Display running command when showing help on `stellar contract invoke…

…`. (#1859)

cmd/soroban-cli/src/commands/contract/arg_parsing.rs

@@ -1,5 +1,6 @@
 use std::collections::HashMap;
 use std::convert::TryInto;
+use std::env;
 use std::ffi::OsString;
 use std::fmt::Debug;
 use std::path::PathBuf;
@@ -51,14 +52,25 @@ pub enum Error {
     Config(#[from] config::Error),
 }
 
+fn running_cmd() -> String {
+    let mut args: Vec<String> = env::args().collect();
+
+    if let Some(pos) = args.iter().position(|arg| arg == "--") {
+        args.truncate(pos);
+    }
+
+    format!("{} --", args.join(" "))
+}
+
 pub fn build_host_function_parameters(
     contract_id: &stellar_strkey::Contract,
     slop: &[OsString],
     spec_entries: &[ScSpecEntry],
     config: &config::Args,
 ) -> Result<(String, Spec, InvokeContractArgs, Vec<SigningKey>), Error> {
     let spec = Spec(Some(spec_entries.to_vec()));
-    let mut cmd = clap::Command::new(contract_id.to_string())
+
+    let mut cmd = clap::Command::new(running_cmd())
         .no_binary_name(true)
         .term_width(300)
         .max_term_width(300);