patch of flake.nix,docs: add a vm app output for running the vm more conveniently, update hacking doc · round #0 · pull #288 · tangled.org/core

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docs/hacking.md

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       `nixos-shell` like so:

     

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       ```bash

     

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       QEMU_NET_OPTS="hostfwd=tcp::6000-:6000,hostfwd=tcp::2222-:22" nixos-shell --flake .#knotVM

     

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       nix run .#vm

     

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       # or nixos-shell --flake .#vm

     

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       # hit Ctrl-a + c + q to exit the VM

     

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       ```

     

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       This starts a knot on port 6000 with `ssh` exposed on port

     

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       2222. You can push repositories to this VM with this ssh

     

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       config block on your main machine:

     

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       This starts a knot on port 6000, a spindle on port 6555

     

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       with `ssh` exposed on port 2222. You can push repositories

     

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       to this VM with this ssh config block on your main machine:

     

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       ```bash

     

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       Host nixos-shell

flake.nix

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               type = "app";

     

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               program = ''${tailwind-watcher}/bin/run'';

     

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             };

     

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             vm = {

     

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               type = "app";

     

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               program = toString (pkgs.writeShellScript "vm" ''

     

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                 ${pkgs.nixos-shell}/bin/nixos-shell --flake .#vm

     

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               '');

     

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             };

     

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           });

     

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           nixosModules.appview = import ./nix/modules/appview.nix {inherit self;};