--- a/.bashrc	Mon May 07 12:17:32 2018 +0300
+++ b/.bashrc	Sat May 12 22:28:34 2018 +0300
@@ -9,25 +9,23 @@
   . ~/.env
 fi
 
-hr() {
+_my_ruler() {
   local ruler=''
   for (( i=${COLUMNS:-78}; i>0; i-=1 )) do
       ruler+='='
   done
   echo $ruler
 }
-HR=`hr`
 
-PS1='\n'`hr`'\r$?|\u@\h \w \nbash# '
+PS1='\n$(_my_ruler)\r$?|\u@\h \w \nbash# '
 PS2='> '
 
 case "$TERM" in
   xterm*|eterm-color|screen|linux|cygwin)
-    PS1=$'\n\e[34m\e[1m'`hr`$'\r$?|\e[31m\u\e[35m@\h\e[0m\e[36m \w \n\[\e[1m\e[31m\]bash#\[\e[0m\] '
+    PS1=$'\n\e[34m\e[1m$(_my_ruler)$\r$?|\e[31m\u\e[35m@\h\e[0m\e[36m \w \n\[\e[1m\e[31m\]bash#\[\e[0m\] '
     PS2=$'\[\e[32m\]> \[\e[0m\]'
   ;;
 esac
-unset hr
 # Set current directory in terminal emulator title.
 case "$TERM" in
   xterm*|screen|linux|cygwin)