Merge pull request #943 from font/user_host_prompt

Add function for user@host in prompt

themes/base.theme.bash

@@ -52,6 +52,10 @@ SCM_NONE_CHAR='○'
 RVM_THEME_PROMPT_PREFIX=' |'
 RVM_THEME_PROMPT_SUFFIX='|'
 
+THEME_SHOW_USER_HOST=${THEME_SHOW_USER_HOST:=false}
+USER_HOST_THEME_PROMPT_PREFIX=''
+USER_HOST_THEME_PROMPT_SUFFIX=''
+
 VIRTUALENV_THEME_PROMPT_PREFIX=' |'
 VIRTUALENV_THEME_PROMPT_SUFFIX='|'
 
@@ -433,6 +437,12 @@ function clock_prompt {
   fi
 }
 
+function user_host_prompt {
+  if [[ "${THEME_SHOW_USER_HOST}" = "true" ]]; then
+      echo -e "${USER_HOST_THEME_PROMPT_PREFIX}\u@\h${USER_HOST_THEME_PROMPT_SUFFIX}"
+  fi
+}
+
 # backwards-compatibility
 function git_prompt_info {
   git_prompt_vars