需要 Fedora Rawhide ，用 root 執行：
dnf config-manager --add-repo https://download.opensuse.org/repositories/home:ignatenkobrain:rust/Fedora_Rawhide/home:ignatenkobrain:rust.repo
dnf install rust-git-delta
需要 Fedora 32 ，用 root 執行：
dnf config-manager --add-repo https://download.opensuse.org/repositories/home:ignatenkobrain:rust/Fedora_32/home:ignatenkobrain:rust.repo
dnf install rust-git-delta
需要 Fedora 31 ，用 root 執行：
dnf config-manager --add-repo https://download.opensuse.org/repositories/home:ignatenkobrain:rust/Fedora_31/home:ignatenkobrain:rust.repo
dnf install rust-git-delta