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+;;; evil-collection-guix.el --- Evil bindings for Guix -*- lexical-binding: t -*-
+
+;; Copyright (C) 2018 Pierre Neidhardt
+
+;; Author: Pierre Neidhardt <mail@ambrevar.xyz>
+;; Maintainer: James Nguyen <james@jojojames.com>
+;; Pierre Neidhardt <mail@ambrevar.xyz>
+;; URL: https://github.com/emacs-evil/evil-collection
+;; Version: 0.0.1
+;; Package-Requires: ((emacs "26.3"))
+;; Keywords: evil, guix, tools
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;; Evil bindings for `guix'.
+
+;;; Code:
+(require 'evil-collection)
+(require 'guix nil t)
+
+(defconst evil-collection-guix-maps '(guix-output-list-mode-map
+                                      guix-package-info-mode-map
+                                      guix-profile-list-mode-map
+                                      guix-profile-info-mode-map
+                                      guix-generation-list-mode-map
+                                      guix-generation-info-mode-map
+                                      guix-license-list-mode-map
+                                      guix-license-info-mode-map
+                                      guix-location-list-mode-map
+                                      guix-hydra-build-list-mode-map
+                                      guix-hydra-build-info-mode-map
+                                      guix-build-log-mode-map
+                                      guix-service-list-mode-map))
+
+(defmacro evil-collection-guix-set (map)
+  "Set common bindings in MAP."
+  `(progn
+     (evil-collection-set-readonly-bindings ',map)
+     (evil-collection-define-key 'normal ',map
+        ;; motion
+        (kbd "SPC") 'scroll-up-command
+        (kbd "S-SPC") 'scroll-down-command
+        (kbd "<tab>") 'forward-button
+        (kbd "<backtab>") 'backward-button
+
+        "gm" 'guix-apply-manifest
+
+        ;; sort
+        "o" 'bui-list-sort
+
+        ;; filter
+        "ss" 'bui-enable-filter
+        "sd" 'bui-disable-filter
+
+        ;; mark
+        "m" 'bui-list-mark
+        "M" 'bui-list-mark-all
+        "u" 'bui-list-unmark
+        "U" 'bui-list-unmark-all
+
+        (kbd "C-o") 'bui-history-back
+        (kbd "C-i") 'bui-history-forward
+
+        "g?" 'bui-show-hint
+        "gr" 'revert-buffer
+        "gR" 'bui-redisplay
+
+        ;; repl
+        "gz" 'guix-switch-to-repl)))
+
+;;;###autoload
+(defun evil-collection-guix-setup ()
+  "Set up `evil' bindings for `guix'."
+  (evil-collection-guix-set guix-ui-map) ; Covers output-list and generation-list.
+
+  (evil-collection-define-key 'normal 'guix-output-list-mode-map
+    (kbd "RET") 'bui-list-describe
+
+    "gb" 'guix-package-list-latest-builds
+    "gG" 'guix-output-list-graph
+    "gl" 'guix-output-list-lint
+    "gs" 'guix-package-list-size
+
+    "a" 'guix-output-list-mark-upgrade
+    "A" 'guix-output-list-mark-upgrades
+    "d" 'guix-output-list-mark-delete
+    "gd" 'guix-output-list-edit
+    "i" 'guix-output-list-mark-install
+
+    ;; mark
+    "x" 'guix-output-list-execute)
+
+  (evil-collection-guix-set guix-package-info-mode-map)
+  (evil-collection-define-key 'normal 'guix-package-info-mode-map
+    "gG" 'guix-package-info-graph
+    "gl" 'guix-package-info-lint
+    "gs" 'guix-package-info-size
+
+    "a" 'guix-package-info-upgrade
+    "d" 'guix-package-info-delete
+    "gd" 'guix-package-info-edit
+    "i" 'guix-package-info-install)
+
+  (evil-collection-guix-set guix-profile-list-mode-map)
+  (evil-collection-define-key 'normal 'guix-profile-list-mode-map
+    (kbd "RET") 'bui-list-describe
+
+    "c" 'guix-profile-list-set-current ; TODO: Bind to "." as per the rationale?
+    "p" 'guix-profile-list-show-packages
+    "a" 'guix-profile-list-show-generations
+    "P" 'guix-profile-list-show-search-paths)
+
+  (evil-collection-guix-set guix-profile-info-mode-map)
+  (evil-collection-define-key 'normal 'guix-profile-info-mode-map
+    "gm" 'guix-profile-info-apply-manifest
+
+    "p" 'guix-profile-info-show-packages
+    "a" 'guix-profile-info-show-generations
+    "P" 'guix-profile-info-show-search-paths
+    "c" 'guix-profile-info-set-current)
+
+  (evil-collection-define-key 'normal 'guix-generation-list-mode-map
+    (kbd "RET") 'bui-list-describe
+
+    "p" 'guix-generation-list-show-packages
+    "D" 'guix-generation-list-mark-delete
+    "P" 'guix-generation-list-show-search-paths
+    "c" 'guix-generation-list-set-current
+    "d" 'guix-generation-list-ediff
+
+    "+" 'guix-generation-list-show-added-packages
+    "-" 'guix-generation-list-show-removed-packages
+    "=" 'guix-generation-list-diff
+
+    ;; mark
+    "x" 'guix-generation-list-execute)
+
+  (evil-collection-guix-set guix-license-list-mode-map)
+  (evil-collection-define-key 'normal 'guix-license-list-mode-map
+    (kbd "<tab>") 'forward-button       ; Why isn't this binding inhibited?
+    (kbd "RET") 'bui-list-describe
+
+    "p" 'guix-license-list-show-packages
+    "gd" 'guix-license-list-edit)
+
+  (evil-collection-guix-set guix-license-info-mode-map)
+
+  (evil-collection-guix-set guix-location-list-mode-map)
+  (evil-collection-define-key 'normal 'guix-location-list-mode-map
+    (kbd "RET") 'guix-location-list-show-packages ; In Emacs state, it seems to be overriden by `push-button'.
+
+    "p" 'guix-location-list-show-packages
+    "gd" 'guix-location-list-edit)
+
+  (evil-collection-guix-set guix-store-item-list-mode-map)
+  (evil-collection-define-key 'normal 'guix-store-item-list-mode-map
+    (kbd "RET") 'bui-list-describe
+    "d" 'guix-store-item-list-mark-delete
+    "gd" 'guix-store-item-list-edit
+    "x" 'guix-store-item-list-execute)
+
+  (evil-collection-guix-set guix-store-item-info-mode-map)
+
+  (evil-collection-guix-set guix-hydra-build-list-mode-map)
+  (evil-collection-define-key 'normal 'guix-hydra-build-list-mode-map
+    (kbd "RET") 'bui-list-describe
+
+    "gb" 'guix-hydra-build-list-latest-builds
+    "gl" 'guix-hydra-build-list-view-log)
+
+  (evil-collection-guix-set guix-hydra-build-info-mode-map)
+
+  (evil-collection-set-readonly-bindings 'guix-build-log-mode-map)
+  (evil-collection-define-key 'normal 'guix-build-log-mode-map
+    ;; motion
+    (kbd "SPC") 'scroll-up-command
+    (kbd "S-SPC") 'scroll-down-command
+    (kbd "<tab>") 'guix-build-log-phase-toggle
+    (kbd "<backtab>") 'guix-build-log-phase-toggle-all
+
+    "gk" 'guix-build-log-previous-phase
+    "gj" 'guix-build-log-next-phase
+    "[[" 'guix-build-log-previous-phase
+    "]]" 'guix-build-log-next-phase
+    (kbd "C-k") 'guix-build-log-previous-phase
+    (kbd "C-j") 'guix-build-log-next-phase
+
+    "gr" 'revert-buffer
+
+    ;; repl
+    "gz" 'guix-switch-to-repl)
+
+  (evil-collection-guix-set guix-service-list-mode-map)
+  (evil-collection-define-key 'normal 'guix-service-list-mode-map
+    (kbd "<tab>") 'forward-button
+    (kbd "RET") 'bui-list-describe
+
+    "gd" 'guix-service-list-edit)
+
+  (evil-collection-define-key 'normal 'guix-devel-mode-map
+    ;; repl
+    "gz" 'guix-switch-to-repl))
+
+(provide 'evil-collection-guix)
+;;; evil-collection-guix.el ends here