Merge pull request microsoft#160909 from CKeilbar/bugfix-terminal-prefix

Removed erroneous references to PREFIX environment variable

Author: Tyriar

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

@@ -98,7 +98,7 @@ __vsc_update_prompt() {
 		# means the user re-exported the PS1 so we should re-wrap it
 		if [[ "$__vsc_custom_PS1" == "" || "$__vsc_custom_PS1" != "$PS1" ]]; then
 			__vsc_original_PS1=$PS1
-			__vsc_custom_PS1="\[$(__vsc_prompt_start)\]$PREFIX$__vsc_original_PS1\[$(__vsc_prompt_end)\]"
+			__vsc_custom_PS1="\[$(__vsc_prompt_start)\]$__vsc_original_PS1\[$(__vsc_prompt_end)\]"
 			PS1="$__vsc_custom_PS1"
 		fi
 		if [[ "$__vsc_custom_PS2" == "" || "$__vsc_custom_PS2" != "$PS2" ]]; then

src/vs/workbench/contrib/terminal/browser/media/shellIntegration-rc.zsh

@@ -84,14 +84,11 @@ if [[ -o NOUNSET ]]; then
 	if [ -z "${RPROMPT-}" ]; then
 		RPROMPT=""
 	fi
-	if [ -z "${PREFIX-}" ]; then
-		PREFIX=""
-	fi
 fi
 __vsc_update_prompt() {
 	__vsc_prior_prompt="$PS1"
 	__vsc_in_command_execution=""
-	PS1="%{$(__vsc_prompt_start)%}$PREFIX$PS1%{$(__vsc_prompt_end)%}"
+	PS1="%{$(__vsc_prompt_start)%}$PS1%{$(__vsc_prompt_end)%}"
 	PS2="%{$(__vsc_continuation_start)%}$PS2%{$(__vsc_continuation_end)%}"
 	if [ -n "$RPROMPT" ]; then
 		__vsc_prior_rprompt="$RPROMPT"