Invoice Ninja Update Script v3.0

#!/bin/bash -ue
#Invoice Ninja Self-Hosted Update
#USE AT YOUR OWN RISK
#Replace <user> and </path/to/ninja> with your specifics, obviously.

tempdir="/home/<user>/download/InvoiceNinja"
ninjahome="</path/to/ninja>"
ninjatemp="$tempdir/ninja"
ninjastore="$ninjahome/storage"

read -ep 'Enter Version Number (ex. "3.3.3"): ' ninjaver

ninjafile="ninja-v$ninjaver.zip"
ninjaurl="https://download.invoiceninja.com/$ninjafile"
ninjazip="$tempdir/$ninjafile"

wget -P "$tempdir/" "$ninjaurl"

unzip "$ninjazip" -d "$tempdir/"

sudo rsync -vtr "$ninjatemp/" "$ninjahome/"

printf '\nResetting permissions for "%s" ...\n\n' "$ninjastore"
sudo chown -R www-data:www-data "$ninjastore/"
sudo chmod -R 775 "$ninjastore/"

printf 'Removing downloaded ZIP file "%s" ...\n\nRemoving temporary folder "%s" ...\n\n' "$ninjazip" "$tempdir"
rm -rf "$tempdir/"

printf 'Invoice Ninja successfully updated to v%s!\n\n' "$ninjaver"