# Kurulum için gerekli paket (Yoksa kurulacak)
sudo apt install curl

# Ubuntu/Debian/.../... codename
codename=$(. /etc/os-release && echo "${VERSION_CODENAME:-$UBUNTU_CODENAME}")

# GPG anahtarını ekle
curl -fsSL https://dia-dl.s3-accelerate.amazonaws.com/linux/apt/gpg.key | sudo gpg --dearmor -o /usr/share/keyrings/dia.gpg

# Repo’yu tanımla
echo "deb [signed-by=/usr/share/keyrings/dia.gpg] https://dia-dl.s3-accelerate.amazonaws.com/linux/apt ${codename} main" | sudo tee /etc/apt/sources.list.d/dia.list

# Kur
sudo apt update
sudo apt install diaapp3