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authorAlex Kost <alezost@gmail.com>2016-02-07 11:08:57 +0300
committerAlex Kost <alezost@gmail.com>2016-02-10 01:31:19 +0300
commit2c04e2eec8bf250d1e928b7c8b1e60424b0b32fa (patch)
tree03e58fc32ef89d25196a3c705163a811460e1ab4 /emacs/guix-base.el
parentf1957fc145dc531b977b702d2947d84d9122042c (diff)
downloadpatches-2c04e2eec8bf250d1e928b7c8b1e60424b0b32fa.tar
patches-2c04e2eec8bf250d1e928b7c8b1e60424b0b32fa.tar.gz
emacs: 'C-u M-x guix-edit' prompts for directory.
* emacs/guix-base.el (guix-read-directory): New procedure. (guix-find-location, guix-edit): Add optional 'directory' argument. * emacs/guix-ui-package.el (guix-package-list-edit) (guix-output-list-edit): Likewise. * doc/emacs.texi (Emacs Commands): Mention "C-u".
Diffstat (limited to 'emacs/guix-base.el')
-rw-r--r--emacs/guix-base.el27
1 files changed, 20 insertions, 7 deletions
diff --git a/emacs/guix-base.el b/emacs/guix-base.el
index 9f9f258451..1248ecbce5 100644
--- a/emacs/guix-base.el
+++ b/emacs/guix-base.el
@@ -55,6 +55,14 @@
If it is not set by a user, it is set after starting Guile REPL.
This directory is used to define location of the packages.")
+(defun guix-read-directory ()
+ "Return `guix-directory' or prompt for it.
+This function is intended for using in `interactive' forms."
+ (if current-prefix-arg
+ (read-directory-name "Directory with Guix modules: "
+ guix-directory)
+ guix-directory))
+
(defun guix-set-directory ()
"Set `guix-directory' if needed."
(or guix-directory
@@ -63,17 +71,17 @@ This directory is used to define location of the packages.")
(add-hook 'guix-after-start-repl-hook 'guix-set-directory)
-(defun guix-find-location (location)
+(defun guix-find-location (location &optional directory)
"Go to LOCATION of a package.
LOCATION is a string of the form:
\"PATH:LINE:COLUMN\"
If PATH is relative, it is considered to be relative to
-`guix-directory'."
+DIRECTORY (`guix-directory' by default)."
(cl-multiple-value-bind (path line col)
(split-string location ":")
- (let ((file (expand-file-name path guix-directory))
+ (let ((file (expand-file-name path (or directory guix-directory)))
(line (string-to-number line))
(col (string-to-number col)))
(find-file file)
@@ -113,12 +121,17 @@ See `guix-packages-profile'."
(guix-packages-profile profile generation system?)))
;;;###autoload
-(defun guix-edit (id-or-name)
- "Edit (go to location of) package with ID-OR-NAME."
- (interactive (list (guix-read-package-name)))
+(defun guix-edit (id-or-name &optional directory)
+ "Edit (go to location of) package with ID-OR-NAME.
+See `guix-find-location' for the meaning of package location and
+DIRECTORY.
+Interactively, with prefix argument, prompt for DIRECTORY."
+ (interactive
+ (list (guix-read-package-name)
+ (guix-read-directory)))
(let ((loc (guix-package-location id-or-name)))
(if loc
- (guix-find-location loc)
+ (guix-find-location loc directory)
(message "Couldn't find package location."))))