139 lines
4.3 KiB
EmacsLisp
139 lines
4.3 KiB
EmacsLisp
;;; fpkg --- a simple package manager for FG42 -*- lexical-binding: t; -*-
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;;
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;; Copyright (C) 2010-2012 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 'cl-lib)
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(require 'subr-x)
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(require 'fpkg/installers)
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;; Variables ---------------------------------
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(cl-defstruct fpkg-dependency
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"Package structure for FG42."
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name
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(version "0")
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(path nil)
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(source 'elpa))
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(defvar bootstrap-version nil
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"Bootstrap version of straight. This var is used in straight's installer.")
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(defvar fpkg-packages-path
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(expand-file-name ".fpkg/" fg42-home)
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"The path to the directory which FPKG will use to store that packages.")
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(defvar fpkg-initilized-p nil
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"A boolean flag that indicates whether FPKG is initialized or not.")
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(defvar required-packages (make-hash-table)
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"A hash of `fg42-package structure representing required packages.")
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;; Functions ----------------------------------
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(defun all-dependencies-installed? ()
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"Return t if all the dependencies installed."
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(let ((result t))
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(dolist (pkg (hash-table-keys required-packages))
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(when (not (package-installed-p pkg))
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(message "'%s' package is not installed" pkg)
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(setq result nil)))
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result))
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(defun install--package (pkg)
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"Install a package via its propreate source."
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(let* ((source (fpkg-dependency-source pkg))
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(func-name (concat "install-package-via-" (symbol-name source)))
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(install-func
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(symbol-function
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(intern func-name))))
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(funcall install-func pkg)))
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(defun fpkg-initialize-old ()
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"Initilize the package.el and related stuff to be used in FG42"
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(let ((packages (hash-table-values required-packages)))
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(require 'package)
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(add-to-list 'package-archives
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'("melpa" . "http://melpa.org/packages/") t)
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(when (< emacs-major-version 24)
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;; For important compatibility libraries like cl-lib
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(add-to-list 'package-archives '("gnu" . "http://elpa.gnu.org/packages/")))
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;; Initialize package.el
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(package-initialize)
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(setq url-http-attempt-keepalives nil)
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(unless (all-dependencies-installed?)
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;; check for new packages (package versions)
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(message "%s" "Refreshing package database...")
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(package-refresh-contents)
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;; install the missing packages
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(dolist (pkg packages)
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(when (not (package-installed-p (fpkg-dependency-name pkg)))
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(install--package pkg))))))
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(defun fpkg-initialize ()
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"Initilize the straight.e package manager and setup necessary hooks."
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(let ((bootstrap-file (concat fpkg-packages-path
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"straight/repos/straight.el/bootstrap.el"))
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(bootstrap-version 5))
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(make-directory fpkg-packages-path t)
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(setq straight-base-dir fpkg-packages-path)
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(if (not (file-exists-p bootstrap-file))
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(with-current-buffer
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(url-retrieve-synchronously
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"https://raw.githubusercontent.com/raxod502/straight.el/develop/install.el"
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'silent 'inhibit-cookies)
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(goto-char (point-max))
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(eval-print-last-sexp))
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(load bootstrap-file nil 'nomessage))))
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(defun fpkg-initialize-once ()
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"Initilize FPKG only once."
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(when (not fpkg-initilized-p)
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(fpkg-initialize)))
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(defun depends-on-old (pkgname &rest args)
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"Install the given PKGNAME if it isn't installed. Ignore ARGS for now."
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(let ((pkg (apply 'make-fpkg-dependency :name pkgname args)))
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(puthash pkgname pkg required-packages)))
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(defun depends-on (pkgname)
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"Install the given PKGNAME if it isn't installed."
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(straight-use-package pkgname))
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(provide 'fpkg)
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;;; fpkg.el ends here
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