From 07acfd7e794024103f1d956a96b3ff84d76d41c4 Mon Sep 17 00:00:00 2001
From: Daniel Imms <daimms@microsoft.com>
Date: Wed, 18 Apr 2018 09:18:17 -0700
Subject: [PATCH] Improve terminal clear command to work with multi-line
 prompts

Fixes #48146
---
 .../parts/terminal/electron-browser/terminalInstance.ts   | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts b/src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts
index 9db5b91c7d3..b81c277f4c3 100644
--- a/src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts
+++ b/src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts
@@ -567,7 +567,13 @@ export class TerminalInstance implements ITerminalInstance {
 	}
 
 	public clear(): void {
-		this._xterm.clear();
+		if (paths.basename(this._shellLaunchConfig.executable).match(/zsh|bash/)) {
+			// If a supported shell is being used, clear xterm scrollback then clear shell (^L)
+			this._xterm.write('\x1b[3J');
+			this._processManager.write('\x0c');
+		} else {
+			this._xterm.clear();
+		}
 	}
 
 	private _refreshSelectionContextKey() {
-- 
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