mirror of
https://github.com/romkatv/powerlevel10k.git
synced 2024-12-22 23:21:57 +00:00
128 lines
3.6 KiB
Bash
Executable file
128 lines
3.6 KiB
Bash
Executable file
# vim:ft=zsh ts=2 sw=2 sts=2 et fenc=utf-8
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################################################################
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# Utility functions
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# This file holds some utility-functions for
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# the powerlevel9k-ZSH-theme
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# https://github.com/bhilburn/powerlevel9k
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################################################################
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# Usage: set_default [OPTION]... NAME [VALUE]...
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#
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# Options are the same as in `typeset`.
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function set_default() {
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emulate -L zsh
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local -a flags=(-g)
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while true; do
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case $1 in
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--) shift; break;;
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-*) flags+=$1; shift;;
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*) break;
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esac
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done
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local varname=$1
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shift
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if [[ -n ${(tP)varname} ]]; then
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typeset $flags $varname
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elif [[ "$flags" == *[aA]* ]]; then
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eval "typeset ${(@q)flags} ${(q)varname}=(${(qq)@})"
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else
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typeset $flags $varname="$*"
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fi
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}
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function _p9k_g_expand() {
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(( $+parameters[$1] )) || return
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local -a ts=("${=$(typeset -p $1)}")
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shift ts
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local x
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for x in "${ts[@]}"; do
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[[ $x == -* ]] || break
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# Don't change readonly variables. Ideally, we shouldn't modify any variables at all,
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# but for now this will do.
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[[ $x == -*r* ]] && return
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done
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typeset -g $1=${(g::)${(P)1}}
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}
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typeset -g _P9K_BYTE_SUFFIX=('B' 'K' 'M' 'G' 'T' 'P' 'E' 'Z' 'Y')
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# 42 => 42B
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# 1536 => 1.5K
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function _p9k_human_readable_bytes() {
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typeset -F 2 n=$1
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local suf
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for suf in $_P9K_BYTE_SUFFIX; do
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(( n < 100 )) && break
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(( n /= 1024 ))
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done
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_P9K_RETVAL=$n$suf
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}
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# Determine if the passed segment is used in the prompt
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#
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# Pass the name of the segment to this function to test for its presence in
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# either the LEFT or RIGHT prompt arrays.
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# * $1: The segment to be tested.
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segment_in_use() {
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local key=$1
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[[ -n "${POWERLEVEL9K_LEFT_PROMPT_ELEMENTS[(r)${key}]}" ||
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-n "${POWERLEVEL9K_LEFT_PROMPT_ELEMENTS[(r)${key}_joined]}" ||
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-n "${POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS[(r)${key}]}" ||
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-n "${POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS[(r)${key}_joined]}" ]]
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}
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# Parse IP address from ifconfig on OSX and from IP on Linux
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# Parameters:
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# $1 - string The desired Interface
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# $2 - string A root prefix for testing purposes
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function p9k::parseIp() {
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local desiredInterface="${1}"
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if [[ -z "${desiredInterface}" ]]; then
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desiredInterface="^[^ ]+"
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fi
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local ROOT_PREFIX="${2}"
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if [[ "$OS" == "OSX" ]]; then
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# Get a plain list of all interfaces
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local rawInterfaces="$(${ROOT_PREFIX}/sbin/ifconfig -l 2>/dev/null)"
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# Parse into array (split by whitespace)
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local -a interfaces
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interfaces=(${=rawInterfaces})
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# Parse only relevant interface names
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local pattern="${desiredInterface}[^ ]?"
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local -a relevantInterfaces
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for rawInterface in $interfaces; do
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[[ "$rawInterface" =~ $pattern ]] && relevantInterfaces+=( $MATCH )
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done
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local newline=$'\n'
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for interfaceName in $relevantInterfaces; do
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local interface="$(${ROOT_PREFIX}/sbin/ifconfig $interfaceName 2>/dev/null)"
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if [[ "${interface}" =~ "lo[0-9]*" ]]; then
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continue
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fi
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# Check if interface is UP.
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if [[ "${interface//${newline}/}" =~ "<([^>]*)>(.*)inet[ ]+([^ ]*)" ]]; then
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local ipFound="${match[3]}"
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local -a interfaceStates=(${(s:,:)match[1]})
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if [[ "${interfaceStates[(r)UP]}" == "UP" ]]; then
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echo "${ipFound}"
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return 0
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fi
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fi
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done
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else
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local -a interfaces
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interfaces=( "${(f)$(${ROOT_PREFIX}/sbin/ip -brief -4 a show 2>/dev/null)}" )
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local pattern="^${desiredInterface}[ ]+UP[ ]+([^/ ]+)"
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for interface in "${(@)interfaces}"; do
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if [[ "$interface" =~ $pattern ]]; then
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echo "${match[1]}"
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return 0
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fi
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done
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fi
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return 1
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}
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