reinstall: Print reboot message after install completes

Signed-off-by: ckyrouac <[email protected]>

Author: ckyrouac

Cargo.lock

@@ -18,6 +18,7 @@ platforms = ["*-unknown-linux-gnu"]
 anyhow = { workspace = true }
 bootc-utils = { path = "../utils" }
 clap = { workspace = true, features = ["derive"] }
+crossterm = "0.29.0"
 dialoguer = "0.11.0"
 indoc = { workspace = true }
 log = "0.4.21"

system-reinstall-bootc/Cargo.toml

@@ -52,6 +52,10 @@ fn run() -> Result<()> {
         .run_with_cmd_context()
         .context("running reinstall command")?;
 
+    prompt::reboot()?;
+
+    std::process::Command::new("reboot").run()?;
+
     Ok(())
 }
 

system-reinstall-bootc/src/main.rs

@@ -1,6 +1,9 @@
 use crate::{prompt, users::get_all_users_keys};
 use anyhow::{ensure, Context, Result};
 
+use crossterm::event::{self, Event};
+use std::time::Duration;
+
 const NO_SSH_PROMPT: &str = "None of the users on this system found have authorized SSH keys, \
     if your image doesn't use cloud-init or other means to set up users, \
     you may not be able to log in after reinstalling. Do you want to continue?";
@@ -38,13 +41,35 @@ fn prompt_user_selection(
         .collect())
 }
 
+pub(crate) fn reboot() -> Result<()> {
+    let delay_seconds = 10;
+    println!(
+        "Operation complete, rebooting in {delay_seconds} seconds. Press Ctrl-C to cancel reboot, or press enter to continue immediately.",
+    );
+
+    let mut elapsed_ms = 0;
+    let interval = 100;
+
+    while elapsed_ms < delay_seconds * 1000 {
+        if event::poll(Duration::from_millis(0))? {
+            if let Event::Key(_) = event::read().unwrap() {
+                break;
+            }
+        }
+        std::thread::sleep(Duration::from_millis(interval));
+        elapsed_ms += interval;
+    }
+
+    Ok(())
+}
+
 /// Temporary safety mechanism to stop devs from running it on their dev machine. TODO: Discuss
 /// final prompting UX in https://github.com/containers/bootc/discussions/1060
 pub(crate) fn temporary_developer_protection_prompt() -> Result<()> {
     // Print an empty line so that the warning stands out from the rest of the output
     println!();
 
-    let prompt = "THIS WILL REINSTALL YOUR SYSTEM! Are you sure you want to continue?";
+    let prompt = "NOTICE: This will replace the installed operating system and reboot. Are you sure you want to continue?";
     let answer = ask_yes_no(prompt, false)?;
 
     if !answer {