Add OS specific modules

src/unix.rs

@@ -0,0 +1,53 @@
+use super::utils;
+use super::utils::Check;
+use failure;
+use std::env;
+use std::env::home_dir;
+use std::os::unix::process::CommandExt;
+use std::path::PathBuf;
+use std::process::Command;
+
+pub fn run_zplug(zsh: &PathBuf) -> Result<(), failure::Error> {
+    Command::new(zsh)
+        .args(&["-c", "source ~/.zshrc && zplug update"])
+        .spawn()?
+        .wait()?
+        .check()?;
+
+    Ok(())
+}
+
+pub fn run_tpm(tpm: &PathBuf) -> Result<(), failure::Error> {
+    Command::new(&tpm).arg("all").spawn()?.wait()?.check()?;
+
+    Ok(())
+}
+
+pub fn tpm_path() -> Option<PathBuf> {
+    let mut path = home_dir().unwrap();
+    path.push(".tmux/plugins/tpm/bin/update_plugins");
+    if path.exists() {
+        Some(path)
+    } else {
+        None
+    }
+}
+
+pub fn run_in_tmux() -> ! {
+    let tmux = utils::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);
+}