mirror of
https://github.com/romkatv/powerlevel10k.git
synced 2024-11-14 09:00:07 +00:00
136 lines
3.6 KiB
Bash
136 lines
3.6 KiB
Bash
# vim:ft=zsh ts=2 sw=2 sts=2 et fenc=utf-8
|
|
################################################################
|
|
# Utility functions
|
|
# This file holds some utility-functions for
|
|
# the powerlevel9k-ZSH-theme
|
|
# https://github.com/bhilburn/powerlevel9k
|
|
################################################################
|
|
|
|
# Exits with 0 if a variable has been previously defined (even if empty)
|
|
# Takes the name of a variable that should be checked.
|
|
function defined() {
|
|
local varname="$1"
|
|
|
|
typeset -p "$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"
|
|
}
|
|
|
|
# Converts large memory values into a human-readable unit (e.g., bytes --> GB)
|
|
printSizeHumanReadable() {
|
|
typeset -F 2 size
|
|
size="$1"+0.00001
|
|
local extension
|
|
extension=('B' 'K' 'M' 'G' 'T' 'P' 'E' 'Z' 'Y')
|
|
local index=1
|
|
|
|
# if the base is not Bytes
|
|
if [[ -n $2 ]]; then
|
|
for idx in "${extension[@]}"; do
|
|
if [[ "$2" == "$idx" ]]; then
|
|
break
|
|
fi
|
|
index=$(( index + 1 ))
|
|
done
|
|
fi
|
|
|
|
while (( (size / 1024) > 0.1 )); do
|
|
size=$(( 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
|
|
}
|
|
|
|
# OS detection for the `os_icon` segment
|
|
case $(uname) in
|
|
Darwin)
|
|
OS='OSX'
|
|
OS_ICON=$(print_icon 'APPLE_ICON')
|
|
;;
|
|
FreeBSD)
|
|
OS='BSD'
|
|
OS_ICON=$(print_icon 'FREEBSD_ICON')
|
|
;;
|
|
OpenBSD)
|
|
OS='BSD'
|
|
OS_ICON=$(print_icon 'FREEBSD_ICON')
|
|
;;
|
|
DragonFly)
|
|
OS='BSD'
|
|
OS_ICON=$(print_icon 'FREEBSD_ICON')
|
|
;;
|
|
Linux)
|
|
OS='Linux'
|
|
OS_ICON=$(print_icon 'LINUX_ICON')
|
|
;;
|
|
SunOS)
|
|
OS='Solaris'
|
|
OS_ICON=$(print_icon 'SUNOS_ICON')
|
|
;;
|
|
*)
|
|
OS=''
|
|
OS_ICON=''
|
|
;;
|
|
esac
|
|
|
|
# Determine the correct sed parameter.
|
|
#
|
|
# `sed` is unfortunately not consistent across OSes when it comes to flags.
|
|
SED_EXTENDED_REGEX_PARAMETER="-r"
|
|
if [[ "$OS" == 'OSX' ]]; then
|
|
local IS_BSD_SED="$(sed --version &>> /dev/null || echo "BSD sed")"
|
|
if [[ -n "$IS_BSD_SED" ]]; then
|
|
SED_EXTENDED_REGEX_PARAMETER="-E"
|
|
fi
|
|
fi
|
|
|
|
# Print a deprecation warning if an old segment is in use.
|
|
# Takes the name of an associative array that contains the
|
|
# deprecated segments as keys, the values contain the new
|
|
# segment names.
|
|
print_deprecation_warning() {
|
|
typeset -AH raw_deprecated_segments
|
|
raw_deprecated_segments=(${(kvP@)1})
|
|
|
|
for key in ${(@k)raw_deprecated_segments}; do
|
|
if [[ -n "${POWERLEVEL9K_LEFT_PROMPT_ELEMENTS[(r)$key]}" ]] || [[ -n "${POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS[(r)$key]}" ]]; then
|
|
# segment is deprecated
|
|
print -P "%F{yellow}Warning!%f The '$key' segment is deprecated. Use '%F{blue}${raw_deprecated_segments[$key]}%f' instead. For more informations, have a look at the CHANGELOG.md."
|
|
fi
|
|
done
|
|
}
|