292 lines
13 KiB
EmacsLisp
292 lines
13 KiB
EmacsLisp
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;;; helm-packages.el --- helm interface to manage packages -*- lexical-binding: t; -*-
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;; Copyright (C) 2012 ~ 2023 Thierry Volpiatto
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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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;; 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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;; 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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;;; Code:
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(require 'cl-lib)
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(require 'helm)
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(require 'package)
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(require 'helm-utils) ; For with-helm-display-marked-candidates.
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(defclass helm-packages-class (helm-source-in-buffer)
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((coerce :initform #'helm-symbolify)
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(find-file-target :initform #'helm-packages-quit-an-find-file)
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(filtered-candidate-transformer
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:initform
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'(helm-packages-transformer
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(lambda (candidates _source)
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(sort candidates #'helm-generic-sort-fn)))))
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"A class to define `helm-packages' sources.")
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;;; Actions
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;;
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;;
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(defun helm-packages-upgrade (_candidate)
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"Helm action for upgrading marked packages."
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(let ((mkd (helm-marked-candidates)))
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(when (and helm-current-prefix-arg
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(y-or-n-p "Refresh package contents?"))
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(package-refresh-contents))
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(with-helm-display-marked-candidates
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helm-marked-buffer-name
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(mapcar #'symbol-name mkd)
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(when (y-or-n-p (format "Upgrade %s packages? " (length mkd)))
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(mapc #'package-upgrade mkd)))))
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(defun helm-packages-describe (candidate)
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"Helm action for describing package CANDIDATE."
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(describe-package candidate))
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(defun helm-packages-visit-homepage (candidate)
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"Helm action for visiting package CANDIDATE home page."
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(let* ((id (package-get-descriptor candidate))
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(name (package-desc-name id))
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(extras (package-desc-extras id))
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(url (and (listp extras) (cdr-safe (assoc :url extras)))))
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(if (stringp url)
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(browse-url url)
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(message "Package %s has no homepage"
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(propertize (symbol-name name)
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'face 'font-lock-keyword-face)))))
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(defun helm-packages-package-reinstall (_candidate)
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"Helm action for reinstalling marked packages."
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(let ((mkd (helm-marked-candidates)))
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(when (and helm-current-prefix-arg
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(y-or-n-p "Refresh package contents?"))
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(package-refresh-contents))
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(with-helm-display-marked-candidates
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helm-marked-buffer-name
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(mapcar #'symbol-name mkd)
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(when (y-or-n-p (format "Reinstall %s packages? " (length mkd)))
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(mapc #'package-reinstall mkd)))))
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(defun helm-packages-delete-1 (packages &optional force)
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"Run `package-delete' on PACKAGES.
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If FORCE is non nil force deleting packages."
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(mapc (lambda (x)
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(package-delete (package-get-descriptor x) force))
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packages))
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(defun helm-packages-uninstall (_candidate)
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"Helm action for uninstalling marked packages.
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Unlike `helm-packages-delete' this will refuse to delete packages when they are
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needed by others packages as dependencies."
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(let ((mkd (helm-marked-candidates)))
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(with-helm-display-marked-candidates
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helm-marked-buffer-name
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(mapcar #'symbol-name mkd)
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(when (y-or-n-p (format "Uninstall %s packages? " (length mkd)))
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(helm-packages-delete-1 mkd)))))
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(defun helm-packages-delete (_candidate)
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"Helm action for deleting marked packages.
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Unlike `helm-packages-uninstall' this delete packages even when they are needed
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as dependencies."
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(let ((mkd (helm-marked-candidates)))
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(with-helm-display-marked-candidates
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helm-marked-buffer-name
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(mapcar #'symbol-name mkd)
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(when (y-or-n-p (format "Delete %s packages? " (length mkd)))
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(helm-packages-delete-1 mkd 'force)))))
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(defun helm-packages-recompile (_candidate)
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"Helm action for recompiling marked packages."
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(let ((mkd (helm-marked-candidates)))
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(with-helm-display-marked-candidates
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helm-marked-buffer-name
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(mapcar #'symbol-name mkd)
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(when (y-or-n-p (format "Recompile %s packages? " (length mkd)))
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(mapc #'package-recompile mkd)))))
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(defun helm-packages-install (_candidate)
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"Helm action for installing marked packages."
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(let ((mkd (helm-marked-candidates)))
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(when (and helm-current-prefix-arg
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(y-or-n-p "Refresh package contents?"))
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(package-refresh-contents))
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(with-helm-display-marked-candidates
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helm-marked-buffer-name
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(mapcar #'symbol-name mkd)
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(when (y-or-n-p (format "Install %s packages? " (length mkd)))
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(condition-case err
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(mapc #'package-install mkd)
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(error "%S:\n Please refresh package list before installing" err))))))
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(defun helm-packages-isolate-1 (packages)
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"Start an Emacs with only PACKAGES loaded.
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Arg PACKAGES is a list of strings."
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(let* ((name (concat "package-isolate-" (mapconcat #'identity packages "_")))
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(deps (cl-loop for p in packages
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for sym = (intern p)
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nconc (package--dependencies sym))))
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(apply #'start-process name nil
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(list (expand-file-name invocation-name invocation-directory)
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"-Q" "--debug-init"
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(format "--eval=%S"
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`(progn
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(require 'package)
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(setq package-load-list
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',(append (mapcar (lambda (p) (list (intern p) t))
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packages)
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(mapcar (lambda (p) (list p t)) deps)))
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(package-initialize)))))))
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(defun helm-packages-isolate (_candidate)
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"Start a new Emacs with only marked packages loaded."
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(let* ((mkd (helm-marked-candidates))
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(pkg-names (mapcar #'symbol-name mkd))
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(isolate (if (fboundp 'package-isolate)
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#'package-isolate
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#'helm-packages-isolate-1)))
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(with-helm-display-marked-candidates
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helm-marked-buffer-name
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pkg-names
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(when (y-or-n-p "Start a new Emacs with only package(s)? ")
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(funcall isolate pkg-names)))))
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(defun helm-packages-quit-an-find-file (source)
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"`find-file-target' function for `helm-packages'."
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(let* ((sel (helm-get-selection nil nil source))
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(pkg (package-get-descriptor (intern sel))))
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(if (and pkg (package-installed-p pkg))
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(expand-file-name (package-desc-dir pkg))
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package-user-dir)))
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;;; Transformers
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;;
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;;
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(defun helm-packages-transformer (candidates _source)
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"Transformer function for `helm-packages'."
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(cl-loop for c in candidates
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for sym = (intern-soft c)
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for archive = (assq sym package-archive-contents)
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for id = (package-get-descriptor sym)
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for provider = (and archive (package-desc-archive (cadr archive)))
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for status = (and id (package-desc-status id))
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for version = (and id (mapconcat #'number-to-string (package-desc-version id) "."))
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for description = (and id (package-desc-summary id))
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for disp = (format "%s%s%s%s%s%s%s%s%s"
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;; Package name.
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(propertize
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c
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'face (if (equal status "dependency")
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font-lock-type-face
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'font-lock-keyword-face)
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'match-part c)
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;; Separator.
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(make-string (1+ (- (helm-in-buffer-get-longest-candidate)
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(length c)))
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? )
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;; Package status.
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(propertize
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(or status "")
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'face (if (equal status "dependency")
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'bold-italic
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'default))
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;; Separator.
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(make-string (1+ (- 10 (length status))) ? )
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;; Package provider.
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(or provider "")
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;; Separator.
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(make-string (1+ (- 10 (length provider))) ? )
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;; Package version.
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(or version "")
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;; Separator.
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(make-string (1+ (- 20 (length version))) ? )
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;; Package description.
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(if description
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(propertize description 'face 'font-lock-warning-face)
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""))
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collect (cons disp c)))
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(defun helm-packages-transformer-1 (candidates _source)
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"Transformer function for `helm-packages' upgrade and delete sources."
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(cl-loop for c in candidates
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collect (cons (propertize c 'face 'font-lock-keyword-face) c)))
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;;;###autoload
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(defun helm-packages (&optional arg)
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"Helm interface to manage packages.
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With a prefix arg ARG refresh package list.
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When installing or upgrading ensure to refresh the package list
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to avoid errors with outdated packages no more availables."
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(interactive "P")
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(package-initialize)
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(when arg
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(package-refresh-contents))
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(let ((upgrades (package--upgradeable-packages))
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(removables (package--removable-packages)))
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(helm :sources (list
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(helm-make-source "Availables for upgrade" 'helm-packages-class
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:init (lambda ()
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(helm-init-candidates-in-buffer 'global upgrades))
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:filtered-candidate-transformer #'helm-packages-transformer-1
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:action '(("Upgrade package(s) (`C-u' refresh package contents)"
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. helm-packages-upgrade)))
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(helm-make-source "Packages to delete" 'helm-packages-class
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:init (lambda ()
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(helm-init-candidates-in-buffer 'global removables))
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:filtered-candidate-transformer #'helm-packages-transformer-1
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:action '(("Delete package(s)" . helm-packages-delete)))
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(helm-make-source "Installed packages" 'helm-packages-class
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:init (lambda ()
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(helm-init-candidates-in-buffer 'global
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(mapcar #'car package-alist)))
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:action '(("Describe package" . helm-packages-describe)
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("Visit homepage" . helm-packages-visit-homepage)
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("Reinstall package(s) (`C-u' refresh package contents)"
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. helm-packages-package-reinstall)
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("Recompile package(s)" . helm-packages-recompile)
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("Uninstall package(s)" . helm-packages-uninstall)
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("Isolate package(s)" . helm-packages-isolate)))
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(helm-make-source "Available external packages" 'helm-packages-class
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:data (cl-loop for p in package-archive-contents
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for sym = (car p)
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for id = (package-get-descriptor sym)
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for status = (package-desc-status id)
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unless (or (and id (member
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status
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'("installed" "dependency" "source")))
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(and id (assoc sym package--builtins)))
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nconc (list (car p)))
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:action '(("Describe package" . helm-packages-describe)
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("Visit homepage" . helm-packages-visit-homepage)
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("Install packages(s) (`C-u' refresh package contents)"
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. helm-packages-install)))
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(helm-make-source "Available built-in packages" 'helm-packages-class
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:data (cl-loop for p in package--builtins
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;; Show only builtins that are available as
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;; well on (m)elpa. Other builtins don't
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;; have a package-descriptor, the format is
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;; (sym . [version reqs summary]).
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when (package-desc-p (package-get-descriptor (car p)))
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collect (car p))
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:action '(("Describe package" . helm-packages-describe)
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("Visit homepage" . helm-packages-visit-homepage)
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("Install packages(s) (`C-u' refresh package contents)"
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. helm-packages-install))))
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:buffer "*helm packages*")))
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(provide 'helm-packages)
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;;; helm-packages ends here
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