Fix locale check

1 files changed, 6 insertions, 5 deletions

diff --git a/PKGBUILD b/PKGBUILD
index fb6d0f1406c8..115036cc8a99 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -33,11 +33,12 @@ sha256sums=(
 install=ros2-galactic.install
 
 prepare() {
-    # Check locale
-    locale | grep LANG | grep UTF-8
-    if [[ $? -ne 0 ]]; then
-        printf "Locale must support UTF-8. See https://wiki.archlinux.org/index.php/locale
-        or https://wiki.archlinux.org/index.php/locale ."
+    # Check locale according to
+    # https://docs.ros.org/en/rolling/Installation/Ubuntu-Development-Setup.html#set-locale
+    if ! locale | grep LANG | grep UTF-8 > /dev/null; then
+        echo 'Your locale must support UTF-8. See ' \
+             'https://wiki.archlinux.org/index.php/locale and ' \
+             'https://docs.ros.org/en/rolling/Installation/Ubuntu-Development-Setup.html#set-locale'
         exit 1
     fi