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path: root/bin/up.sh
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#!/bin/sh
set -eu

readonly Host='temp.causal.agency'
readonly Root='/var/www'

upload() {
	src=$1
	ext=${src##*.}
	ts=$(date +'%s')
	rand=$(openssl rand -hex 4)
	url=$(printf '%s/%x%s.%s' "$Host" "$ts" "$rand" "$ext")
	scp -q "$src" "${Host}:${Root}/${url}"
	echo "https://${url}"
}

temp() {
	temp=$(mktemp -d)
	trap 'rm -r "$temp"' EXIT
}

uploadText() {
	temp
	cat >"${temp}/input.txt"
	upload "${temp}/input.txt"
}

uploadCommand() {
	temp
	echo "$ $1" >"${temp}/exec.txt"
	$SHELL -c "$1" >>"${temp}/exec.txt" 2>&1 || true
	upload "${temp}/exec.txt"
}

uploadHilex() {
	temp
	hilex -f html -o document,tab=4 "$@" >"${temp}/hilex.html"
	upload "${temp}/hilex.html"
}

uploadScreen() {
	temp
	if command -v screencapture >/dev/null; then
		screencapture -i "$@" "${temp}/capture.png"
	else
		scrot -s "$@" "${temp}/capture.png"
	fi
	pngo "${temp}/capture.png"
	upload "${temp}/capture.png"
}

uploadTerminal() {
	temp
	cat >"${temp}/term.html" <<-EOF
	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>${1}</title>
	<style>
	$(scheme -s)
	</style>
	EOF
	ptee $SHELL -c "$1" >"${temp}/term.pty"
	shotty -Bs "${temp}/term.pty" >>"${temp}/term.html"
	upload "${temp}/term.html"
}

while getopts 'chst' opt; do
	case $opt in
		(c) fn=uploadCommand;;
		(h) fn=uploadHilex;;
		(s) fn=uploadScreen;;
		(t) fn=uploadTerminal;;
		(?) exit 1;;
	esac
done
shift $((OPTIND - 1))
[ $# -eq 0 ] && : ${fn:=uploadText}
: ${fn:=upload}

url=$($fn "$@")
printf '%s' "$url" | pbcopy || true
echo "$url"