lib/battery: rename `plugin/battery`

This plugin *only* provides utility functions, so it has zero cost to just being enabled. This allows us to eliminate assumptions from `lib/theme` and several themes.

clean_files.txt

@@ -81,6 +81,7 @@ completion/available/vuejs.completion.bash
 completion/available/wpscan.completion.bash
 
 # libraries
+lib/battery.bash
 lib/colors.bash
 lib/helpers.bash
 lib/log.bash
@@ -94,7 +95,6 @@ plugins/available/alias-completion.plugin.bash
 plugins/available/autojump.plugin.bash
 plugins/available/base.plugin.bash
 plugins/available/basher.plugin.bash
-plugins/available/battery.plugin.bash
 plugins/available/blesh.plugin.bash
 plugins/available/cmd-returned-notify.plugin.bash
 plugins/available/colors.plugin.bash

themes/base.theme.bash

@@ -558,23 +558,6 @@ function battery_char {
 	fi
 }
 
-if ! _command_exists battery_charge; then
-	# if user has installed battery plugin, skip this...
-	function battery_charge() {
-		# no op
-		echo -n
-	}
-fi
-
-# The battery_char function depends on the presence of the battery_percentage function.
-# If battery_percentage is not defined, then define battery_char as a no-op.
-if ! _command_exists battery_percentage; then
-	function battery_char() {
-		# no op
-		echo -n
-	}
-fi
-
 function aws_profile {
 	if [[ $AWS_DEFAULT_PROFILE ]]; then
 		echo -e "${AWS_DEFAULT_PROFILE}"

themes/demula/demula.theme.bash

@@ -82,14 +82,6 @@ ${D_BRANCH_COLOR}%b %r ${D_CHANGES_COLOR}%m%u ${D_DEFAULT_COLOR}"
   fi
 }
 
-# checks if the plugin is installed before calling battery_charge
-safe_battery_charge() {
-  if _command_exists battery_charge ;
-  then
-    battery_charge
-  fi
-}
-
 # -------------------------------------------------------------- PROMPT OUTPUT
 prompt() {
   local LAST_COMMAND_FAILED=$(mitsuhikos_lastcommandfailed)
@@ -101,7 +93,7 @@ prompt() {
   if [[ "$OSTYPE" = 'linux'* ]]
   then
     PS1="${TITLEBAR}${SAVE_CURSOR}${MOVE_CURSOR_RIGHTMOST}${MOVE_CURSOR_5_LEFT}
-$(safe_battery_charge)${RESTORE_CURSOR}\
+$(battery_charge)${RESTORE_CURSOR}\
 ${D_USER_COLOR}\u ${D_INTERMEDIATE_COLOR}\
 at ${D_MACHINE_COLOR}\h ${D_INTERMEDIATE_COLOR}\
 in ${D_DIR_COLOR}\w ${D_INTERMEDIATE_COLOR}\
@@ -117,7 +109,7 @@ in ${D_DIR_COLOR}\w ${D_INTERMEDIATE_COLOR}\
 ${LAST_COMMAND_FAILED}\
 $(demula_vcprompt)\
 $(is_vim_shell)\
-$(safe_battery_charge)
+$(battery_charge)
 ${D_INTERMEDIATE_COLOR}$ ${D_DEFAULT_COLOR}"
   fi
 

themes/rana/rana.theme.bash

@@ -115,14 +115,6 @@ ${D_BRANCH_COLOR}%b %r ${D_CHANGES_COLOR}%m%u ${D_DEFAULT_COLOR}"
   fi
 }
 
-# checks if the plugin is installed before calling battery_charge
-safe_battery_charge() {
-  if _command_exists battery_charge ;
-  then
-    battery_charge
-  fi
-}
-
 prompt_git() {
 	local s='';
 	local branchName='';
@@ -185,7 +177,7 @@ prompt() {
   then
     PS1="${TITLEBAR}
 ${SAVE_CURSOR}${MOVE_CURSOR_RIGHTMOST}${MOVE_CURSOR_5_LEFT}\
-$(safe_battery_charge)${RESTORE_CURSOR}\
+$(battery_charge)${RESTORE_CURSOR}\
 ${D_USER_COLOR}\u ${D_INTERMEDIATE_COLOR}\
 at ${D_MACHINE_COLOR}\h ${D_INTERMEDIATE_COLOR}\
 in ${D_DIR_COLOR}\w ${D_INTERMEDIATE_COLOR}\
@@ -203,7 +195,7 @@ $(prompt_git "$D_INTERMEDIATE_COLOR on $D_GIT_COLOR")\
 ${LAST_COMMAND_FAILED}\
 $(demula_vcprompt)\
 $(is_vim_shell)\
-$(safe_battery_charge)
+$(battery_charge)
 ${D_INTERMEDIATE_COLOR}$ ${D_DEFAULT_COLOR}"
   fi