Sparkle for updates (#950)

src/steps/os/macos.rs

@@ -1,9 +1,10 @@
 use crate::execution_context::ExecutionContext;
-use crate::executor::RunType;
+use crate::executor::{CommandExt, RunType};
 use crate::terminal::{print_separator, prompt_yesno};
 use crate::{error::TopgradeError, utils::require, Step};
 use anyhow::Result;
 use log::debug;
+use std::fs;
 use std::process::Command;
 
 pub fn run_macports(ctx: &ExecutionContext) -> Result<()> {
@@ -72,3 +73,23 @@ fn system_update_available() -> Result<bool> {
     debug!("{:?}", string_output);
     Ok(!string_output.contains("No new software available"))
 }
+
+pub fn run_sparkle(ctx: &ExecutionContext) -> Result<()> {
+    let sparkle = require("sparkle")?;
+
+    print_separator("Sparkle");
+
+    for application in (fs::read_dir("/Applications")?).flatten() {
+        let probe = Command::new(&sparkle)
+            .args(&["--probe", "--application"])
+            .arg(application.path())
+            .check_output();
+        if probe.is_ok() {
+            let mut command = ctx.run_type().execute(&sparkle);
+            command.args(&["bundle", "--check-immediately", "--application"]);
+            command.arg(application.path());
+            command.spawn()?.wait()?;
+        }
+    }
+    Ok(())
+}