Add history flushes on each command to the powerline themes.

Author: seefood

themes/powerline-multiline/powerline-multiline.base.bash

@@ -60,6 +60,7 @@ function __powerline_prompt_command {
   SEGMENTS_AT_LEFT=0
   SEGMENTS_AT_RIGHT=0
   LAST_SEGMENT_COLOR=""
+  _save-and-reload-history "${HISTORY_AUTOSAVE:-0}"
 
   ## left prompt ##
   for segment in $POWERLINE_LEFT_PROMPT; do

themes/powerline-naked/powerline-naked.base.bash

@@ -26,6 +26,7 @@ function __powerline_left_segment {
   LEFT_PROMPT+="$(set_color ${params[1]} -)${pad_before_segment}${params[0]}${normal}"
   LAST_SEGMENT_COLOR=${params[1]}
   (( SEGMENTS_AT_LEFT += 1 ))
+  _save-and-reload-history "${HISTORY_AUTOSAVE:-0}"
 }
 
 function __powerline_left_last_segment_padding {

themes/powerline/powerline.base.bash

@@ -255,6 +255,7 @@ function __powerline_prompt_command() {
 	LEFT_PROMPT=""
 	SEGMENTS_AT_LEFT=0
 	LAST_SEGMENT_COLOR=""
+	save-and-reload-history "${HISTORY_AUTOSAVE:-0}"
 
 	if [[ -n "${POWERLINE_PROMPT_DISTRO_LOGO}" ]]; then
 		LEFT_PROMPT+="$(set_color "${PROMPT_DISTRO_LOGO_COLOR}" "${PROMPT_DISTRO_LOGO_COLORBG}")${PROMPT_DISTRO_LOGO}$(set_color - -)"