nix3-build

Build a Nix expression (downloading from the cache when possible).

Build a package from nixpkgs, symlinking the result to ./result

$ nix build [nixpkgs#pkg]

Build a package from a flake in the current directory, showing the build logs in the process

$ nix build -L [.#pkg]

Build the default package from a flake in some directory

$ nix build [./path/to/directory]

Build a package without making the result symlink, instead printing the store path to the stdout

$ nix build --no-link --print-out-paths