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Merge branch 'dritter-dritter/system_stats' into next

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pull/22/head
Ben Hilburn 9 years ago
parent f0e8b992dc 8fffb04dcd
commit 3693a3bfa7
2 changed files with 147 additions and 11 deletions
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12
README.md
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@ -41,6 +41,7 @@ this theme focus on four primary goals:
- [The AWS Profile Segment](#the-aws-profile-segment)
- [The 'context' Segment](#the-context-segment)
- [The 'dir' segment](#the-dir-segment)
- [The 'ip' segment](#the-ip-segment)
- [The 'time' segment](#the-time-segment)
- [Unit Test Ratios](#unit-test-ratios)
- [The 'vcs' Segment](#the-vcs-segment)
@ -234,6 +235,8 @@ currently available are:
* **context** - Your username and host (more info below)
* **dir** - Your current working directory.
* **history** - The command number for the current line.
* **ip** - Shows the current IP address.
* **load** - Your machines 5 minute load average and free RAM.
* **node_version** - Show the version number of the installed Node.js.
* **os_icon** - Display a nice little icon, depending on your operating system.
* **rbenv** - Ruby environment information (if one is active).
@ -291,6 +294,15 @@ In each case you have to specify the length you want to shorten the directory
to. So in some cases `POWERLEVEL9K_SHORTEN_DIR_LENGTH` means characters, in
others whole directories.
#### The 'ip' segment
This segment shows you your current internal IP address. It tries to examine
all currently used network interfaces and prints the first address it finds.
In the case that this is not the right IP address you can specify the correct
network interface by setting:
POWERLEVEL9K_IP_INTERFACE="eth0"
#### The 'time' segment
By default the time is show in 'H:M:S' format. If you want to change it,

146
powerlevel9k.zsh-theme
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@ -32,6 +32,18 @@ function defined() {
typeset -p "$varname" > /dev/null 2>&1
}
# Given the name of a variable and a default value, sets the variable
# value to the default only if it has not been defined.
#
# Typeset cannot set the value for an array, so this will only work
# for scalar values.
function set_default() {
local varname="$1"
local default_value="$2"
defined "$varname" || typeset -g "$varname"="$default_value"
}
# Safety function for printing icons
# Prints the named icon, or if that icon is undefined, the string name.
function print_icon() {
@ -45,16 +57,52 @@ function print_icon() {
fi
}
# Given the name of a variable and a default value, sets the variable
# value to the default only if it has not been defined.
#
# Typeset cannot set the value for an array, so this will only work
# for scalar values.
function set_default() {
local varname="$1"
local default_value="$2"
printSizeHumanReadable() {
local size=$1
local extension
extension=(B K M G T P E Z Y)
local index=1
defined "$varname" || typeset -g "$varname"="$default_value"
# if the base is not Bytes
if [[ -n $2 ]]; then
for idx in ${extension}; do
if [[ "$2" == "$idx" ]]; then
break
fi
index=$(( $index + 1 ))
done
fi
while (( ($size / 1024) > 0 )); do
size=$(( $size / 1024 ))
index=$(( $index + 1 ))
done
echo $size${extension[$index]}
}
# Gets the first value out of a list of items that is not empty.
# The items are examined by a callback-function.
# Takes two arguments:
# * $list - A list of items
# * $callback - A callback function to examine if the item is
# worthy. The callback function has access to
# the inner variable $item.
function getRelevantItem() {
setopt shwordsplit # We need to split the words in $interfaces
local list callback
list=$1
callback=$2
for item in $list; do
# The first non-empty item wins
try=$(eval $callback)
if [[ -n "$try" ]]; then
echo $try
break;
fi
done
}
################################################################
@ -86,11 +134,15 @@ case $POWERLEVEL9K_MODE in
NODE_ICON $'\U2B22' # ⬢
MULTILINE_FIRST_PROMPT_PREFIX $'\U256D'$'\U2500'
MULTILINE_SECOND_PROMPT_PREFIX $'\U2570'$'\U2500 '
APPLE_ICON $'\UF8FF' # 
APPLE_ICON $'\UE26E' # 
FREEBSD_ICON $'\U1F608 ' # 😈
LINUX_ICON $'\U1F427 ' # 🐧
LINUX_ICON $'\UE271' # 
SUNOS_ICON $'\U1F31E ' # 🌞
HOME_ICON $'\UE12C ' # 
NETWORK_ICON $'\UE1AD ' # 
LOAD_ICON $'\UE190 ' # 
#RAM_ICON $'\UE87D' # 
RAM_ICON $'\UE1E2 ' # 
VCS_UNTRACKED_ICON "\UE16C" # 
VCS_UNSTAGED_ICON "\UE17C" # 
VCS_STAGED_ICON "\UE168" # 
@ -132,6 +184,9 @@ case $POWERLEVEL9K_MODE in
LINUX_ICON 'Lx'
SUNOS_ICON 'Sun'
HOME_ICON ''
NETWORK_ICON 'IP'
LOAD_ICON 'L'
RAM_ICON 'RAM'
VCS_UNTRACKED_ICON '?'
VCS_UNSTAGED_ICON "\u25CF" # ●
VCS_STAGED_ICON "\u271A" # ✚
@ -522,6 +577,75 @@ prompt_icons_test() {
done
}
prompt_ip() {
if [[ "$OS" == "OSX" ]]; then
if defined POWERLEVEL9K_IP_INTERFACE; then
# Get the IP address of the specified interface.
ip=$(ipconfig getifaddr $POWERLEVEL9K_IP_INTERFACE)
else
local interfaces callback
# Get network interface names ordered by service precedence.
interfaces=$(networksetup -listnetworkserviceorder | grep -o "Device:\s*[a-z0-9]*" | grep -o -E '[a-z0-9]*$')
callback='ipconfig getifaddr $item'
ip=$(getRelevantItem $interfaces $callback)
fi
else
if defined POWERLEVEL9K_IP_INTERFACE; then
# Get the IP address of the specified interface.
ip=$(ip -4 a show $POWERLEVEL9K_IP_INTERFACE | grep -o "inet\s*[0-9.]*" | grep -o "[0-9.]*")
else
local interfaces callback
# Get all network interface names that are up
interfaces=$(ip link ls up | grep -o -E ":\s+[a-z0-9]+:" | grep -v "lo" | grep -o "[a-z0-9]*")
callback='ip -4 a show $item | grep -o "inet\s*[0-9.]*" | grep -o "[0-9.]*"'
ip=$(getRelevantItem $interfaces $callback)
fi
fi
$1_prompt_segment "$0" "cyan" "$DEFAULT_COLOR" "$(print_icon 'NETWORK_ICON') $ip"
}
set_default POWERLEVEL9K_LOAD_SHOW_FREE_RAM true
prompt_load() {
if [[ "$OS" == "OSX" ]]; then
load_avg_5min=$(sysctl vm.loadavg | grep -o -E '[0-9]+(\.|,)[0-9]+' | head -n 1)
if [[ "$POWERLEVEL9K_LOAD_SHOW_FREE_RAM" == true ]]; then
ramfree=$(vm_stat | grep "Pages free" | grep -o -E '[0-9]+')
# Convert pages into Bytes
ramfree=$(( $ramfree * 4096 ))
base=''
fi
else
load_avg_5min=$(grep -o "[0-9.]*" /proc/loadavg | head -n 1)
if [[ "$POWERLEVEL9K_LOAD_SHOW_FREE_RAM" == true ]]; then
ramfree=$(grep -o -E "MemFree:\s+[0-9]+" /proc/meminfo | grep -o "[0-9]*")
base=K
fi
fi
# Replace comma
load_avg_5min=${load_avg_5min//,/.}
if [[ "$load_avg_5min" -gt 10 ]]; then
BACKGROUND_COLOR="red"
FUNCTION_SUFFIX="_CRITICAL"
elif [[ "$load_avg_5min" -gt 3 ]]; then
BACKGROUND_COLOR="yellow"
FUNCTION_SUFFIX="_WARNING"
else
BACKGROUND_COLOR="green"
FUNCTION_SUFFIX="_NORMAL"
fi
$1_prompt_segment "$0$FUNCTION_SUFFIX" $BACKGROUND_COLOR "$DEFAULT_COLOR" "$(print_icon 'LOAD_ICON') $load_avg_5min"
if [[ "$POWERLEVEL9K_LOAD_SHOW_FREE_RAM" == true ]]; then
echo -n "$(print_icon 'RAM_ICON') $(printSizeHumanReadable $ramfree $base) "
fi
}
# Right Status: (return code, root status, background jobs)
# This creates a status segment for the *right* prompt. Exact same thing as
# above - just other side.

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