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authorAlex Kost <alezost@gmail.com>2014-10-21 11:48:28 +0400
committerAlex Kost <alezost@gmail.com>2014-10-27 21:52:56 +0300
commit2d7bf949277a0889ced8aa486c4ef16cb7cf6b1a (patch)
treeee13c3b61f7609c9af86318bf645398562c46a14
parent17b50485a62d2120c27783e00a0a8dddd2d3db1f (diff)
downloadguix-2d7bf949277a0889ced8aa486c4ef16cb7cf6b1a.tar
guix-2d7bf949277a0889ced8aa486c4ef16cb7cf6b1a.tar.gz
emacs: Add 'guix-pull' command.
* emacs/guix-base.el (guix-pull): New command. (guix-update-after-pull, guix-after-pull-hook): New variables. (guix-restart-repl-after-pull, guix-update-buffers-maybe-after-pull): New procedures. * emacs/guix-main.scm: Use (guix scripts pull) module. * doc/emacs.texi (Emacs Commands): Document 'guix-pull' command.
-rw-r--r--doc/emacs.texi11
-rw-r--r--emacs/guix-base.el39
-rw-r--r--emacs/guix-main.scm5
3 files changed, 51 insertions, 4 deletions
diff --git a/doc/emacs.texi b/doc/emacs.texi
index 4c3833ad0b..17440e4b46 100644
--- a/doc/emacs.texi
+++ b/doc/emacs.texi
@@ -133,6 +133,17 @@ date/time prompt,,, org, Org Mode Manual}).
@end table
+You can also invoke the @command{guix pull} command (@pxref{Invoking
+guix pull}) from Emacs using:
+
+@table @kbd
+@item M-x guix-pull
+With @kbd{C-u}, make it verbose.
+@end table
+
+Once @command{guix pull} has succeeded, the Guix REPL is restared. This
+allows you to keep using the Emacs interface with the updated Guix.
+
@node Emacs General info
@subsubsection General information
diff --git a/emacs/guix-base.el b/emacs/guix-base.el
index c0a06c7303..9583d49262 100644
--- a/emacs/guix-base.el
+++ b/emacs/guix-base.el
@@ -994,6 +994,45 @@ Each element from GENERATIONS is a generation number."
'switch-to-generation profile generation)
operation-buffer)))
+
+;;; Pull
+
+(defcustom guix-update-after-pull t
+ "If non-nil, update Guix buffers after performing \\[guix-pull]."
+ :type 'boolean
+ :group 'guix)
+
+(defvar guix-after-pull-hook
+ '(guix-restart-repl-after-pull guix-update-buffers-maybe-after-pull)
+ "Hook run after successful performing `guix-pull' operation.")
+
+(defun guix-restart-repl-after-pull ()
+ "Restart Guix REPL after `guix-pull' operation."
+ (guix-repl-exit)
+ (guix-start-process-maybe
+ "Restarting Guix REPL after pull operation ..."))
+
+(defun guix-update-buffers-maybe-after-pull ()
+ "Update buffers depending on `guix-update-after-pull'."
+ (when guix-update-after-pull
+ (mapc #'guix-update-buffer
+ ;; No need to update "generation" buffers.
+ (guix-buffers '(guix-package-list-mode
+ guix-package-info-mode
+ guix-output-list-mode
+ guix-output-info-mode)))
+ (message "Guix buffers have been updated.")))
+
+;;;###autoload
+(defun guix-pull (&optional verbose)
+ "Run Guix pull operation.
+If VERBOSE is non-nil (with prefix argument), produce verbose output."
+ (interactive)
+ (let ((args (and verbose '("--verbose"))))
+ (guix-eval-in-repl
+ (apply #'guix-make-guile-expression 'guix-pull args)
+ nil 'pull)))
+
(provide 'guix-base)
;;; guix-base.el ends here
diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm
index b2f63351f0..1dd57bb71a 100644
--- a/emacs/guix-main.scm
+++ b/emacs/guix-main.scm
@@ -31,10 +31,6 @@
;; installed manifest but not in a package directory), ‘id’ parameter is
;; still "name-version" string. So ‘id’ package parameter in the code
;; below is either an object-address number or a full-name string.
-;;
-;; Important: as object addresses live only during guile session, elisp
-;; part should take care about updating information after "Guix REPL" is
-;; restarted (TODO!)
;; To speed-up the process of getting information, the following
;; auxiliary variables are used:
@@ -60,6 +56,7 @@
(guix utils)
(guix ui)
(guix scripts package)
+ (guix scripts pull)
(gnu packages))
(define-syntax-rule (first-or-false lst)