65 lines
1.8 KiB
EmacsLisp
65 lines
1.8 KiB
EmacsLisp
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;;; nix-search.el -- run nix commands in Emacs -*- 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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;; 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-instantiate)
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(require 'nix-shell)
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(require 'json)
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;;;###autoload
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(defun nix-search (&optional search file)
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"Run nix search.
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SEARCH a search term to use.
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FILE a Nix expression to search in."
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(interactive)
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(unless search (setq search ""))
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(unless file (nix-read-file))
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(let ((stdout (generate-new-buffer "nix search"))
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result)
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(call-process nix-executable nil (list stdout nil) nil
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"search" "--json" "-f" file search)
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(with-current-buffer stdout
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(when (eq (buffer-size) 0)
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(error "Error: nix search %s failed to produce any output" search))
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(goto-char (point-min))
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(setq result (json-read)))
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(kill-buffer stdout)
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(when (called-interactively-p 'any)
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(let ((display (generate-new-buffer "*nix search*")))
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(with-current-buffer display
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(dolist (entry result)
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(widget-insert
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(format "attr: %s\nname: %s\nversion: %s\ndescription: %s\n\n"
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(car entry)
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(alist-get 'pkgName (cdr entry))
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(alist-get 'version (cdr entry))
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(alist-get 'description (cdr entry)))))
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)
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(display-buffer display 'display-buffer-pop-up-window)))
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(kill-buffer stdout)
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result))
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(defun nix-search-read-attr (file)
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"Read from a list of attributes.
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FILE the nix file to look in."
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(let ((collection
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(sort (mapcar (lambda (x) (symbol-name (car x)))
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(nix-search "" file))
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'string<))
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(read (cond ((fboundp 'ivy-read) 'ivy-read)
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(t 'completing-read))))
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(funcall read "Attribute: " collection)))
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(provide 'nix-search)
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;;; nix-search.el ends here
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