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Merge branch 'dritter-dritter/system_stats' into next
This commit is contained in:
Ben Hilburn
commit
3693a3bfa7
2 changed files with 147 additions and 11 deletions
12
README.md
12
README.md
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@ -41,6 +41,7 @@ this theme focus on four primary goals:
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- [The AWS Profile Segment](#the-aws-profile-segment)
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- [The 'context' Segment](#the-context-segment)
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- [The 'dir' segment](#the-dir-segment)
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- [The 'ip' segment](#the-ip-segment)
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- [The 'time' segment](#the-time-segment)
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- [Unit Test Ratios](#unit-test-ratios)
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- [The 'vcs' Segment](#the-vcs-segment)
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@ -234,6 +235,8 @@ currently available are:
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* **context** - Your username and host (more info below)
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* **dir** - Your current working directory.
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* **history** - The command number for the current line.
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* **ip** - Shows the current IP address.
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* **load** - Your machines 5 minute load average and free RAM.
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* **node_version** - Show the version number of the installed Node.js.
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* **os_icon** - Display a nice little icon, depending on your operating system.
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* **rbenv** - Ruby environment information (if one is active).
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@ -291,6 +294,15 @@ In each case you have to specify the length you want to shorten the directory
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to. So in some cases `POWERLEVEL9K_SHORTEN_DIR_LENGTH` means characters, in
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others whole directories.
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#### The 'ip' segment
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This segment shows you your current internal IP address. It tries to examine
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all currently used network interfaces and prints the first address it finds.
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In the case that this is not the right IP address you can specify the correct
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network interface by setting:
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POWERLEVEL9K_IP_INTERFACE="eth0"
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#### The 'time' segment
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By default the time is show in 'H:M:S' format. If you want to change it,
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@ -32,6 +32,18 @@ function defined() {
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typeset -p "$varname" > /dev/null 2>&1
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}
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# Given the name of a variable and a default value, sets the variable
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# value to the default only if it has not been defined.
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#
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# Typeset cannot set the value for an array, so this will only work
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# for scalar values.
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function set_default() {
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local varname="$1"
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local default_value="$2"
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defined "$varname" || typeset -g "$varname"="$default_value"
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}
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# Safety function for printing icons
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# Prints the named icon, or if that icon is undefined, the string name.
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function print_icon() {
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@ -45,16 +57,52 @@ function print_icon() {
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fi
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}
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# Given the name of a variable and a default value, sets the variable
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# value to the default only if it has not been defined.
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#
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# Typeset cannot set the value for an array, so this will only work
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# for scalar values.
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function set_default() {
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local varname="$1"
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local default_value="$2"
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printSizeHumanReadable() {
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local size=$1
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local extension
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extension=(B K M G T P E Z Y)
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local index=1
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defined "$varname" || typeset -g "$varname"="$default_value"
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# if the base is not Bytes
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if [[ -n $2 ]]; then
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for idx in ${extension}; do
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if [[ "$2" == "$idx" ]]; then
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break
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fi
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index=$(( $index + 1 ))
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done
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fi
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while (( ($size / 1024) > 0 )); do
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size=$(( $size / 1024 ))
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index=$(( $index + 1 ))
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done
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echo $size${extension[$index]}
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}
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# Gets the first value out of a list of items that is not empty.
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# The items are examined by a callback-function.
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# Takes two arguments:
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# * $list - A list of items
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# * $callback - A callback function to examine if the item is
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# worthy. The callback function has access to
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# the inner variable $item.
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function getRelevantItem() {
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setopt shwordsplit # We need to split the words in $interfaces
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local list callback
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list=$1
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callback=$2
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for item in $list; do
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# The first non-empty item wins
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try=$(eval $callback)
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if [[ -n "$try" ]]; then
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echo $try
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break;
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fi
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done
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}
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################################################################
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@ -86,11 +134,15 @@ case $POWERLEVEL9K_MODE in
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NODE_ICON $'\U2B22' # ⬢
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MULTILINE_FIRST_PROMPT_PREFIX $'\U256D'$'\U2500'
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MULTILINE_SECOND_PROMPT_PREFIX $'\U2570'$'\U2500 '
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APPLE_ICON $'\UF8FF' #
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APPLE_ICON $'\UE26E' #
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FREEBSD_ICON $'\U1F608 ' # 😈
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LINUX_ICON $'\U1F427 ' # 🐧
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LINUX_ICON $'\UE271' #
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SUNOS_ICON $'\U1F31E ' # 🌞
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HOME_ICON $'\UE12C ' #
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NETWORK_ICON $'\UE1AD ' #
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LOAD_ICON $'\UE190 ' #
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#RAM_ICON $'\UE87D' #
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RAM_ICON $'\UE1E2 ' #
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VCS_UNTRACKED_ICON "\UE16C" #
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VCS_UNSTAGED_ICON "\UE17C" #
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VCS_STAGED_ICON "\UE168" #
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@ -132,6 +184,9 @@ case $POWERLEVEL9K_MODE in
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LINUX_ICON 'Lx'
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SUNOS_ICON 'Sun'
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HOME_ICON ''
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NETWORK_ICON 'IP'
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LOAD_ICON 'L'
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RAM_ICON 'RAM'
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VCS_UNTRACKED_ICON '?'
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VCS_UNSTAGED_ICON "\u25CF" # ●
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VCS_STAGED_ICON "\u271A" # ✚
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@ -522,6 +577,75 @@ prompt_icons_test() {
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done
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}
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prompt_ip() {
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if [[ "$OS" == "OSX" ]]; then
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if defined POWERLEVEL9K_IP_INTERFACE; then
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# Get the IP address of the specified interface.
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ip=$(ipconfig getifaddr $POWERLEVEL9K_IP_INTERFACE)
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else
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local interfaces callback
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# Get network interface names ordered by service precedence.
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interfaces=$(networksetup -listnetworkserviceorder | grep -o "Device:\s*[a-z0-9]*" | grep -o -E '[a-z0-9]*$')
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callback='ipconfig getifaddr $item'
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ip=$(getRelevantItem $interfaces $callback)
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fi
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else
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if defined POWERLEVEL9K_IP_INTERFACE; then
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# Get the IP address of the specified interface.
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ip=$(ip -4 a show $POWERLEVEL9K_IP_INTERFACE | grep -o "inet\s*[0-9.]*" | grep -o "[0-9.]*")
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else
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local interfaces callback
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# Get all network interface names that are up
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interfaces=$(ip link ls up | grep -o -E ":\s+[a-z0-9]+:" | grep -v "lo" | grep -o "[a-z0-9]*")
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callback='ip -4 a show $item | grep -o "inet\s*[0-9.]*" | grep -o "[0-9.]*"'
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ip=$(getRelevantItem $interfaces $callback)
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fi
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fi
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$1_prompt_segment "$0" "cyan" "$DEFAULT_COLOR" "$(print_icon 'NETWORK_ICON') $ip"
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}
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set_default POWERLEVEL9K_LOAD_SHOW_FREE_RAM true
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prompt_load() {
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if [[ "$OS" == "OSX" ]]; then
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load_avg_5min=$(sysctl vm.loadavg | grep -o -E '[0-9]+(\.|,)[0-9]+' | head -n 1)
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if [[ "$POWERLEVEL9K_LOAD_SHOW_FREE_RAM" == true ]]; then
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ramfree=$(vm_stat | grep "Pages free" | grep -o -E '[0-9]+')
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# Convert pages into Bytes
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ramfree=$(( $ramfree * 4096 ))
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base=''
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fi
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else
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load_avg_5min=$(grep -o "[0-9.]*" /proc/loadavg | head -n 1)
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if [[ "$POWERLEVEL9K_LOAD_SHOW_FREE_RAM" == true ]]; then
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ramfree=$(grep -o -E "MemFree:\s+[0-9]+" /proc/meminfo | grep -o "[0-9]*")
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base=K
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fi
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fi
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# Replace comma
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load_avg_5min=${load_avg_5min//,/.}
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if [[ "$load_avg_5min" -gt 10 ]]; then
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BACKGROUND_COLOR="red"
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FUNCTION_SUFFIX="_CRITICAL"
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elif [[ "$load_avg_5min" -gt 3 ]]; then
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BACKGROUND_COLOR="yellow"
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FUNCTION_SUFFIX="_WARNING"
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else
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BACKGROUND_COLOR="green"
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FUNCTION_SUFFIX="_NORMAL"
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fi
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$1_prompt_segment "$0$FUNCTION_SUFFIX" $BACKGROUND_COLOR "$DEFAULT_COLOR" "$(print_icon 'LOAD_ICON') $load_avg_5min"
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if [[ "$POWERLEVEL9K_LOAD_SHOW_FREE_RAM" == true ]]; then
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echo -n "$(print_icon 'RAM_ICON') $(printSizeHumanReadable $ramfree $base) "
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fi
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}
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# Right Status: (return code, root status, background jobs)
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# This creates a status segment for the *right* prompt. Exact same thing as
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# above - just other side.
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