Move tmux to its own module

src/tmux.rs

@@ -0,0 +1,49 @@
+use super::executor::Executor;
+use super::terminal::Terminal;
+use super::utils::which;
+use super::utils::{Check, PathExt};
+use directories::BaseDirs;
+use failure::Error;
+use std::env;
+use std::os::unix::process::CommandExt;
+use std::process::Command;
+
+pub fn run_tpm(base_dirs: &BaseDirs, terminal: &mut Terminal, dry_run: bool) -> Option<(&'static str, bool)> {
+    if let Some(tpm) = base_dirs
+        .home_dir()
+        .join(".tmux/plugins/tpm/bin/update_plugins")
+        .if_exists()
+    {
+        terminal.print_separator("tmux plugins");
+
+        let success = || -> Result<(), Error> {
+            Executor::new(&tpm, dry_run).arg("all").spawn()?.wait()?.check()?;
+            Ok(())
+        }().is_ok();
+
+        return Some(("tmux", success));
+    }
+
+    None
+}
+
+pub fn run_in_tmux() -> ! {
+    let tmux = which("tmux").expect("Could not find tmux");
+
+    let err = Command::new(tmux)
+        .args(&[
+            "new-session",
+            "-s",
+            "topgrade",
+            "-n",
+            "topgrade",
+            &env::args().collect::<Vec<String>>().join(" "),
+            ";",
+            "set",
+            "remain-on-exit",
+            "on",
+        ])
+        .exec();
+
+    panic!("{:?}", err);
+}