fix issue #3526 (#3529)

CHANGELOG.md

@@ -1,5 +1,7 @@
 # unreleased
 
+- Fixed bug caused by using `--plain` and `--terminal-width=N` flags simultaneously, see #3529 (@H4k1l)
+
 ## Features
 
 - Improve native man pages and command help syntax highlighting by stripping overstriking, see #3517 (@akirk)

src/bin/bat/app.rs

@@ -405,7 +405,7 @@ impl App {
                         Some("character") => WrappingMode::Character,
                         Some("never") => WrappingMode::NoWrapping(true),
                         Some("auto") | None => {
-                            if style_components.plain() {
+                            if style_components.plain() && maybe_term_width.is_none() {
                                 WrappingMode::NoWrapping(false)
                             } else {
                                 WrappingMode::Character

tests/integration_tests.rs

@@ -3631,3 +3631,17 @@ fn style_components_will_merge_with_env_var() {
         .stdout("     STDIN\n   1 test\n")
         .stderr("");
 }
+
+// Test for https://github.com/sharkdp/bat/issues/3526
+#[test]
+fn plain_with_sized_terminal_width() {
+    bat()
+        .arg("--plain")
+        .arg("--terminal-width=6")
+        .arg("--decorations=always")
+        .arg("test.txt")
+        .assert()
+        .success()
+        .stdout("hello \nworld\n")
+        .stderr("");
+}