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#!/usr/bin/env bash
set -Eeuo pipefail
# Helper functions
info () { printf "%b%s%b" "\E[1;34m❯ \E[1;36m" "${1:-}" "\E[0m\n"; }
error () { printf "%b%s%b" "\E[1;31m❯ " "ERROR: ${1:-}" "\E[0m\n" >&2; }
warn () { printf "%b%s%b" "\E[1;31m❯ " "Warning: ${1:-}" "\E[0m\n" >&2; }
formatBytes() {
local result
result=$(numfmt --to=iec --suffix=B "$1" | sed -r 's/([A-Z])/ \1/' | sed 's/ B/ bytes/g;')
local unit="${result//[0-9. ]}"
result="${result//[a-zA-Z ]/}"
if [[ "${2:-}" == "up" ]]; then
if [[ "$result" == *"."* ]]; then
result="${result%%.*}"
result=$((result+1))
fi
else
if [[ "${2:-}" == "down" ]]; then
result="${result%%.*}"
fi
fi
echo "$result $unit"
return 0
}
isAlive() {
local pid="$1"
if kill -0 "$pid" 2>/dev/null; then
return 0
fi
return 1
}
pKill() {
local pid="$1"
{ kill -15 "$pid" || true; } 2>/dev/null
while isAlive "$pid"; do
sleep 0.2
done
return 0
}
fWait() {
local name="$1"
while pgrep -f -l "$name" >/dev/null; do
sleep 0.2
done
return 0
}
fKill() {
local name="$1"
{ pkill -f "$name" || true; } 2>/dev/null
fWait "$name"
return 0
}
escape () {
local s
s=${1//&/\&}
s=${s//</\<}
s=${s//>/\>}
s=${s//'"'/\"}
printf -- %s "$s"
return 0
}
html() {
local title
local body
local script
local footer
title=$(escape "$APP")
title="<title>$title</title>"
footer=$(escape "$FOOTER1")
body=$(escape "$1")
if [[ "$body" == *"..." ]]; then
body="<p class=\"loading\">${body/.../}</p>"
fi
[ -n "${2:-}" ] && script="$2" || script=""
local HTML
HTML=$(<"$TEMPLATE")
HTML="${HTML/\[1\]/$title}"
HTML="${HTML/\[2\]/$script}"
HTML="${HTML/\[3\]/$body}"
HTML="${HTML/\[4\]/$footer}"
HTML="${HTML/\[5\]/$FOOTER2}"
echo "$HTML" > "$PAGE"
echo "$body" > "$INFO"
return 0
}
cpu() {
local ret
local cpu=""
ret=$(lscpu)
if grep -qi "model name" <<< "$ret"; then
cpu=$(echo "$ret" | grep -m 1 -i 'model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/ */ /g')
fi
if [ -z "${cpu// /}" ] && grep -qi "model:" <<< "$ret"; then
cpu=$(echo "$ret" | grep -m 1 -i 'model:' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/ */ /g')
fi
cpu="${cpu// CPU/}"
cpu="${cpu// [0-9] Core}"
cpu="${cpu// [0-9][0-9] Core}"
cpu="${cpu// [0-9][0-9][0-9] Core}"
cpu="${cpu//[0-9]th Gen }"
cpu="${cpu//[0-9][0-9]th Gen }"
cpu="${cpu// Processor/}"
cpu="${cpu// Quad core/}"
cpu="${cpu// Dual core/}"
cpu="${cpu// Octa core/}"
cpu="${cpu// Hexa core/}"
cpu="${cpu// Core TM/ Core}"
cpu="${cpu// with Radeon Graphics/}"
cpu="${cpu// with Radeon Vega Graphics/}"
cpu="${cpu// with Radeon Vega Mobile Gfx/}"
cpu="${cpu// w Radeon [0-9][0-9][0-9]M Graphics/}"
[ -z "${cpu// /}" ] && cpu="Unknown"
echo "$cpu"
return 0
}
hasDisk() {
[ -b "/disk" ] && return 0
[ -b "/disk1" ] && return 0
[ -b "/dev/disk1" ] && return 0
[ -b "${DEVICE:-}" ] && return 0
[ -z "${DISK_NAME:-}" ] && DISK_NAME="data"
[ -s "$STORAGE/$DISK_NAME.img" ] && return 0
[ -s "$STORAGE/$DISK_NAME.qcow2" ] && return 0
return 1
}
return 0
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