2021-04-11 23:53:27 +02:00
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;;; -*- lexical-binding: t; -*-
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2020-07-02 20:54:28 +02:00
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(defun nix-buffer-type ()
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"Returns:
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'home-manager, if the current buffer is a home-manager module
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'nixos, if the current buffer is a nixos module
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nil, if none of the above are the case"
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(when buffer-file-name
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(pcase buffer-file-name
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((rx (0+ nonl) "system/home" (0+ nonl) ".nix" eos)
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'home-manager)
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((rx (0+ nonl) "system/system" (0+ nonl) ".nix" eos)
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'nixos))))
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(defun set-nix-compile-command ()
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"Set the compile command for the current buffer based on the type of nix
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buffer it is, per `nix-buffer-type'"
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(interactive)
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(when-let ((btype (nix-buffer-type)))
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(setq-local
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compile-command
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(case btype
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('home-manager "home-manager switch")
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('nixos "sudo nixos-rebuild switch")))))
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(add-hook 'nix-mode-hook #'set-nix-compile-command)
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(map! (:map nix-mode-map
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(:n "g SPC" #'compile)))
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