fix: prompt height calculations

Signed-off-by: Chapman Pendery <[email protected]>

Author: cpendery

src/vs/workbench/contrib/terminal/browser/media/shellIntegration-bash.sh

@@ -180,7 +180,7 @@ __vsc_update_cwd() {
 }
 
 __vsc_update_prompt_height() {
-	__vsc_prompt_height="$(builtin printf "%s" "${PS1@P}" | wc -l)"
+	__vsc_prompt_height="$(("$(builtin printf "%s" "${PS1@P}" | wc -l)" + 1))"
 	builtin printf '\e]633;P;PromptHeight=%s\a' "$(__vsc_escape_value "$__vsc_prompt_height")"
 }
 

src/vs/workbench/contrib/terminal/browser/media/shellIntegration.ps1

@@ -95,7 +95,7 @@ function Global:Prompt() {
 
 	# Prompt height
 	# OSC 633 ; <Property>=<Value> ST
-	$Result += "$([char]0x1b)]633;P;PromptHeight=$(__VSCode-Escape-Value ($OriginalPrompt -Split '\n').Count - 1)`a"
+	$Result += "$([char]0x1b)]633;P;PromptHeight=$(__VSCode-Escape-Value ($OriginalPrompt -Split '\n').Count)`a"
 
 	# Write command started
 	$Result += "$([char]0x1b)]633;B`a"