configs/releng/airootfs/root/.zlogin: use grep -a to ensure /proc/cmdline is treated as text

This protects against the case where /proc/cmdline contains garbage triggering grep to think it is a binary.
See e.g. https://bugs.archlinux.org/task/76468 for an example.

1 files changed, 1 insertions, 1 deletions

diff --git a/configs/releng/airootfs/root/.zlogin b/configs/releng/airootfs/root/.zlogin
index 0fb119d..bf6bc8f 100644
--- a/configs/releng/airootfs/root/.zlogin
+++ b/configs/releng/airootfs/root/.zlogin
@@ -1,5 +1,5 @@
 # fix for screen readers
-if grep -Fq 'accessibility=' /proc/cmdline &> /dev/null; then
+if grep -Fqa 'accessibility=' /proc/cmdline &> /dev/null; then
     setopt SINGLE_LINE_ZLE
 fi