$ sudo yunohost app install https://github.com/YunoHost-Apps/mastodon_ynh/tree/ci-auto-update-v4.2.3
DANGER! This app is not part of YunoHost's app catalog. Installing third-party apps may compromise the integrity and security of your system. You should probably NOT install it unless you know what you are
doing. NO SUPPORT will be provided if this app doesn't work or breaks your system... If you are willing to take that risk anyway, type 'Yes, I understand': Yes, I understand
Error: Could not fetch source files, is the URL correct?