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added battery prompt segment usable on OS X systems
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rjorgenson
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2 changed files with 63 additions and 1 deletions
17
README.md
17
README.md
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@ -71,6 +71,7 @@ configuration is the default:
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The segments that are currently available are:
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* [aws](#aws) - The current AWS profile, if active.
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* [battery](#battery) - Current battery status(OS X only).
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* [context](#context) - Your username and host.
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* [dir](#dir) - Your current working directory.
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* **history** - The command number for the current line.
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@ -101,6 +102,22 @@ your `~/.zshrc`:
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export AWS_DEFAULT_PROFILE=<profile_name>
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##### battery
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This segment will display your current battery status on an OS X system(fails gracefully
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on systems without a battery and non OS X systems). It can be customized in your .zshrc
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with the environment variables detailed below with their default values.
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POWERLEVEL9K_BATTERY_CHARGING="yellow"
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POWERLEVEL9K_BATTERY_CHARGED="green"
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POWERLEVEL9K_BATTERY_DISCONNECTED=$DEFAULT_COLOR
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POWERLEVEL9K_BATTERY_LOW_THRESHOLD=10
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POWERLEVEL9K_BATTERY_LOW_COLOR="red"
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In addition to the above it supports standard _FOREGROUND value without affecting the icon color
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##### context
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The `context` segment (user@host string) is conditional. This lets you enable it, but only display
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@ -46,6 +46,7 @@ case $POWERLEVEL9K_MODE in
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BACKGROUND_JOBS_ICON $'\UE82F ' #
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TEST_ICON $'\UE891' #
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TODO_ICON $'\U2611' # ☑
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BATTERY_ICON $'\UE894' #
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OK_ICON $'\U2713' # ✓
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FAIL_ICON $'\U2718' # ✘
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SYMFONY_ICON 'SF'
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@ -95,6 +96,7 @@ case $POWERLEVEL9K_MODE in
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BACKGROUND_JOBS_ICON $'\UF013 ' #
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TEST_ICON $'\UF291' #
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TODO_ICON $'\U2611' # ☑
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BATTERY_ICON $'\u1F50B' # 🔋
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OK_ICON $'\UF23A' #
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FAIL_ICON $'\UF281' #
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SYMFONY_ICON 'SF'
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@ -139,6 +141,7 @@ case $POWERLEVEL9K_MODE in
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BACKGROUND_JOBS_ICON $'\u2699' # ⚙
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TEST_ICON ''
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TODO_ICON $'\U2611' # ☑
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BATTERY_ICON $'\u1F50B' # 🔋
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OK_ICON $'\u2713' # ✓
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FAIL_ICON $'\u2718' # ✘
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SYMFONY_ICON 'SF'
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@ -611,6 +614,48 @@ prompt_aws() {
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fi
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}
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prompt_battery() {
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if [[ -f /usr/sbin/ioreg && -x /usr/sbin/ioreg ]]; then
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# return if there is no battery on system
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[[ -z $(ioreg -n AppleSmartBattery | grep MaxCapacity) ]] && return
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# set default values of not specified in shell
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[[ -z $POWERLEVEL9K_BATTERY_CHARGING ]] && POWERLEVEL9K_BATTERY_CHARGING="yellow"
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[[ -z $POWERLEVEL9K_BATTERY_CHARGED ]] && POWERLEVEL9K_BATTERY_CHARGED="green"
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[[ -z $POWERLEVEL9K_BATTERY_DISCONNECTED ]] && POWERLEVEL9K_BATTERY_DISCONNECTED="$DEFAULT_COLOR"
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[[ -z $POWERLEVEL9K_BATTERY_LOW_THRESHOLD ]] && POWERLEVEL9K_BATTERY_LOW_THRESHOLD=10
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[[ -z $POWERLEVEL9K_BATTERY_LOW_COLOR ]] && POWERLEVEL9K_BATTERY_LOW_COLOR="red"
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[[ -z $POWERLEVEL9K_BATTERY_FOREGROUND ]] && local fg_color="$DEFAULT_COLOR" || local fg_color=$POWERLEVEL9K_BATTERY_FOREGROUND
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# get charge status
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[[ $(ioreg -n AppleSmartBattery | grep ExternalConnected | awk '{ print $5 }') =~ "Yes" ]] && local connected=true
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[[ $(ioreg -n AppleSmartBattery | grep IsCharging | awk '{ print $5 }') =~ "Yes" ]] && local charging=true
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# convert time remaining from minutes to hours:minutes date string
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local time_remaining=$(ioreg -n AppleSmartBattery | grep TimeRemaining | awk '{ print $5 }')
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if [[ ! -z $time_remaining ]]; then
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# this value is set to a very high number when the system is calculating
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[[ $time_remaining -gt 10000 ]] && local tstring="..." || local tstring=${(f)$(date -u -r $(($time_remaining * 60)) +%k:%M)}
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fi
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# get charge values
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local max_capacity=$(ioreg -n AppleSmartBattery | grep MaxCapacity | awk '{ print $5 }')
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local current_capacity=$(ioreg -n AppleSmartBattery | grep CurrentCapacity | awk '{ print $5 }')
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# logic for string output
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[[ ! -z $max_capacity && ! -z $current_capacity ]] && local bat_percent=$(ruby -e "puts ($current_capacity.to_f / $max_capacity.to_f * 100).round.to_i")
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[[ $charging =~ true && $connected =~ true ]] && local conn="%F{$POWERLEVEL9K_BATTERY_CHARGING}" && local remain="($tstring)"
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[[ ! $charging =~ true && $connected =~ true ]] && local conn="%F{$POWERLEVEL9K_BATTERY_CHARGED}" && local remain=""
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if [[ ! $connected =~ true ]]; then
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[[ $bat_percent -lt $POWERLVEL9K_BATTERY_LOW_THRESHOLD ]] && local conn="%F{$POWERLEVEL9K_BATTERY_LOW_COLOR}" || local conn="%F{$POWERLEVEL9K_BATTERY_DISCONNECTED}"
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local remain="($tstring)"
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fi
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# display prompt_segment
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[[ ! -z $bat_percent ]] && "$1_prompt_segment" "$0" "black" "$DEFAULT_COLOR" "$conn$(print_icon 'BATTERY_ICON'){$fg_color} $bat_percent%% $remain"
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fi
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}
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# Context: user@hostname (who am I and where am I)
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# Note that if $DEFAULT_USER is not set, this prompt segment will always print
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prompt_context() {
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@ -965,7 +1010,7 @@ powerlevel9k_init() {
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fi
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setopt prompt_subst
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setopt LOCAL_OPTIONS
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unsetopt XTRACE KSH_ARRAYS
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setopt PROMPT_CR PROMPT_PERCENT PROMPT_SUBST MULTIBYTE
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