From 7faa707d26078517737facc14b451d5f46dbbd8b Mon Sep 17 00:00:00 2001
From: Ludovic Bellier <lbellier-gth@zyrianes.net>
Date: Sat, 28 Nov 2020 23:54:56 +0100
Subject: [PATCH] fix archlinux detection of available upgrades note:
 checkupdates return 2 when no updates are available (source: man page and
 source code)

---
 package-managers/upgrades-installed-check | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/package-managers/upgrades-installed-check b/package-managers/upgrades-installed-check
index 2222633..edd4a20 100755
--- a/package-managers/upgrades-installed-check
+++ b/package-managers/upgrades-installed-check
@@ -34,7 +34,8 @@ elif [ -e /etc/arch-release ]; then
     set -o pipefail
     checkupdates_output="$(checkupdates 2>&1)"
     exit_code="$?"
-    echo "$checkupdates_output" | grep -qF -- '->' && echo "false" || echo "true"
+    [ "$exit_code" -eq 2 ] && echo "true" && exit 0
+    echo "false"
 elif [ -e /etc/gentoo-release ]; then
     ## Gentoo
     set -e