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-rw-r--r--doc/emacs.texi4
-rw-r--r--doc/guix.texi6
-rw-r--r--emacs/guix-base.el8
-rw-r--r--emacs/guix-list.el7
-rw-r--r--emacs/guix-main.scm6
5 files changed, 28 insertions, 3 deletions
diff --git a/doc/emacs.texi b/doc/emacs.texi
index 17682c3a51..0e89a11668 100644
--- a/doc/emacs.texi
+++ b/doc/emacs.texi
@@ -268,6 +268,10 @@ Mark the current package for deletion.
Mark the current package for upgrading.
@item ^
Mark all obsolete packages for upgrading.
+@item e
+Edit the definition of the curent package (go to its location). This is
+similar to @command{guix edit} command (@pxref{Invoking guix edit}), but
+for opening a package recipe in the current Emacs instance.
@item x
Execute actions on the marked packages.
@end table
diff --git a/doc/guix.texi b/doc/guix.texi
index f9c9f2ab93..f49ffa4517 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3577,9 +3577,9 @@ launches the program specified in the @code{EDITOR} environment variable
to edit the recipe of GCC@tie{}4.8.4 and that of Vim.
If you are using Emacs, note that the Emacs user interface provides
-similar functionality in the ``package info'' buffers created by
-@kbd{M-x guix-search-by-name} and similar commands (@pxref{Emacs
-Commands}).
+similar functionality in the ``package info'' and ``package list''
+buffers created by @kbd{M-x guix-search-by-name} and similar commands
+(@pxref{Emacs Commands}).
@node Invoking guix download
diff --git a/emacs/guix-base.el b/emacs/guix-base.el
index 851ee895b9..587288eaf9 100644
--- a/emacs/guix-base.el
+++ b/emacs/guix-base.el
@@ -172,6 +172,14 @@ If PATH is relative, it is considered to be relative to
(move-to-column col)
(recenter 1))))
+(defun guix-edit-package (id)
+ "Edit (go to location of) package with ID."
+ (let ((loc (guix-eval-read (guix-make-guile-expression
+ 'package-location-string id))))
+ (if loc
+ (guix-find-location loc)
+ (message "Couldn't find package location."))))
+
;;; Buffers and auto updating.
diff --git a/emacs/guix-list.el b/emacs/guix-list.el
index 130b240c1e..26dfeacb8c 100644
--- a/emacs/guix-list.el
+++ b/emacs/guix-list.el
@@ -467,6 +467,11 @@ With prefix (if ARG is non-nil), describe entries marked with any mark."
(list (guix-list-current-id)))))
(guix-list-describe-maybe guix-entry-type ids)))
+(defun guix-list-edit-package ()
+ "Go to the location of the current package."
+ (interactive)
+ (guix-edit-package (guix-list-current-package-id)))
+
;;; Displaying packages
@@ -505,6 +510,7 @@ likely)."
:group 'guix-package-list)
(let ((map guix-package-list-mode-map))
+ (define-key map (kbd "e") 'guix-list-edit-package)
(define-key map (kbd "x") 'guix-package-list-execute)
(define-key map (kbd "i") 'guix-package-list-mark-install)
(define-key map (kbd "d") 'guix-package-list-mark-delete)
@@ -662,6 +668,7 @@ The specification is suitable for `guix-process-package-actions'."
(let ((map guix-output-list-mode-map))
(define-key map (kbd "RET") 'guix-output-list-describe)
+ (define-key map (kbd "e") 'guix-list-edit-package)
(define-key map (kbd "x") 'guix-output-list-execute)
(define-key map (kbd "i") 'guix-output-list-mark-install)
(define-key map (kbd "d") 'guix-output-list-mark-delete)
diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm
index c6e4a8259b..e0dc683d88 100644
--- a/emacs/guix-main.scm
+++ b/emacs/guix-main.scm
@@ -887,6 +887,12 @@ GENERATIONS is a list of generation numbers."
(with-store store
(delete-generations store profile generations)))
+(define (package-location-string package-id)
+ "Return a location string of a package PACKAGE-ID."
+ (and-let* ((package (package-by-id package-id))
+ (location (package-location package)))
+ (location->string location)))
+
(define (package-source-derivation->store-path derivation)
"Return a store path of the package source DERIVATION."
(match (derivation-outputs derivation)