From ced9ea4eed5a3d9c18bc9b910c8e5b5624f9f4e6 Mon Sep 17 00:00:00 2001
From: "Yan Ka, Chiu" <nyan@myuji.xyz>
Date: Tue, 4 Jul 2023 13:50:28 +0800
Subject: [PATCH] rename 'watch' command to 'trace', as useful default when no
 args supplied

---
 xc-bin/src/main.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/xc-bin/src/main.rs b/xc-bin/src/main.rs
index fb79adc..3bb12b1 100644
--- a/xc-bin/src/main.rs
+++ b/xc-bin/src/main.rs
@@ -163,7 +163,7 @@ enum Action {
         output: String,
     },
 
-    Watch {
+    Trace {
         name: String,
         args: Vec<String>,
     },
@@ -553,10 +553,11 @@ fn main() -> Result<(), ActionError> {
                 .unwrap_or_else(|_| panic!("cannot open {output} for writing"));
             file.write_all(&encoded).expect("cannot write to file");
         }
-        Action::Watch { name, args } => {
+        Action::Trace { name, args } => {
             let request = ShowContainerRequest { id: name };
             if let Ok(response) = do_show_container(&mut conn, request)? {
                 let jid = response.running_container.jid;
+                let args = if args.is_empty() { vec!["-F".to_string(), "syscall".to_string()] } else { args };
                 let mut process = std::process::Command::new("dwatch")
                     .arg("-j")
                     .arg(jid.to_string())