use SUDO_ASKPASS program if set

Author: dvishal485

src/commands.rs

@@ -83,6 +83,13 @@ impl Command {
                 Exec::cmd("sudo")
             };
 
+            // use SUDO_ASKPASS program for sudo if present
+            let cmd = if std::env::var("SUDO_ASKPASS").is_ok() {
+                cmd.arg("-A")
+            } else {
+                cmd
+            };
+
             cmd.arg(&self.command).args(&self.args)
         } else {
             Exec::cmd(&self.command).args(&self.args)

src/main.rs

@@ -45,6 +45,11 @@ fn self_elevate() -> ! {
     use std::os::unix::process::CommandExt;
 
     let mut cmd = std::process::Command::new("sudo");
+    // use SUDO_ASKPASS program for sudo if present
+    if std::env::var("SUDO_ASKPASS").is_ok() {
+        cmd.arg("-A");
+    }
+
     cmd.args(std::env::args());
     debug!("{:?}", cmd);
     let err = cmd.exec();