added upgrade feature

src/main.rs

@@ -2,18 +2,48 @@ mod projects;
 mod tmux;
 
 use clap::{Parser, Subcommand};
+use std::io;
+use std::process::{Command, Stdio};
+use std::str;
 
 #[derive(Parser)]
 #[clap(about, version, author)]
 struct Value {
     #[clap(subcommand)]
-    command: Commands,
+    commands: Commands,
 }
 
 #[derive(Subcommand)]
 enum Commands {
     /// Run projects fuzzy finder
     Projects {},
+    /// Upgrade peaches to latest version available on github
+    Upgrade {},
+}
+
+fn run_upgrade() {
+    println!("Getting new install script from peaches repository.\n");
+
+    let get_script = Command::new("wget")
+        .args(vec![
+            "https://raw.githubusercontent.com/KCaverly/peaches/main/install.sh",
+            "-O",
+            "-",
+        ])
+        .stdout(Stdio::piped())
+        .spawn()
+        .unwrap();
+
+    println!("Installing new version of peaches\n");
+
+    let install_script = Command::new("sh")
+        .stdin(Stdio::from(get_script.stdout.unwrap()))
+        .spawn()
+        .unwrap();
+
+    let output = install_script.wait_with_output().unwrap();
+    let result = str::from_utf8(&output.stdout).unwrap();
+    println!("{}", result);
 }
 
 fn run_projects() {
@@ -32,9 +62,12 @@ fn run_projects() {
 fn main() {
     let value = Value::parse();
 
-    match &value.command {
+    match &value.commands {
         Commands::Projects {} => {
             run_projects();
         }
+        Commands::Upgrade {} => {
+            run_upgrade();
+        }
     }
 }