Nu's rest arguments are source(s) files scripts to run. (#3624)

crates/nu-cli/src/app.rs

@@ -110,7 +110,7 @@ impl App {
         }
 
         if let Some(scripts) = self.scripts() {
-            opts.scripts = scripts
+            let source_files = scripts
                 .into_iter()
                 .filter_map(Result::ok)
                 .map(|path| {
@@ -119,10 +119,17 @@ impl App {
                     NuScript::source_file(path.as_os_str())
                 })
                 .filter_map(Result::ok)
-                .collect();
+                .collect::<Vec<_>>();
 
-            let context = crate::create_default_context(false)?;
-            return crate::run_script_file(context, opts);
+            for file in source_files {
+                let mut opts = opts.clone();
+                opts.scripts = vec![file];
+
+                let context = crate::create_default_context(false)?;
+                crate::run_script_file(context, opts)?;
+            }
+
+            return Ok(());
         }
 
         let context = crate::create_default_context(true)?;

crates/nu-cli/src/app/options.rs

@@ -4,7 +4,7 @@ use nu_protocol::{UntaggedValue, Value};
 use std::cell::RefCell;
 use std::ffi::{OsStr, OsString};
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct CliOptions {
     pub config: Option<OsString>,
     pub stdin: bool,
@@ -64,7 +64,7 @@ impl Options {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct NuScript {
     pub filepath: Option<OsString>,
     pub contents: String,

crates/nu-command/src/commands/nu/command.rs

@@ -10,10 +10,15 @@ impl WholeStreamCommand for Command {
 
     fn signature(&self) -> Signature {
         Signature::build("nu")
-            .switch("stdin", "stdin", None)
+            .switch("stdin", "redirect stdin", None)
             .switch("skip-plugins", "do not load plugins", None)
             .switch("no-history", "don't save history", None)
-            .named("commands", SyntaxShape::String, "commands", Some('c'))
+            .named(
+                "commands",
+                SyntaxShape::String,
+                "commands to run",
+                Some('c'),
+            )
             .named(
                 "testbin",
                 SyntaxShape::String,
@@ -34,8 +39,7 @@ impl WholeStreamCommand for Command {
                 "custom configuration source file",
                 None,
             )
-            .optional("script", SyntaxShape::FilePath, "script to run")
-            .rest(SyntaxShape::String, "...")
+            .rest(SyntaxShape::String, "source file(s) to run")
     }
 
     fn usage(&self) -> &str {