From 8551c55ab3799d3f7a5d5be0dbe2fe0468c214d7 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat, 16 Mar 2024 22:18:40 +0100
Subject: [PATCH] csplit: adjust the error message to match GNU's

Should fix tests/csplit/csplit
---
 src/uu/csplit/src/csplit_error.rs | 2 +-
 tests/by-util/test_csplit.rs      | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/uu/csplit/src/csplit_error.rs b/src/uu/csplit/src/csplit_error.rs
index 1559a29f8..4a83b637b 100644
--- a/src/uu/csplit/src/csplit_error.rs
+++ b/src/uu/csplit/src/csplit_error.rs
@@ -21,7 +21,7 @@ pub enum CsplitError {
     MatchNotFound(String),
     #[error("{}: match not found on repetition {}", ._0.quote(), _1)]
     MatchNotFoundOnRepetition(String, usize),
-    #[error("line number must be greater than zero")]
+    #[error("0: line number must be greater than zero")]
     LineNumberIsZero,
     #[error("line number '{}' is smaller than preceding line number, {}", _0, _1)]
     LineNumberSmallerThanPrevious(usize, usize),
diff --git a/tests/by-util/test_csplit.rs b/tests/by-util/test_csplit.rs
index fb4f4cc2a..a47a2551c 100644
--- a/tests/by-util/test_csplit.rs
+++ b/tests/by-util/test_csplit.rs
@@ -1359,3 +1359,11 @@ fn precision_format() {
         assert_eq!(at.read("xx 0x001"), generate(10, 51));
     }
 }
+
+#[test]
+fn zero_error() {
+    let (_, mut ucmd) = at_and_ucmd!();
+    ucmd.args(&["in", "0"])
+        .fails()
+        .stderr_contains("0: line number must be greater");
+}