depot/third_party/nixpkgs/nixos/doc/manual/contributing-to-this-manual.chapter.md
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Contributing to this manual

The DocBook and CommonMark sources of the NixOS manual are in the nixos/doc/manual subdirectory of the Nixpkgs repository.

You can quickly check your edits with the following:

$ cd /path/to/nixpkgs
$ ./nixos/doc/manual/md-to-db.sh
$ nix-build nixos/release.nix -A manual.x86_64-linux

If the build succeeds, the manual will be in ./result/share/doc/nixos/index.html.

Contributing to the man pages

The man pages are written in DocBook which is XML.

To see what your edits look like:

$ cd /path/to/nixpkgs
$ nix-build nixos/release.nix -A manpages.x86_64-linux

You can then read the man page you edited by running

$ man --manpath=result/share/man nixos-rebuild # Replace nixos-rebuild with the command whose manual you edited

If you're on a different architecture that's supported by NixOS (check nixos/release.nix) then replace x86_64-linux with the architecture. nix-build will complain otherwise, but should also tell you which architecture you have + the supported ones.