style(themes/powerline-icon): adjust styles

themes/powerline-icon/powerline-icon.base.sh

@@ -9,41 +9,41 @@ source "$OSH/themes/powerline/powerline.base.sh"
 
 function __powerline_user_info_prompt {
   local user_info=""
-  local color=${USER_INFO_THEME_PROMPT_COLOR}
-  local secondary_color="${USER_INFO_THEME_PROMPT_SECONDARY_COLOR}"
+  local color=$USER_INFO_THEME_PROMPT_COLOR
+  local secondary_color=$USER_INFO_THEME_PROMPT_SECONDARY_COLOR
 
-  if [[ "${THEME_CHECK_SUDO}" = true ]]; then
+  if [[ $THEME_CHECK_SUDO == true ]]; then
     # check whether sudo is active for no-password executions
     if sudo -n cat <<< c3bcc5c 2>&1 | grep -q c3bcc5c; then
       color=${USER_INFO_THEME_PROMPT_COLOR_SUDO}
     fi
   fi
-  case "${POWERLINE_PROMPT_USER_INFO_MODE}" in
+  case $POWERLINE_PROMPT_USER_INFO_MODE in
   "sudo")
-    if [[ "${color}" == "${USER_INFO_THEME_PROMPT_COLOR_SUDO}" ]]; then
+    if [[ $color == "$USER_INFO_THEME_PROMPT_COLOR_SUDO" ]]; then
       user_info="!"
     fi
     ;;
   *)
-    if [[ -n "${SSH_CLIENT}" ]]; then
-      user_info="${USER_INFO_SSH_CHAR}${USER}@${HOSTNAME}"
+    if [[ $SSH_CLIENT ]]; then
+      user_info=$USER_INFO_SSH_CHAR$USER@$HOSTNAME
     else
-      user_info="${USER}"
+      user_info=$USER
     fi
     ;;
   esac
-  if [[ -n "${user_info}" ]]; then
+  if [[ $user_info ]]; then
     local clock=$(date +"${OMB_THEME_POWERLINE_ICON_CLOCK-%X %D}")
-    _omb_util_print "$OMB_THEME_POWERLINE_ICON_USER ${user_info}${clock:+ $clock}|${color}|${secondary_color}"
+    _omb_util_print "$OMB_THEME_POWERLINE_ICON_USER $user_info${clock:+ $clock}|$color|$secondary_color"
   fi
 }
 
 function __powerline_cwd_prompt {
-  _omb_util_print "$(pwd | sed "s|^${HOME}|$OMB_THEME_POWERLINE_ICON_HOME|")|${CWD_THEME_PROMPT_COLOR}"
+  _omb_util_print "$(pwd | sed "s|^$HOME|$OMB_THEME_POWERLINE_ICON_HOME|")|$CWD_THEME_PROMPT_COLOR"
 }
 
 function __powerline_last_status_prompt {
-  if [[ "$1" -ne 0 ]]; then
+  if (($1 != 0)); then
     _omb_util_print "$OMB_THEME_POWERLINE_ICON_EXIT_FAILURE${1}|${LAST_STATUS_THEME_PROMPT_COLOR}"
   else
     _omb_util_print "$OMB_THEME_POWERLINE_ICON_EXIT_SUCCESS|${LAST_STATUS_THEME_PROMPT_COLOR_SUCCESS}"