/etc/zsh/zshrc: yse kexec alias only if /proc/cmdline can be read

[grml-etc-core.git] / etc / zsh / zshrc

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index 3b6d6de..33b60ea 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -790,7 +790,7 @@ ${BLUE}%n${NO_COLOUR}@%m %40<...<%B%~%b%<< %# "
   alias ...='cd ../../'
 
   # generate alias named "$KERNELVERSION-reboot" so you can use boot with kexec:
-  if [ -x /sbin/kexec ] ; then
+  if [ -x /sbin/kexec -a -r /proc/cmdline ] ; then
      alias "$(uname -r)-reboot"="kexec -l --initrd=/boot/initrd.img-"$(uname -r)" --command-line=\"$(cat /proc/cmdline)\" /boot/vmlinuz-"$(uname -r)""
   fi