zshsrc + zshenv: support hostnamectl iff hostname isn't present

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

diff --git a/etc/zsh/zshenv b/etc/zsh/zshenv
index 9a97788..9b70921 100644 (file)
--- a/etc/zsh/zshenv
+++ b/etc/zsh/zshenv
@@ -26,7 +26,13 @@
 [[ -r /etc/environment ]] && source /etc/environment
 
 # set environment variables (important for autologin on tty)
-export HOSTNAME=${HOSTNAME:-$(hostname)}
+if [ -n "${HOSTNAME}" ] ; then
+  export HOSTNAME="${HOSTNAME}"
+elif [[ -x $(which hostname) ]] ; then
+  export HOSTNAME="$(hostname)"
+elif [[ -x $(which hostnamectl) ]] ; then
+  export HOSTNAME="$(hostnamectl --static)"
+fi
 
 # make sure /usr/bin/id is available
 if [[ -x /usr/bin/id ]] ; then