- Show the channel URL being fetched.
- Use nix 2.3 because 2.4 broke <nix/unpack-channel.nix>.
- Support restricted mode: Allow tarball access with search paths.
- Show the channel URL being fetched.
- Use nix 2.3 because 2.4 broke <nix/unpack-channel.nix>.
- Support restricted mode: Allow tarball access with search paths.