From 004616122241810cf4fd63be8237fc0422b1b2f9 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Mon, 16 May 2022 00:30:01 -0300
Subject: etc/bash/vcs-ps1.sh: Better checking of empty shell variables

---
 etc/bash/vcs-ps1.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'etc/bash')

diff --git a/etc/bash/vcs-ps1.sh b/etc/bash/vcs-ps1.sh
index 4b440be..6e74e1d 100644
--- a/etc/bash/vcs-ps1.sh
+++ b/etc/bash/vcs-ps1.sh
@@ -132,7 +132,7 @@ path() {
 }
 
 guix_env() {
-	if [ "$GUIX_ENVIRONMENT" != '' ]; then
+	if [ -n "${GUIX_ENVIRONMENT:-}" ]; then
 		printf '\n'
 		color -c blacki '~> '
 		color -c purple 'guix environment '
@@ -143,7 +143,7 @@ guix_env() {
 }
 
 in_nix_shell() {
-	if [ "$IN_NIX_SHELL" != '' ]; then
+	if [ -n "${IN_NIX_SHELL:-}" ]; then
 		printf '\n'
 		color -c blacki '~> '
 		color -c purpleb "$IN_NIX_SHELL "
-- 
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