Suggested by Ludovic Courtès <ludo@gnu.org>.
* emacs/guix-guile.el (guix-guile-definition-regexp): New variable.
(guix-guile-current-definition, guix-guile-boolean): New functions.
* emacs/guix-devel.el: Require 'guix-base'.
(guix-devel-repl-processes): New variable.
(guix-devel-setup-repl, guix-devel-setup-repl-maybe): New functions.
(guix-devel-build-package-definition): New command.
* doc/emacs.texi (Emacs Development): Document it.
* emacs/guix-guile.el (guix-guile-current-module): New function.
* emacs/guix-devel.el: New file.
* emacs.am (ELFILES): Add it.
* doc/emacs.texi (Emacs Development): New node.
(Emacs Interface): Add it.
* doc/contributing.texi (The Perfect Setup): Mention it.
* doc/guix.texi (Top): Add it.
* emacs/guix-init.el: Add 'guix-devel-activate-mode-maybe' to
'scheme-mode-hook'.
* doc/guix.texi (Package Management): Move "Emacs Interface" node to ...
(Top): ...here, since it is not just about package management.
* doc/emacs.texi: Shift all nodes one level up (@section -> @chapter, etc.).
Rename "Emacs Usage" node into "Emacs Package Management". Move "Emacs
Configuration" node here.
* emacs/guix-base.el (guix-define-buffer-type): Move common key bindings
from here...
(guix-root-map): ... to here. New variable.
* emacs/guix-info.el (guix-info-mode-map): Use it.
* emacs/guix-list.el (guix-list-mode-map): Use it.
* doc/emacs.texi (Emacs Keymaps): Document it.
Reported by ngz on #guix.
* doc/emacs.texi (Emacs Initial Setup): Describe how to configure
"guix.el" in the case of binary installation and when Guix is not
installed.
Suggested by Ludovic Courtès <ludo@gnu.org>.
* emacs/guix-pcomplete.el: New file.
* emacs.am (ELFILES): Add it.
* doc/emacs.texi (Emacs Completions): New node.
* emacs/guix-list.el: Split 'guix-list-mark' into internal and
interactive functions. Remove "M" key binding, use "C-u m" instead.
(guix-list--mark): New function. Use it in other marking functions.
(guix-list-mark): Mark all lines with a prefix argument.
* doc/emacs.texi (Emacs List buffer): Document changes in the key
bindings.
* emacs/guix-base.el (guix-switch-to-generation): New procedure.
* emacs/guix-info.el (guix-generation-info-insert-current): Insert button for
switching to generation.
* emacs/guix-list.el (guix-generation-list-switch): New procedure.
* doc/emacs.texi (emacs List buffer, emacs Info buffer): Document switching
generations.
* doc/emacs.texi (emacs List buffer): Mention new key bindings.
* emacs/guix-base.el (guix-delete-generations): New procedure.
* emacs/guix-info.el (guix-generation-info-insert-number): Use it.
* emacs/guix-list.el (guix-generation-list-mark-delete,
guix-generation-list-execute): New procedures.
* emacs/guix-main.scm (delete-generations*): New procedure.
Use "U" to upgrade the current package, "^" to upgrade all.
* emacs/guix-list.el: (guix-list-unmark): With prefix, mark all.
(guix-package-list-mark-outputs): New procedure.
(guix-package-list-mark-install, guix-package-list-mark-delete)
(guix-package-list-mark-upgrade): Use it.
(guix-package-list-mark-upgrades): New command.
* doc/emacs.texi (emacs List buffer): Update the manual accordingly.
* configure.ac (emacsuidir): New variable.
(AC_CONFIG_FILES): Add 'emacs/guix-init.el', 'emacs/guix-helper.scm'.
* Makefile.am: Include 'emacs.am'.
* emacs.am: New file.
* doc/emacs.texi: New file.
* doc/guix.texi: Include 'emacs.texi'.
* emacs/guix-backend.el: New file.
* emacs/guix-base.el: New file.
* emacs/guix-helper.scm.in: New file.
* emacs/guix-history.el: New file.
* emacs/guix-info.el: New file.
* emacs/guix-init.el.in: New file.
* emacs/guix-list.el: New file.
* emacs/guix-main.scm: New file.
* emacs/guix-utils.el: New file.
* emacs/guix.el: New file.