39 lines
1.1 KiB
EmacsLisp
39 lines
1.1 KiB
EmacsLisp
;;; nix-edit.el --- Run nix commands -*- lexical-binding: t -*-
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;; Author: Matthew Bauer <mjbauer95@gmail.com>
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;; Homepage: https://github.com/NixOS/nix-mode
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;; Keywords: nix
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;; Package-Requires: ((emacs "24.3"))
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;; This file is NOT part of GNU Emacs.
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;;; Commentary:
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;;; Code:
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(require 'nix)
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(require 'nix-search)
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;;;###autoload
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(defun nix-edit (&optional file attr)
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"Open the nix log.
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FILE the nix file to load from.
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ATTR the attribute to find in nix expressions."
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(interactive (list (nix-read-file) nil))
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(unless attr (setq attr (nix-read-attr file)))
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(let ((stdout (generate-new-buffer "nix-edit"))
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(process-environment (cons "EDITOR=echo" process-environment))
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result)
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(call-process nix-executable nil (list stdout nil) nil
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"edit" "-f" file attr)
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(with-current-buffer stdout
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(when (eq (buffer-size) 0)
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(error
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"Error: nix edit failed to produce any output"))
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(setq result (substring (buffer-string) 0 (- (buffer-size) 1))))
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(kill-buffer stdout)
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(find-file result)))
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(provide 'nix-edit)
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;;; nix-edit.el ends here
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