forked from FG42/FG42
115 lines
3.3 KiB
EmacsLisp
115 lines
3.3 KiB
EmacsLisp
;;; fpkg --- a simple package manager for FG42 -*- lexical-binding: t; -*-
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;;
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;; Copyright (C) 2010-2024 Sameer Rahmani <lxsameer@gnu.org>
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;;
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;; Author: Sameer Rahmani <lxsameer@gnu.org>
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;; Keywords: lisp fg42 IDE package manager
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;; Version: 1.0.0
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;
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;;; Commentary:
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;;
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;; Simple package manager for FG42
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;;
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;;; Code:
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(require 'map)
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(eval-when-compile
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(require 'fg42/config))
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(defvar package-names ())
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(eval-when-compile
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(defvar fg42/disabled-features '())
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(require 'use-package))
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(defun inject-params (args)
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"Inject required `use-package' params to ARGS if the key is missing."
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;; (if (member :defer args)
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;; (append '(:ensure nil) args)
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(append args '(:ensure nil)))
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(defmacro fpkg/use (pkg &rest details)
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"Install the given package DETAILS PKG via `use-package' and straight."
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(declare (indent defun))
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(if (and (listp details) (< 0 (length details)))
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(let ((p (inject-params details)))
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`(use-package ,pkg ,@p))
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`(use-package ,pkg :defer t :ensure nil)))
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(defmacro use! (pkg docs &rest details)
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"Loading the given package DETAILS PKG via `use-package'.
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DOCS is the documentation of the package."
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(declare (indent defun) (doc-string 2))
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(when (not (stringp docs))
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(error "Missing docstring for '%s' package" pkg))
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(let ((disabled (member pkg fg42/disabled-features)))
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(when (null disabled)
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`(use-package ,pkg ,@details))))
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(defmacro use-with-config! (name docs &rest details)
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"A wrapper around `use!' that only activates if a config NAME is set.
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It passes NAME, DOCS, and DETAILS to `use!' only if a config with the
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same NAME is set to t."
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(declare (indent defun) (doc-string 2))
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`(with-config ,name
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(use! ,name ,docs ,@details)))
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(defun add-to-emacs-load-path (p)
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"Add the path P to Emacs's load path."
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(when (file-directory-p p)
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(add-to-list 'load-path p)))
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(defun add-emacs-vars (p)
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"Make the path P available to Emacs."
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(require 'f)
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(require 'seq)
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(seq-reduce
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(lambda (acc x)
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(when (not (member x acc))
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(when (f-glob "*.el" x)
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(cons x acc)
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(add-to-emacs-load-path x))))
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(append
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(f-directories (format "%s/share/emacs/site-lisp" p) nil t)
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(f-directories (format "%s/share/emacs/native-lisp" p) nil t))
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nil))
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(defmacro try! (pkg &rest details)
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"Try the PKG with the given DETAILS in the running session."
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(let ((flake-dir (format "%s/share/fg42" (fg42-path)))
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(cwd (getenv "PWD")))
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(cd flake-dir)
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(let* ((output (shell-command-to-string
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(format "nix build '.#%s' --no-link --print-out-paths" pkg)))
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(out (car (string-split output "\n" t))))
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(add-emacs-vars out)
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(cd cwd)
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out)))
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(provide 'fpkg)
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;;; fpkg.el ends here
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