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# ------------------------------------------------------------------------------
# UTILS
# Utils for common used actions
# ------------------------------------------------------------------------------
# Check if command exists in $PATH
# USAGE:
# spaceship::exists <command>
spaceship::exists() {
command -v $1 > /dev/null 2>&1
}
# Check if function is defined
# USAGE:
# spaceship::defined <function>
spaceship::defined() {
typeset -f + "$1" &> /dev/null
}
# Check if the current directory is in a Git repository.
# USAGE:
# spaceship::is_git
spaceship::is_git() {
# See https://git.io/fp8Pa for related discussion
[[ $(command git rev-parse --is-inside-work-tree 2>/dev/null) == true ]]
}
# Check if the current directory is in a Mercurial repository.
# USAGE:
# spaceship::is_hg
spaceship::is_hg() {
local root="$(pwd -P)"
while [ "$root" ] && [ ! -d "$root/.hg" ]; do
root="${root%/*}"
done
[[ -n "$root" ]] &>/dev/null
}
# Print message backward compatibility warning
# USAGE:
# spaceship::deprecated <deprecated> [message]
spaceship::deprecated() {
[[ -n $1 ]] || return
local deprecated=$1 message=$2
local deprecated_value=${(P)deprecated} # the value of variable name $deprecated
[[ -n $deprecated_value ]] || return
print -P "%{%B%}$deprecated%{%b%} is deprecated. $message"
}
# Display seconds in human readable fromat
# Based on http://stackoverflow.com/a/32164707/3859566
# USAGE:
# spaceship::displaytime <seconds>
spaceship::displaytime() {
local T=$1
local D=$((T/60/60/24))
local H=$((T/60/60%24))
local M=$((T/60%60))
local S=$((T%60))
[[ $D > 0 ]] && printf '%dd ' $D
[[ $H > 0 ]] && printf '%dh ' $H
[[ $M > 0 ]] && printf '%dm ' $M
printf '%ds' $S
}
# Union of two or more arrays
# USAGE:
# spaceship::union [arr1[ arr2[ ...]]]
# EXAMPLE:
# $ arr1=('a' 'b' 'c')
# $ arr2=('b' 'c' 'd')
# $ arr3=('c' 'd' 'e')
# $ spaceship::union $arr1 $arr2 $arr3
# > a b c d e
spaceship::union() {
typeset -U sections=("$@")
echo $sections
}
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