let (sudo, sudo_err) = match sudo {
Ok(sudo) => (Some(sudo), None),
Err(e) => (None, Some(e)),
};
#[cfg(target_os = "linux")]
let distribution = linux::Distribution::detect();
let run_type = config.run_type();
let ctx = execution_context::ExecutionContext::new(
run_type,
sudo,
&config,
#[cfg(target_os = "linux")]
&distribution,
);
let mut runner = runner::Runner::new(&ctx);
// If
//
// 1. the breaking changes notification shouldn't be skipped
// 2. this is the first execution of a major release
//
// inform user of breaking changes
if !should_skip() && first_run_of_major_release()? {
print_breaking_changes();
if prompt_yesno(&t!("Continue?"))? {
write_keep_file()?;
} else {
exit(1);
}
}
step::Step::SelfUpdate.run(&mut runner, &ctx)?;
#[cfg(windows)]
let _self_rename = if config.self_rename() {
Some(crate::self_renamer::SelfRenamer::create()?)
} else {
None
};
if config.pre_sudo() {
if let Some(sudo) = ctx.sudo() {
sudo.elevate(&ctx)?;
}
}
if let Some(commands) = config.pre_commands() {
for (name, command) in commands {
generic::run_custom_command(name, command, &ctx)?;
}
}
for step in step::default_steps() {
match step.run(&mut runner, &ctx) {
Ok(()) => (),
Err(error)
if error
.downcast_ref::<io::Error>()
.is_some_and(|e| e.kind() == io::ErrorKind::Interrupted) =>
{
println!();
debug!("Interrupted (possibly with 'q' during retry prompt). Printing summary.");
break;
}
Err(error) => return Err(error),
}
}
let mut failed = false;
let report = runner.report();
if !report.is_empty() {
print_separator(t!("Summary"));
let mut skipped_missing_sudo = false;
for (key, result) in report {
if !failed && result.failed() {
failed = true;
}
if let StepResult::SkippedMissingSudo = result {
skipped_missing_sudo = true;
}
print_result(key, result);
}
if skipped_missing_sudo {
print_warning(t!(
"\nSome steps were skipped as sudo or equivalent could not be found."
));
// Steps can only fail with SkippedMissingSudo if sudo is None,
// therefore we must have a sudo_err
match sudo_err.unwrap() {
SudoCreateError::CannotFindBinary => {
#[cfg(unix)]
print_warning(t!(
"Install one of `sudo`, `doas`, `pkexec`, `run0` or `please` to run these steps."
));
// if this windows version supported Windows Sudo, the error would have been WinSudoDisabled
#[cfg(windows)]
print_warning(t!("Install gsudo to run these steps."));
}
#[cfg(windows)]
SudoCreateError::WinSudoDisabled => {
print_warning(t!(
"Install gsudo or enable Windows Sudo to run these steps.\nFor Windows Sudo, the default 'In a new window' mode is not supported as it prevents Topgrade from waiting for commands to finish. Please configure it to use 'Inline' mode instead.\nGo to https://go.microsoft.com/fwlink/?linkid=2257346 to learn more."
));
}
#[cfg(windows)]
SudoCreateError::WinSudoNewWindowMode => {
print_warning(t!(
"Windows Sudo was found, but it is set to 'In a new window' mode, which prevents Topgrade from waiting for commands to finish. Please configure it to use 'Inline' mode instead.\nGo to https://go.microsoft.com/fwlink/?linkid=2257346 to learn more."
));
}
}
}
}
#[cfg(target_os = "linux")]
if config.show_distribution_summary() {
if let Ok(distribution) = &distribution {
distribution.show_summary();
}
}
if let Some(commands) = config.post_commands() {
for (name, command) in commands {
let result = generic::run_custom_command(name, command, &ctx);
if !failed && result.is_err() {
failed = true;
}
}
}
if config.keep_at_end() {
print_info(t!("\n(R)eboot\n(S)hell\n(Q)uit"));
loop {
match get_key() {
Ok(Key::Char('s' | 'S')) => {
run_shell().context("Failed to execute shell")?;
}
Ok(Key::Char('r' | 'R')) => {
println!("{}", t!("Rebooting..."));
reboot(&ctx).context("Failed to reboot")?;
}
Ok(Key::Char('q' | 'Q')) => (),
_ => {
continue;
}
}
break;
}
}
if !config.skip_notify() {
notify_desktop(
if failed {
t!("Topgrade finished with errors")
} else {
t!("Topgrade finished successfully")
},
Some(Duration::from_secs(10)),
);
}
if failed {
Err(StepFailed.into())
} else {
Ok(())
}
}
fn main() {
match run() {
Ok(()) => {
exit(0);
}
Err(error) => {
let skip_print = (error.downcast_ref::<StepFailed>().is_some())
|| (error
.downcast_ref::<io::Error>()
.filter(|io_error| io_error.kind() == io::ErrorKind::Interrupted)
.is_some());
if !skip_print {
// The `Debug` implementation of `eyre::Result` prints a multi-line
// error message that includes all the 'causes' added with
// `.with_context(...)` calls.
println!("{}", t!("Error: {error}", error = format!("{:?}", error)));
}
exit(1);
}
}
}