;;; nix-search.el -- run nix commands in Emacs -*- lexical-binding: t -*-
|
|
|
|
;; Author: Matthew Bauer <mjbauer95@gmail.com>
|
|
;; Homepage: https://github.com/NixOS/nix-mode
|
|
;; Keywords: nix
|
|
;; Version: 1.4.0
|
|
|
|
;; This file is NOT part of GNU Emacs.
|
|
|
|
;;; Commentary:
|
|
|
|
;;; Code:
|
|
|
|
(require 'nix)
|
|
(require 'nix-instantiate)
|
|
(require 'nix-shell)
|
|
(require 'json)
|
|
|
|
;;;###autoload
|
|
(defun nix-search (&optional search file)
|
|
"Run nix search.
|
|
SEARCH a search term to use.
|
|
FILE a Nix expression to search in."
|
|
(interactive)
|
|
(unless search (setq search ""))
|
|
(unless file (nix-read-file))
|
|
|
|
(let ((stdout (generate-new-buffer "nix search"))
|
|
result)
|
|
(call-process nix-executable nil (list stdout nil) nil
|
|
"search" "--json" "-f" file search)
|
|
(with-current-buffer stdout
|
|
(when (eq (buffer-size) 0)
|
|
(error "Error: nix search %s failed to produce any output" search))
|
|
(goto-char (point-min))
|
|
(setq result (json-read)))
|
|
(kill-buffer stdout)
|
|
(when (called-interactively-p 'any)
|
|
(let ((display (generate-new-buffer "*nix search*")))
|
|
(with-current-buffer display
|
|
(dolist (entry result)
|
|
(widget-insert
|
|
(format "attr: %s\nname: %s\nversion: %s\ndescription: %s\n\n"
|
|
(car entry)
|
|
(alist-get 'pkgName (cdr entry))
|
|
(alist-get 'version (cdr entry))
|
|
(alist-get 'description (cdr entry)))))
|
|
)
|
|
(display-buffer display 'display-buffer-pop-up-window)))
|
|
(kill-buffer stdout)
|
|
result))
|
|
|
|
(defun nix-search-read-attr (file)
|
|
"Read from a list of attributes.
|
|
FILE the nix file to look in."
|
|
(let ((collection
|
|
(sort (mapcar (lambda (x) (symbol-name (car x)))
|
|
(nix-search "" file))
|
|
'string<))
|
|
(read (cond ((fboundp 'ivy-read) 'ivy-read)
|
|
(t 'completing-read))))
|
|
(funcall read "Attribute: " collection)))
|
|
|
|
(provide 'nix-search)
|
|
;;; nix-search.el ends here
|