commit ddd74b5d971a734c7e88cda3764f7e059f163b51
Author: Pavel Zhukov <pzhukov@redhat.com>
Date:   Wed Jul 14 11:43:39 2021 +0200

    Add fallback to hostname determination
    
    Use hostname in case if hostnamectl is not available/not functional.
    fallback to uname in case if both hostname and hostnamectl are
    missed (in containers)

diff --git a/profile b/profile
index 783fe17..542add4 100644
--- a/profile
+++ b/profile
@@ -42,7 +42,10 @@ else
     pathmunge /usr/sbin after
 fi
 
-HOSTNAME=`/usr/bin/hostnamectl --transient  2>/dev/null`
+HOSTNAME=$(/usr/bin/hostnamectl --transient 2>/dev/null) || \
+HOSTNAME=$(/usr/bin/hostname 2>/dev/null) || \
+HOSTNAME=$(/usr/bin/uname -n)
+
 HISTSIZE=1000
 if [ "$HISTCONTROL" = "ignorespace" ] ; then
     export HISTCONTROL=ignoreboth
commit f20b64fc99267d2343aa9141cf709ac1131bc178
Author: Pavel Zhukov <pzhukov@redhat.com>
Date:   Thu Jul 15 10:31:57 2021 +0200

    Do not use hostnamectl in csh

diff --git a/csh.cshrc b/csh.cshrc
index c3a37a3..eda4aa7 100644
--- a/csh.cshrc
+++ b/csh.cshrc
@@ -20,7 +20,7 @@ if ($?prompt) then
     # make completion work better by default
     set autolist
   else
-    set prompt=\[$user@`/usr/bin/hostnamectl --transient | cut -d'.' -f1`\]\$\ 
+    set prompt=\[$user@`/usr/bin/hostname`\]\$\ 
   endif
 endif
 
diff --git a/csh.login b/csh.login
index 2da86c9..e4b1990 100644
--- a/csh.login
+++ b/csh.login
@@ -25,7 +25,7 @@ else
 	end
 endif
 
-setenv HOSTNAME `/usr/bin/hostnamectl --transient`
+setenv HOSTNAME `/usr/bin/hostname`
 set history=1000
 
 if ( -d /etc/profile.d ) then