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Performance improvement: Avoid aggregation of data over and over again by extracting a local variable.

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This commit is contained in:
Dominik Ritter 2015-11-23 00:11:19 +01:00
parent 7774294113
commit c0efe9c342
1 changed files with 7 additions and 6 deletions
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13
powerlevel9k.zsh-theme
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@ -220,23 +220,24 @@ prompt_battery() {
[[ -z $POWERLEVEL9K_BATTERY_FOREGROUND ]] && local conn="$DEFAULT_COLOR_INVERTED" || local conn="$POWERLEVEL9K_BATTERY_FOREGROUND"
if [[ $OS =~ OSX && -f /usr/sbin/ioreg && -x /usr/sbin/ioreg ]]; then
local raw_data=$(ioreg -n AppleSmartBattery)
# return if there is no battery on system
[[ -z $(ioreg -n AppleSmartBattery | grep MaxCapacity) ]] && return
[[ -z $(echo $raw_data | grep MaxCapacity) ]] && return
# get charge status
[[ $(ioreg -n AppleSmartBattery | grep ExternalConnected | awk '{ print $5 }') =~ "Yes" ]] && local connected=true
[[ $(ioreg -n AppleSmartBattery | grep IsCharging | awk '{ print $5 }') =~ "Yes" ]] && local charging=true
[[ $(echo $raw_data | grep ExternalConnected | awk '{ print $5 }') =~ "Yes" ]] && local connected=true
[[ $(echo $raw_data | grep IsCharging | awk '{ print $5 }') =~ "Yes" ]] && local charging=true
# convert time remaining from minutes to hours:minutes date string
local time_remaining=$(ioreg -n AppleSmartBattery | grep TimeRemaining | awk '{ print $5 }')
local time_remaining=$(echo $raw_data | grep TimeRemaining | awk '{ print $5 }')
if [[ ! -z $time_remaining ]]; then
# this value is set to a very high number when the system is calculating
[[ $time_remaining -gt 10000 ]] && local tstring="..." || local tstring=${(f)$(date -u -r $(($time_remaining * 60)) +%k:%M)}
fi
# get charge values
local max_capacity=$(ioreg -n AppleSmartBattery | grep MaxCapacity | awk '{ print $5 }')
local current_capacity=$(ioreg -n AppleSmartBattery | grep CurrentCapacity | awk '{ print $5 }')
local max_capacity=$(echo $raw_data | grep MaxCapacity | awk '{ print $5 }')
local current_capacity=$(echo $raw_data | grep CurrentCapacity | awk '{ print $5 }')
if [[ -n "$max_capacity" && -n "$current_capacity" ]]; then
typeset -F 2 current_capacity