From 6f4080b591135cb0aa35fa75b94c6c47522e7144 Mon Sep 17 00:00:00 2001
From: Devel08 <Denislav08@proton.me>
Date: Sun, 3 May 2026 04:27:52 +0300
Subject: [PATCH 1/4] exit with code 1 when no arguments

---
 src/sed/mod.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/sed/mod.rs b/src/sed/mod.rs
index 1206140c..70cf1b4e 100644
--- a/src/sed/mod.rs
+++ b/src/sed/mod.rs
@@ -36,6 +36,15 @@ const USAGE: &str = "sed [OPTION]... [script] [file]...";
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     let matches = uu_app().try_get_matches_from(args)?;
+
+    // Don't use arg_required_else_help when declaring command
+    // as it exits with code 2 and we use it to check
+    // default matches in tests.
+    if !matches.args_present() {
+        let _ = uu_app().print_help();
+        std::process::exit(1);
+    }
+    
     let (scripts, files) = get_scripts_files(&matches)?;
     let mut context = build_context(&matches);
 

From 6e454cebe6c4f76d3d7e46eda21ea72b8243a50a Mon Sep 17 00:00:00 2001
From: Devel08 <Denislav08@proton.me>
Date: Sun, 3 May 2026 09:54:47 +0300
Subject: [PATCH 2/4] add a test for no arguments.

---
 tests/by-util/test_sed.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tests/by-util/test_sed.rs b/tests/by-util/test_sed.rs
index 13a65767..49246340 100644
--- a/tests/by-util/test_sed.rs
+++ b/tests/by-util/test_sed.rs
@@ -54,14 +54,18 @@ fn test_silent_alias() {
 #[test]
 fn test_missing_script_argument() {
     new_ucmd!()
+        .args(&["-i", "file.txt"])
         .fails()
         .code_is(1)
         .stderr_contains("missing script");
 }
 
 #[test]
-fn test_positional_script_ok() {
-    new_ucmd!().arg("l").succeeds().code_is(0);
+fn test_no_arguments() {
+    new_ucmd!()
+        .fails()
+        .code_is(1)
+        .stdout_contains("Stream editor for filtering and transforming text");
 }
 
 #[test]

From e85c2672a000c2d49c2e99a61bde9601a156d311 Mon Sep 17 00:00:00 2001
From: Devel08 <Denislav08@proton.me>
Date: Sun, 3 May 2026 10:15:26 +0300
Subject: [PATCH 3/4] Update test_sed.rs

---
 tests/by-util/test_sed.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/by-util/test_sed.rs b/tests/by-util/test_sed.rs
index 49246340..ec9c441c 100644
--- a/tests/by-util/test_sed.rs
+++ b/tests/by-util/test_sed.rs
@@ -68,6 +68,11 @@ fn test_no_arguments() {
         .stdout_contains("Stream editor for filtering and transforming text");
 }
 
+#[test]
+fn test_positional_script_ok() {
+    new_ucmd!().arg("l").succeeds().code_is(0);
+}
+
 #[test]
 fn test_empty_positional_script_ok() {
     new_ucmd!().arg("").succeeds().code_is(0);

From 477b2a38be1896ea075e72ce22dca6ed914f112f Mon Sep 17 00:00:00 2001
From: Devel08 <Denislav08@proton.me>
Date: Sun, 3 May 2026 10:46:18 +0300
Subject: [PATCH 4/4] cargo fmt

---
 src/sed/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sed/mod.rs b/src/sed/mod.rs
index 70cf1b4e..7605f522 100644
--- a/src/sed/mod.rs
+++ b/src/sed/mod.rs
@@ -44,7 +44,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
         let _ = uu_app().print_help();
         std::process::exit(1);
     }
-    
+
     let (scripts, files) = get_scripts_files(&matches)?;
     let mut context = build_context(&matches);